| Entries |
| Document | Title | Date |
|---|
| 20080262820 | REAL-TIME PREDICTIVE SYSTEMS FOR INTELLIGENT ENERGY MONITORING AND MANAGEMENT OF ELECTRICAL POWER NETWORKS - A system for intelligent monitoring and management of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires real-time data output from the electrical system. The power analytics server is comprised of a real-time energy pricing engine, virtual system modeling engine, an analytics engine, a machine learning engine and a schematic user interface creator engine. The real-time energy pricing engine generates real-time utility power pricing data. The virtual system modeling engine generates predicted data output for the electrical system. The analytics engine monitors real-time data output and predicted data output of the electrical system. The machine learning engine stores and processes patterns observed from the real-time data output and the predicted data output to forecast an aspect of the electrical system. | 10-23-2008 |
| 20080281574 | SYSTEM AND METHOD FOR GLITCH ANALYSIS IN CIRCUITS - A system and method for analyzing power glitch in circuits includes simulating a circuit to provide waveform responses at positions of interest in the circuit. Each waveform response is processed to determine glitch power by comparing optimal energy to actual energy for the waveform. The circuit is adjusted to reduce loss due to the glitch power. | 11-13-2008 |
| 20080294414 | SYSTEM DC ANALYSIS METHODOLOGY - A computer program product is provided for power delivery analysis and design for a hierarchical system. The product includes a storage medium, readable by a processing circuit, for storing instructions for execution by the processing circuit for facilitating a method. The method includes building a model corresponding to each element of the hierarchical system, and compiling a repository that contains models corresponding to each element, where the repository includes a net list, a domain list, a component list, a pin list, and a layer list. The method also includes performing optimized gridding for each element, the net list, the domain list, the component list, the pin list, and the layer list; assembling a system model from the models contained in the repository; flattening the system model by converting the system model to a flattened system model that consists entirely of resistors; and running a simulation on the flattened system model. | 11-27-2008 |
| 20090012772 | METHOD FOR GENERATING AN ELECTRO-HYDRAULIC MODEL FOR CONTROL DESIGN - The dynamic response characteristics of an electro-hydraulic (EH) physical plant is represented by a model. The model includes a series of second order transfer functions, one for each operating point, of the EH physical plant. Command pressure, overshoot, rise time, damping coefficient, natural frequency and gain parameters are determined in developing each transfer function. The model can be used to advance the time in which the design and development of a control system for the EH physical plant can begin. | 01-08-2009 |
| 20090037162 | DATACENTER WORKLOAD MIGRATION - A method is provided for evaluating workload migration from a target computer in a datacenter. The method includes tracking the number of power cycles occurring for a plurality of computers located within the datacenter and generating power cycling information as a result of the tracking. The method further includes determining whether to power cycle the target computer based on the power cycling information. | 02-05-2009 |
| 20090063122 | REAL-TIME STABILITY INDEXING FOR INTELLIGENT ENERGY MONITORING AND MANAGEMENT OF ELECTRICAL POWER NETWORK SYSTEM - A system and method for intelligent monitoring and management of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires real-time data output from the electrical system. The power analytics server is comprised of a real-time electrical system security index engine that calculates real-time system security index values from stability indices data generated from a virtual system model of the electrical system. The client terminal displays the system security index values to assess the security and stability of the electrical system. | 03-05-2009 |
| 20090070091 | METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR THE OPTIMIZATION OF POWER SYSTEM ARCHITECTURES AT THE AIRCRAFT LEVEL DURING PRE-DESIGN - In an aircraft power system architecture, power requirements stem from functional top-level aircraft requirements and from the interrelationship among many systems. Thus, to balance power in the overall aircraft power system architecture or at least a portion of the power system architecture at the aircraft level, these interrelationships are considered. A method, system and computer program product are provided for the management of power system architectures at the aircraft level during pre-design. The designer can specify top-level aircraft parameters, and power values in all the systems of the aircraft at varying levels of complexity can be displayed. | 03-12-2009 |
| 20090076790 | System and Method for Data Processing and Transferring in a Multi Computer Environment for Energy Reporting and Forecasting - The present invention relates to the creation of a data processing and transferring in a multi computer environment for reporting, monitoring, and predicting the supply, demand, and generation of alternative energy on a global scale. The system is configured to collect past and present alternative energy generation and distribution data from a variety of distributed sources. Example of such distributed data producing sources may include any of various power installations and systems, power sources, and billing systems. The data collected from these sources is stored and contemplated in a central database unit. Based on the data contemplated in the central database unit, the system, further, makes predictions of present and future generations, supply, and demand of alternative energy at local, regional, national, and global scales. Using these predictions, the system recommends changes in the existing energy generation resources, and/or proposes deployment of new energy generation resources. | 03-19-2009 |
| 20090083019 | SYSTEMS AND METHODS FOR INTUITIVE MODELING OF COMPLEX NETWORKS IN A DIGITAL ENVIRONMENT - A system for modeling a topology of an electrical power system is disclosed. The system can include a processor, a memory, a display device, and an input device. The memory device can be coupled to the processor and configured to maintain a component database, a component control engine, and a power system topology modeling engine. The display device can be coupled to the processor and configured for displaying the topology of the electrical power system. The input device can be coupled to the processor and can be operative to select one of the plurality of power system components stored in the component database as a selected component, position the selected component within a framework, and interface the selected component with other selected components within the framework. The processor can be operative to execute instructions within the component control engine to control the position of the selected components within the framework and execute instructions within the power system topology modeling engine to render the topology of the electrical system after the selected components have been positioned. | 03-26-2009 |
| 20090099832 | SYSTEMS AND METHODS FOR AUTOMATICALLY CONVERTING CAD DRAWING FILES INTO INTELLIGENT OBJECTS WITH DATABASE CONNECTIVITY FOR THE DESIGN, ANALYSIS, AND SIMULATION OF ELECTRICAL POWER SYSTEMS - A computer system for converting a computer aided design drawing file of an electrical power system into one or more component objects for power analytic analysis and simulation, is disclosed. The computer system can include a processor, a memory, a display device, and an input device. The memory device can be coupled to the processor and configured to maintain a component classification database, an import engine, computer aided design drawing parser, and a symbol classification engine. The display device can be coupled to the processor and configured for displaying the computer aided design drawing file of the electrical power system. The processor can be operative to execute instructions within the import engine to control the import of the computer aided design drawing file to the computer, execute instructions within the computer aided design drawing parser to control the parsing of the computer aided design drawing file into at least one component object containing a component symbol and execute instructions within the symbol classification engine to control the assigning of a component classification to the component symbol. | 04-16-2009 |
| 20090125293 | Method and System for Real-Time Prediction of Power Usage for a Change to Another Performance State - A method and system for real-time prediction of power usage for a change to another performance state provides input data for power management decision-making processes or for display to system operators. The unit(s) for which power usage is predicted may be a single processor in a uni-processor system or may extend up to the level of facilities within a complex of processing facilities. The method and system gather real-time data on the power consumption of the unit(s) and create a model, such as a regression model, of power versus performance. A resulting power usage change required by a prospective nominal performance state change is shown as display data, or is transmitted to a power budgeting controller to inform the controller as to potential changes that can enhance system operation, such as managing tradeoffs of power allocated to various sub-units of a processing system. | 05-14-2009 |
| 20090177458 | SYSTEMS AND METHODS FOR SOLAR MAPPING, DETERMINING A USABLE AREA FOR SOLAR ENERGY PRODUCTION AND/OR PROVIDING SOLAR INFORMATION - A method of determining usable area of a structure for solar energy production may include obtaining a three-dimensional model of a structure and obstructions associated therewith, and performing a shading analysis using the obtained three-dimensional model to obtain a usable area of the structure. A method of providing solar information for a structure using a Web portal may include providing an interactive map, receiving a user selection of a structure located on the interactive map, and providing solar information for the selected structure, wherein the solar information is based at least in part on a usable area obtained by performing a shading analysis using a three-dimensional model of the structure and obstructions associated therewith. A system for providing an interactive Web portal may include a database including solar information regarding a structure, and a server configured to access the database to retrieve the solar information and provide the Web portal. | 07-09-2009 |
| 20090271169 | Training Simulators for Engineering Projects - Methods and systems for providing a training simulator for an engineering project are disclosed. A simulator operable to simulate the engineering project is provided. The simulator includes at least one component operable to simulate a control system that controls one or more operations associated with the engineering project. A training simulator component is incorporated into the simulator. The training simulator component is operable to facilitate the training of personnel on suitable operation of the engineering project. | 10-29-2009 |
| 20090292520 | SOLVER FOR HARDWARE BASED COMPUTING - Full-AC load flow constitutes a core computation in power system analysis. The present invention provides a performance gain with a hardware implementation of a sparse-linear solver using a Field Programmable Gate Array (FPGA). The invention also relates to the design, simulation, and hardware verification of a static transmission line model for analog power flow computation. Operational transconductance amplifiers are employed in the model based on a previously proposed DC emulation technique of power flow computation, and provide reconfigurability of transmission line parameters via transconductance gain. The invention also uses Analog Behavioral Models (ABMs) in an efficient strategy for designing analog emulation engines for large-scale power system computation. Results of PSpice simulations of these emulation circuits are compared with industrial grade numerical simulations for validation. The application is also concerned with the development of a generator model using analog circuits for load flow emulation for power system analysis to reduce computation time. The generator model includes reconfigurable parameters using operational transconductance amplifiers (OTAs). The circuit module is used with other reconfigurable circuits, i.e., transmission lines and loads. | 11-26-2009 |
| 20090313002 | METHOD AND APPARATUS FOR DESIGN OF A POWER SUPPLY - A computer-implemented method for the design of a power supply is disclosed. Multiple lists of power supply design variables are provided. The method includes simulating a first power supply design in response to power supply design variables selected from these multiple lists of variables. The method then calculates a score of the first power supply design and determines whether the score is better than the score of any power supply design included in a set of power supply designs. If so, the method replaces a power supply design having a worst score from the set of power supply designs with the first power supply design. | 12-17-2009 |
| 20090326905 | POWER TESTING APPARATUS FOR UNIVERSAL SERIAL BUS INTERFACE - A power testing apparatus for a USB interface includes first and second USB interfaces, and a simulation apparatus. The simulation apparatus includes a first voltage regulator, first and second resistors, and a load resistor. The first USB interface is configured to connect to a circuit board. The second USB interface is configured to connect to a USB device. The first voltage regulator includes input, output, and adjusting terminals. The first resistor is connected between the output terminal and the adjusting terminal. The second resistor is connected between the adjusting terminal and ground. The load resistor is connected to the output terminal and ground. Signal pins of the first USB interface are connected to signal pins of the second USB interface. A voltage pin of the first USB interface is connected to a voltage pin of the second USB interface and the input terminal. | 12-31-2009 |
| 20100023309 | METHOD FOR PREDICTING SYMMETRIC, AUTOMATED, REAL-TIME ARC FLASH ENERGY WITHIN A REAL-TIME MONITORING SYSTEM - A system for making real-time predictions about an arc flash event on an electrical system comprises a data acquisition component communicatively connected to a sensor configured to acquire real-time data output from the electrical system; an analytics server communicatively connected to the data acquisition component and comprising a virtual system modeling engine configured to generate predicted data output for the electrical system using a virtual system model of the electrical system, an analytics engine configured to monitor the real-time data output and the predicted data output of the electrical system, and an arc flash simulation engine configured to use the virtual system model updated based in the real-time data to forecast an aspect of the arc flash event. | 01-28-2010 |
| 20100030547 | SYSTEM, PROGRAM PRODUCT, AND RELATED METHODS FOR GLOBAL TARGETING OF PROCESS UTILITIES UNDER VARYING CONDITIONS - Systems, program product, and methods to optimize energy management for a site including a combined steam heat and electrical power system, is provided. A system, for example, can include a computer including memory, and energy utility modeling program product stored in the memory. The system can rigorously target, without manual iteration, for multiple utility commodity targets to include their global minimum and maximum requirements or capabilities, individually, or subject to other target objectives, due to varying process conditions. The system can also obtain the supply and demand best and worst case scenarios due to varying process conditions for a given process or cluster of processes. The system can also provide such data subject to other supply and demand objectives, and can further provide a range of commodity requirements or capabilities subject to user selected values for other commodity requirements or capabilities. | 02-04-2010 |
| 20100057428 | Method and computer system for the computer simulation of a plant or a machine - For solution of the problem of creating a possibility for a comprehensive computer simulation of a plant or machine, the invention proposes a method for the simulation of a plant or a machine by means of a computer, in particular a personal computer, which has at least two core processors, in which a simulation program for simulating at least one process of a plant or machine to be simulated is executed on at least one first core processor and a user program of a programmable logic controller for simulating a programmable logic controller of a plant or machine to be simulated is executed on at least one second core processor and, between the simulation program and the user program, input and output data are transmitted via a transparent channel. For carrying out the method, the method further proposes a computer system having at least two core processors. | 03-04-2010 |
| 20100070258 | System, Method, and Program Product for Targeting and Identification of Optimal Process Variables in Constrained Energy Recovery Systems - Systems, methods, and program product to calculate global energy utility targets and to model and determine an optimal solution for a non-thermodynamically constrained process or cluster of processes subject to non-thermodynamic constraints under all possible process changes and streams specific minimum temperature approaches, are provided. An exemplary system can utilize thermodynamic constraints exhibited in stream-specific minimum temperature approach values ΔT | 03-18-2010 |
| 20100179800 | MONITORING SYSTEM USING REAL-TIME SIMULATOR - A monitoring system using a real-time simulator, providing a simulation environment of a real electric power system that enables testing of a new electric power system control facility. The operation of the new electric power system control facility and effects thereof on a real electric power system can be evaluated before actual installation. The monitoring system includes a test piece installed in an electric power system; a simulator connected to the test piece, and deriving electric power system simulation data by simulating the electric power system with respect to the test piece; a multimedia interface (MMI) platform interworking with the simulator, providing the simulator with electric power system status data for simulating the electric power system, and receiving the electric power system simulation data from the simulator; and an MMI client interworking with the MMI platform to display the electric power system simulation data from the MMI platform. | 07-15-2010 |
| 20100217577 | PARALLEL POWER GRID ANALYSIS - A method for a power grid configured to supply current to a plurality of elements of a circuit. The method includes representing the power grid as a graph including a plurality of nodes and a plurality of edges, wherein each node of a portion of the plurality of nodes corresponds to an element of the plurality of elements each modeled as a current source, determining a characteristic matrix A of the power grid, wherein transient behavior of the power grid is represented by a set of linear equations of A*v=i, wherein v is a nodal voltage vector representing nodal voltages of at least a portion of the plurality of nodes and i is a current source vector representing currents supplied to at least a portion of the plurality of elements, identifying first and second partitions of the power grid based on a predetermined criterion, identifying first and second current source subvectors of the current source vector according to the first and second partitions of the power grid, identifying a first shell of the first partition based on worst case nodal voltage sensitivity analysis with respect to the first current source subvector, identifying a second shell of the second partition based on worst case nodal voltage sensitivity analysis with respect to the second current source subvector, and generating an analysis result of transient behavior of the power grid by analyzing, concurrently and independently, the first and second shells of the first and second partitions of the power grid, respectively. | 08-26-2010 |
| 20100280815 | CIRCUIT AND METHOD FOR TESTING ELECTRICALLY CONTROLLABLE POWER SWITCHES FOR ACTIVATING OCCUPANT PROTECTION MEANS - A circuit and a method for testing electrically controllable power switches for activating occupant protection means are proposed. A triggering element for the testing is simulated in that a resistance of this simulation is changed for each of the consecutive time blocks by activating the simulation. | 11-04-2010 |
| 20100280816 | MODELLING A POWER PRODUCTION NETWORK FOR DISTRIBUTING THE LOAD - The modelling arrangement of the configuration situation of the electric power transmission network according to the invention comprises a modelling element ( | 11-04-2010 |
| 20100318343 | SMART DATA ACCESS LAYER FOR SUPERVISORY INFORMATION SYSTEM - One embodiment of the application provides a method and system for selecting a template characterizing a power plant from a template base, the template base including a plurality of templates and creating a power plant model of the power plant using the first template, the power plant model including a plurality of modules arranged in a hierarchical tree array having at least one tree branch, wherein each of the plurality of modules includes a plurality of attributes of the power plant that are arranged to be accessed by a data access layer using a tag name which includes names of ancestor modules in the tree branch. Additionally, the method and system also provides for mapping the plurality of attributes to specific applications of the power plant using the data access layer and configuring the power plant with the plurality of attributes using the data access layer. | 12-16-2010 |
| 20110010158 | SOFTWARE MODELING SYSTEMS FOR METERING AND TRANSLATING MEASUREMENTS - Systems and methods are provided for collecting and aggregating a plurality of power flow measurements from a plurality of devices in a power management system. The error bounds of the aggregated power flow measurement are then determined using at least one error model. Systems and methods are also provided for inferring AC power flows from DC power flows. A device having at least one DC power flow sensor is augmented with at least one AC power flow sensor AC and DC power flows through the device are measured using the sensors over a range of operating points. An inference model of AC power flow in the device as a function of DC power flow is then built, wherein the error of the model is bounded. DC power flow through the device and in similar devices can then be then measured and used to infer AC power flow for the device. | 01-13-2011 |
| 20110040550 | ENERGY RESOURCE ALLOCATION INCLUDING RENEWABLE ENERGY SOURCES - A computer implemented method includes providing information related to wind speed and direction prediction to a wind turbine energy prediction module, providing wind energy production prediction information to a resource allocation engine, and combining the wind energy production prediction information with information about non-renewable energy resources to provide an output identifying energy production resources to use for optimal load servicing. | 02-17-2011 |
| 20110060582 | Diversity and Defense-In-Depth Simulation Apparatus - A simulator system transfers parameters between a power plant simulator and a safety control simulator. Problems concerning software common mode failure, interface interactions errors, software failure complexity, and so on, are evaluated. Thus, diversity and defense-in-depth are analyzed and safety is improved. | 03-10-2011 |
| 20110213606 | APPARATUS, METHODS AND SYSTEMS FOR PARALLEL POWER FLOW CALCULATION AND POWER SYSTEM SIMULATION - According to one aspect, an apparatus for computing a solution to a power flow problem for an electrical power system comprising a plurality of buses. The apparatus includes (a) at least one processor comprising a plurality of cores; and (b) memory coupled to the at least one processor for storing an admittance matrix for the power system, real power and reactive power for each bus, and an initial complex voltage for each bus; (c) wherein the at least one processor is configured to: (i) perform a Jacobi power flow calculation for each bus to determine the complex voltage for each bus, the Jacobi power flow calculation using the admittance matrix, the real power and reactive power for each bus, and the initial complex voltage for each bus as inputs, wherein at least two Jacobi power flow calculations are performed concurrently on the plurality of cores; (ii) calculate a power mismatch at each bus based on the complex voltages; and (iii) determine whether the Jacobi power flow calculations have converged based on the power mismatch and repeat (i) to (iii) if the Jacobi power flow calculations have not converged. | 09-01-2011 |
| 20110224966 | SYSTEM AND METHOD FOR EVALUATING NUCLEAR REACTOR FUELING PLAN - A nuclear reactor fueling plan evaluating system and method in which reactor shutdown margin evaluation are performed quickly and accurately. A fueling procedure formulating part and an input setting part having databases are included. A maximum worth control rod candidate selecting part having a control rod worth calculating means which inputs fuel loading and control rod patterns of each fueling act, inputs a relatively simple second physics model, calculates control rod worth from the difference between the degree of subcriticality of a reactor core in a state that all control rods are inserted and the degree of subcriticality of the reactor core in a state that a single control rod is withdrawn for each fueling step, and selects a determined number of maximum worth control rod candidates. A reactor shutdown margin calculating part inputs a subdivided first physics model and calculates reactor shutdown margin for each maximum worth control rod candidate. | 09-15-2011 |
| 20110257956 | Modeling and Simulation of Power Environments - In certain embodiments, a system includes one or more memory modules and one or more processing units. The one or more processing units access configuration parameters for configuring models that are operable to simulate operation of a power environment. A first subset of the models models power environment elements of the power environment. A second subset of the models models one or more external information sources, including an environmental source providing environmental data. The one or more processing units initiate configuration of the models according to the configuration parameters, resulting in configured models, and access operating parameters indicating operating conditions for the models to simulate. The one or more processing units initiate execution by the configured models of a simulation of the power environment according to the operating parameters. The configured models interact to execute the simulation. The simulation indicates how the simulated power environment behaves according to the operating parameters. | 10-20-2011 |
| 20110295585 | OPTIMAL SELF-MAINTAINED ENERGY MANAGEMENT SYSTEM AND USE - The present invention provides novel techniques for controlling energy systems. In particular, parametric hybrid models may be used to parameterize inputs and outputs of groups of equipment of energy systems. Each parametric hybrid model may include an empirical model, a parameter model, and a dynamic model. Critical parameters for groups of equipment modeled by the parametric hybrid models, which are correlated with, but not the same as, input and output variables of the groups of equipment may be monitored during operation of the energy system. The critical parameters may be used to generate optimal trajectories for the energy system, which may be used to control the energy system. | 12-01-2011 |
| 20120029897 | DYNAMIC DISTRIBUTED POWER GRID CONTROL SYSTEM - A control system for a distributed power grid includes a simulation module operative to directly interface with operational control of distributed energy resources (DER) to develop and when necessary dynamically modify control inputs of the distributed power grid. By conducting a decentralized and distributed simulation of DER topology (components and their surrounding infrastructure) each distributed control module can simulate control response characteristics of a plurality of DER to determine a control methodology necessary to achieve a desired target. Once developed the same control inputs can be directly applied to physical DER and thereafter monitored to validate performance. Once validated, operational control of the DER is established while ongoing modifications of the control inputs continues in parallel to maintain desired performance. | 02-02-2012 |
| 20120046932 | METHODS AND SYSTEMS FOR ADAPTIVE CONTROL - A system includes a power supply model component and a disturbance estimating component. The power supply model component receives an estimated disturbance. The disturbance estimating component provides said estimated disturbance from a difference between a sensed output of a power supply and an estimated output from said power supply model component. | 02-23-2012 |
| 20120089384 | HISTORIC STORAGE OF DUAL LAYER POWER GRID CONNECTIVITY MODEL - A power grid model system, method and computer program product which includes a switching state processor, a topological processor, an equipment update processor, and a historic power grid model for a power grid. The historic power grid model has an equipment layer and a topology layer. Responsive to a switch operated in a power grid, the switching state processor is notified of the operated switch, notifies the topological processor of the operated switch and notifies the power grid model for updating of the historic power grid model; and the topological processor determines the extent of the update of the power grid model, parses through details of the equipment layer and updates the topology layer in the power grid model. Responsive to an equipment update to the power grid, the equipment update processor is notified, updates the historic power grid model and notifies the topological processor of the equipment update; and the topological processor determines the extent of the update in the historic power grid model, parses through details of the equipment layer and updates the topology layer in the historic power grid model. | 04-12-2012 |
| 20120109618 | ACCIDENT PARAMETER IDENTIFICATION METHOD FOR SEVERE ACCIDENTS - The present invention discloses an accident parameter identification method, combining optimization algorithm and severe accident analysis software, for severe accidents. The optimization algorithm and severe accident analysis software are compiled into individual applications. The process for parameter identification is decided by the optimization algorithm. The actual accident parameter can be obtained by minimizing the difference between the calculations and the actual signals in the nuclear power plant. | 05-03-2012 |
| 20120116745 | Electric Vehicle Simulator and Analyzer (EVSA) for Electric Vehicle Supply Equipment - Embodiments pertain to simulator circuitry, particularly to simulator circuitry configured to simulate an electric vehicle and test an electric vehicle charger. A test unit is configured to simulate a GFI current via modulator and to simulate electric vehicle loads via switched and combined resistor loads. The test unit provides for reprogramming of the electric vehicle charger via a pilot line. The test unit self-confirms its usability via associating received codes. | 05-10-2012 |
| 20120136643 | SYSTEMS AND METHODS FOR GLOBAL VOLTAGE SECURITY ASSESSMENT IN POWER SYSTEMS - Systems and methods for global voltage security assessment in power systems are disclosed herein. In one embodiment, a method for assessing voltage security in a power system having a number (i) of buses includes capturing a change in bus voltage and a change in line reactive power for at least some of the buses in the power system, for each of the i number of buses, calculating a voltage assessment index) (Γ | 05-31-2012 |
| 20120143585 | SYSTEM AND METHOD FOR SENSING BATTERY CAPACITY - One embodiment of the invention includes a battery sense system. The system includes a temperature sensor configured to measure a temperature of a battery and a memory configured to store predetermined data associated with steady-state and transient behaviors of the battery relative to a depth of discharge (DOD) of the battery. The system also includes a controller configured to measure a voltage of the battery and to calculate a state of charge (SOC) of the battery based on the voltage, the predetermined data, and the temperature. | 06-07-2012 |
| 20120150524 | FAULT-RIDE-THROUGH METHOD, CONVERTER AND POWER GENERATING UNIT FOR A WIND TURBINE - A fault-ride-through method is provided. The method includes detecting a voltage dip on a power line transmitting electric power. If a voltage dip is detected, the method includes reducing an active current and/or an active power to a specific value, which active current and/or active power is fed by a power generating unit at a feeding point into a power network having a plurality of power lines. Further, a converter of a power generating unit is provided, that is capable of implementing the fault-ride-through method. The power generating unit may be a part of a wind turbine in a wind farm. | 06-14-2012 |
| 20120158393 | METHOD FOR PLACING THERMOELECTRIC GENERATORS IN TECHNICAL INSTALLATIONS - A method and system for placing thermoelectric generators in technical installations, wherein an installation model is created from interacting mechatronic objects, comprising type-specific and installation-specific thermodynamic prior and subsequent conditions, and a respective thermal energy difference between the mechatronic objects is taken as a basis for determining possible locations of use for thermoelectric generators in the installation. | 06-21-2012 |
| 20120191439 | SYSTEMS AND METHODS FOR AUTOMATED MODEL-BASED REAL-TIME SIMULATION OF A MICROGRID FOR MARKET-BASED ELECTRIC POWER SYSTEM OPTIMIZATION - Systems and methods for real-time modeling of a microgrid. In an embodiment, real-time data is acquired from a microgrid. Predicted data for the microgrid is generated using a first virtual system model of the microgrid, which comprises a virtual representation of energy sources within the microgrid. The real-time data and the predicted data are monitored, and a calibration and synchronization operation is initiated to update the first virtual system model in real-time when a difference between the real-time data and the predicted data exceeds a threshold. Parameters of the first virtual system model can be modified to create a second virtual system model, and aspects can be forecasted for the microgrid operating under the modified parameters of the second virtual system model. In a further embodiment, market price information can be received, and optimization solutions can be generated based on the market price information. | 07-26-2012 |
| 20120191440 | SYSTEMS AND METHODS FOR REAL-TIME DC MICROGRID POWER ANALYTICS FOR MISSION-CRITICAL POWER SYSTEMS - Systems and methods for performing power analytics on a microgrid. In an embodiment, predicted data is generated for the microgrid utilizing a virtual system model of the microgrid, which comprises a virtual representation of a topology of the microgrid. Real-time data is received via a portal from at least one external data source. If the difference between the real-time data and the predicted data exceeds a threshold, a calibration and synchronization operation is initiated to update the virtual system model in real-time. Power analytics may be performed on the virtual system model to generate analytical data, which can be returned via the portal. | 07-26-2012 |
| 20120215517 | Method for Determining and/or Predicting the Maximum Power Capacity of a Battery - A method determines and/or predicts a maximum power capacity of a battery by using a model of the battery based on an electric equivalent circuit diagram that predicts the maximum power capacity of the battery. The maximum power of the battery is prognosticated for a defined prognosis period and for the different operating modes with respect to the charging or discharging operation, considering the maximum allowable operating voltage and the maximum allowable operating current. | 08-23-2012 |
| 20120239373 | METHOD AND A SYSTEM FOR SIMULATION IN A SUBSTATION - A method and a system are disclosed for simulation in a substation. The method can include acquiring substation data from substation condition data and base substation record; adapting the acquired substation data to suit a target substation; and administering the adapted substation data on a communication channel of the target substation. The substation system can include a base substation which is an existing, a pre existing, or a target substation, or a substation defined by a user or any combination thereof; a substation automation system; test equipment configured to test the system and perform simulation in a target substation; and a human machine interface for interfacing the substation system with a user. | 09-20-2012 |
| 20120253777 | Method for Determining and/or Predicting the High Current Carrying Capacity of a Battery - A method is provided for determining and/or predicting the high current carrying capacity of a battery, wherein the parameters of a model of the battery impedance are used as a basis, and from which the high current carrying capacity of the battery is determined. Different parameters are used as the basis for the charging and discharging processes. | 10-04-2012 |
| 20120259611 | SYSTEM AND METHOD FOR GENERATION OF CIM-BASED POWER SYSTEM CIRCUIT MODELS - Systems and methods for generating common information model (CIM) based circuit models of power systems to be used as a testing framework for power system software applications are disclosed. Valid CIM-based circuit models can be constructed from simplified circuit definitions. In a particular implementation, unspecified CIM objects required by the CIM model that are not essential for the testing purposes of an individual circuit, such as terminals, line segments, connectivity nodes, and other CIM objects, are generated automatically and are not required in the circuit specifications. | 10-11-2012 |
| 20120303350 | ANALYSIS METHOD FOR TURBINE-GENERATOR TORSIONAL VIBRATIONS AFFECTED BY POWER TRANSMISSION SYSTEM - An analysis method for turbine-generator torsional vibrations affected by power transmission system, which is processed by a computer system with a simulation software, is proposed. This analysis method comprises: building structures of a first system model and a second system model to respectively simulate a first system and a second system; building detailed models of the first and second system model; and analyzing the detailed models of the first and second system model in frequency- and time-domain. | 11-29-2012 |
| 20120303351 | SYSTEM FOR OPTIMIZING THE OPERATION OF SOLAR THERMAL ELECTRIC PLANTS - A system is for optimizing the operation of solar plants | 11-29-2012 |
| 20130006600 | Transmission Evaluation - Disclosed are various embodiments for transmission evaluation. In one embodiment, among others, a method includes evaluating a plurality of contingencies to generate a plurality of contingency results, where at least one of the contingency results includes an overload condition. The evaluation is based at least in part upon a case associated with a transmission network. The method further includes sorting the plurality of contingency results based upon corresponding overload-contingency pairs and determining a potential remediation solution to the overload condition based at least in part upon the overload-contingency pair. In another embodiment, a system includes a transmission evaluation application executed in a computing device. The application includes logic that obtains a plurality of contingency evaluation results including an overload condition, determines at least one potential remediation solution to the overload condition, updates the case to include the potential remediation solution, and generates a second plurality of contingency evaluation results. | 01-03-2013 |
| 20130013282 | APPARATUS, METHOD AND PROGRAM FOR MONITORING NUCLEAR THERMAL HYDRAULIC STABILITY OF NUCLEAR REACTOR - An apparatus for monitoring nuclear thermal hydraulic stability of a nuclear reactor, contains: a calculation unit configured to calculate a stability index of a nuclear thermal hydraulic phenomenon based on nuclear instrumentation signals, the signals being outputted by a plurality of nuclear instrumentation detectors placed at regular intervals in a reactor core; a simulation unit configured to simulate the nuclear thermal hydraulic phenomenon based on a physical model by using information on an operating state of the nuclear reactor as an input condition; a limit value updating unit configured to update a limit value of the nuclear thermal hydraulic phenomenon based on a result of the simulation; and a determination unit configured to determine, based on the stability index and the limit value, whether or not to activate a power oscillation suppressing device. | 01-10-2013 |
| 20130024179 | MODEL-BASED APPROACH FOR PERSONALIZED EQUIPMENT DEGRADATION FORECASTING - A system, in one embodiment, provides means for acquired measurements of one or more operating parameters of a turbine engine. The system further includes means for determining an estimated value of a performance parameter of interest at a current time based at least partially upon the acquired measurements, means for adjusting a deterioration model at the current time based on a historical set of estimated values from previous times, and means for forecasting performance changes in the turbine engine based on the adjusted deterioration model. | 01-24-2013 |
| 20130030784 | RENEWABLE ENERGY CONFIGURATOR - Embodiments for determining an optimal configuration for a renewable energy power plant are provided. The power plant, which may be a virtual power plant, includes one or more generator devices and one or more energy storage devices that may be operated to undertake one or more operating applications. Data indicative of the power output of the power plant and the voltage level at the energy storage system connection point is received as an input. Using this data, combinations of energy storage devices and operating applications stored on a database are processed and, for each energy storage and operating application pair, a value indicative of the profitability of undertaking the operating application is determined. These values are used to rank the combinations of energy storage devices and operating applications according to their profitability, which in turn is used to select the most efficient or profitable application/energy storage pair. | 01-31-2013 |
| 20130060552 | Network Element Consolidation for Rapid Discrete Network Simulations - Systems and methods are provided for modeling and simulating a communication network operating under at least one communication protocol, which supports a Smart Grid electricity network. Communication performance data of the communication network are generated by a processor based on operating behavior of the Smart Grid with a plurality of assets under a first condition. Devices in the Smart grid are grouped in bins for rapid modeling. One or more different configurations of the communication network are entered into the processor and related performance data is also generated. Network configurations are compared based on the generated performance data which may include end-to-end delay and reception rate. Processor based systems to perform modeling methods are also provided. | 03-07-2013 |
| 20130060553 | SMART GRID COMMUNICATION ASSESSMENT AND CO-SIMULATION TOOL - Systems and methods are provided for modeling and simulating a communication network operating under at least one communication protocol, which supports a Smart Grid electricity network. Communication performance data of the communication network are generated by a processor based on operating behavior of the Smart Grid with a plurality of assets under a first condition. Devices in the Smart grid are grouped in bins for rapid modeling. One or more different configurations of the communication network are entered into the processor and related performance data is also generated. Network configurations are compared based on the generated performance data which may include end-to-end delay and reception rate. Processor based systems to perform modeling methods are also provided. | 03-07-2013 |
| 20130060554 | Network Traffic Profile Aggregation for Efficient Discrete Event Smart Grid Network Simulations - Systems and methods are provided for modeling and simulating a communication network operating under at least one communication protocol, which supports a Smart Grid electricity network. Communication performance data of the communication network are generated by a processor based on operating behavior of the Smart Grid with a plurality of assets under a first condition. Devices in the Smart grid are grouped in bins for rapid modeling. One or more different configurations of the communication network are entered into the processor and related performance data is also generated. Network configurations are compared based on the generated performance data which may include end-to-end delay and reception rate. Processor based systems to perform modeling methods are also provided. | 03-07-2013 |
| 20130080138 | SYSTEMS AND METHODS FOR MICROGRIDS AVAILABILITY EVALUATION USING A MARKOV CHAIN ENERGY STORAGE MODEL - Systems and methods are disclosed for availability evaluation of microgrid systems with an energy storage device by applying a Markov chain model to model charging and discharging processes in the energy storage device; determining an effect of the energy storage device connected to a microgrid with multiple energy sources and loads; and determining effect of system architectures on the availability of microgrids using minimum cut sets (MCS). | 03-28-2013 |
| 20130103378 | ELECTRICITY DEMAND PREDICTION - Various arrangements for anticipating an electrical load are presented. A plurality of indications of locations of a vehicle may be received. A travel pattern of the vehicle based on the plurality of indications of locations of the vehicle may be determined. The travel pattern may indicate a destination and an expected travel time to arrive at the destination. A current location of the vehicle may be received. At least partially based on the current location of the vehicle, whether the vehicle is expected to conform to the travel pattern may be determined. An anticipated electrical load at the destination may be determined at least partially based on the travel pattern. | 04-25-2013 |
| 20130117004 | ELECTRICAL POWER PROFILE SIMULATOR - A system and methods to simulate a power profile of an electrical system are disclosed. A combination of electrical devices operable to be electrically coupled to a common power source is virtually assembled, and empirically derived dynamic power requirements associated with each of the electrical devices are modeled. Power profiles for at least one electrical system configuration comprising the combination of electrical devices are generated using the empirically derived dynamic power requirements. | 05-09-2013 |
| 20130151227 | APPARATUS FOR SIMULATING BATTERY SYSTEM - A battery system simulation apparatus that enables a battery system to be stably driven by using simulation data. The battery system simulation apparatus includes a voltage simulator that outputs an imaginary simulation voltage corresponding to a battery included in a battery system, to a battery management unit for controlling the battery, and a simulation verification unit that receives control results of the battery which is generated in dependence upon the imaginary simulation voltage. The control results are transmitted by the battery management unit. | 06-13-2013 |
| 20130151228 | POWER CONSUMPTION PREDICTION METHOD FOR CLOCK GATING INTEGRATED CIRCUIT DEVICES - A power consumption prediction method for an integrated circuit device is provided. The power consumption prediction method includes detecting a clock gating cell of the integrated circuit device to extract clock gating domains of the integrated circuit device, extracting a power consumption model of the integrated circuit device according to clock gating based on the extracted clock gating domains, and estimating power consumption of the integrated circuit device based on the extracted power consumption model. | 06-13-2013 |
| 20130166270 | METHOD OF SUBSTATION-CONTROL CENTER TWO-LEVEL DISTRIBUTED MODELING FOR POWER GRID - A method of substation-control center two-level distributed modeling for power grid is provided. The method comprises: (1) building a substation model for each of substations, each substation model comprising a network model having a topological structure of the substation devices, parameters of the substation devices and measurement information of each substation devices, and a wiring diagram of each substation based on a whole line identification consistency; (2) uploading each substation model for each of the substations to the control center through a state power dispatching data network; and (3) splicing network models for the substations according to the wiring diagrams of the substations to build a whole power grid model of a whole power grid so as to monitor and control the whole power grid. | 06-27-2013 |
| 20130179143 | METHOD FOR MODELING A REPAIR IN AN ELECTRIC GRID - This disclosure describes methods for use with energy management systems that electric utilities use to manage power distribution networks. The methods can account for changes in phase value that dynamic cross-phasing causes in the power distribution network. In one embodiment, the methods facilitate computer-based modeling of the power distribution network to include such changes in phase value into a connectivity model, which provides a schematic representation of the power distribution network. | 07-11-2013 |
| 20130218548 | VIRTUALIZATION, OPTIMIZATION AND ADAPTATION OF DYNAMIC DEMAND RESPONSE IN A RENEWABLE ENERGY-BASED ELECTRICITY GRID INFRASTRUCTURE - In a renewable energy-based electricity grid infrastructure, distributed data analytics enable modeling and delivery of an appropriate, time-sensitive, dynamic demand response from multiple renewable energy resource components to an intelligent power distribution network. Distributed data analytics also enable the electricity grid infrastructure to virtually, optimally and adaptively make decisions about power production, distribution, and consumption so that a demand response is a dynamic reaction across the electricity grid infrastructure in a distributed energy generation from multiple renewable energy resources responsive to various types of grid demand situations, such as customer demand, direct current-specific demand, and security issues, and so that power production is substantially balanced with power consumption. | 08-22-2013 |
| 20130253898 | SYSTEMS AND METHODS FOR MODEL-DRIVEN DEMAND RESPONSE - A system and method for providing real-time modeling of an electrical power system for demand response. In an embodiment, real-time data is acquired from an electrical power system. Predicted data is generated for the electrical power system utilizing a virtual system model of the electrical power system. If a difference between the real-time data and predicted data exceeds a threshold, a calibration and synchronization operation is initiated to update the virtual system model to provide predicted data that is consistent with the real-time data. In addition, patterns observed from the real-time data and predicted data may be processed, and an aspect of the electrical power system can be forecasted. The forecasted aspect may then be provided to a demand response market system. | 09-26-2013 |
| 20130282353 | CELL MODELING - An arrangement provides simulation of important battery factors such as state of charge or state of health, and the estimates are provided to the human user in ways that permit the human user to make better use of the battery, for example in an electric car. The arrangement uses modeling elements that communicate with each other by means of an analog bus. Some lines on the analog bus are voltages that are intended to be inputs to the simulation or actual measured values from a physical system. Other lines, importantly, are “voltages” that are intended to communicate characteristics of interest such as open-circuit voltage of a cell. Still other lines may be “voltages” that merely pass messages between modeling elements, the voltages not necessarily representing any real-life measurable such as the afore-mentioned temperature value. | 10-24-2013 |
| 20130297280 | Verification of Design Derived From Power Intent - An approach is provided in which a power design verification system retrieves a power intent data corresponding to a power design, which identifies the power design's power modes and power mode transition conditions. The power design verification system selects one of the power mode transition conditions, which identifies input signals that invoke a transition from a first power mode to a second power mode. In turn, the power design verification system generates simulation stimuli based upon the identified input signals and simulates the power design utilizing the generated simulation stimuli accordingly. | 11-07-2013 |
| 20130311161 | METHOD AND APPARATUS FOR PERFORMING REAL-TIME, IN-THE-FIELD SWITCHING-ORDER SIMULATION FOR AN ELECTRIC POWER SYSTEM - One embodiment of the present invention provides a system for performing a real-time, in-the-field switching-sequence simulation for a power system that includes a plurality of switching devices. During operation, the system receives, at a hand-held device, topology information associated with the power system, a set of user-definable rules, and a request to perform an operation on a switching device in the power system. In response to the request, the system identifies the switching device from the plurality of switching devices, obtains instant status information associated with the plurality of switching devices, and runs a simulation based on the topology information, the user-definable rules, the status information, and the identified switch device. The system determines whether the operation is allowed based on an outcome of the simulation. | 11-21-2013 |
| 20130311162 | METHOD FOR PREDICTING SYMMETRIC, AUTOMATED, REAL-TIME ARC FLASH ENERGY WITHIN A REAL-TIME MONITORING SYSTEM - A system for making real-time predictions about an arc flash event on an electrical system comprises a data acquisition component communicatively connected to a sensor configured to acquire real-time data output from the electrical system; an analytics server communicatively connected to the data acquisition component and comprising a virtual system modeling engine configured to generate predicted data output for the electrical system using a virtual system model of the electrical system, an analytics engine configured to monitor the real-time data output and the predicted data output of the electrical system, and an arc flash simulation engine configured to use the virtual system model updated based in the real-time data to forecast an aspect of the arc flash event. | 11-21-2013 |
| 20130346057 | METHODS AND SYSTEMS FOR POWER RESTORATION PLANNING - In at least some embodiments, a computer system includes a processor and a storage device coupled to the processor. The storage device stores a program that, when executed, causes the processor to simulate restoration of a power grid system and to generate a restoration plan for the power grid system based on the simulation. | 12-26-2013 |
| 20140019111 | METHOD AND APPARATUS FOR PERFORMING BATTERY CELL CONTROL WITH AID OF VIRTUAL BATTERY MECHANISM - A method for performing battery cell control with aid of virtual battery mechanism is provided. The method is applied to a power supply device. The method includes the steps of: generating a virtual total output voltage level according to a total output voltage level of a set of battery cells connected in series within the power supply device, where the virtual total output voltage level simulates an output voltage level of connecting the set of battery cells and at least one virtual battery cell in series; and utilizing a battery cell control chip within the power supply device to control operations of the set of battery cells according to the virtual total output voltage level. An associated apparatus is further provided. | 01-16-2014 |
| 20140025363 | SYSTEMS AND METHODS FOR PREDICTING FAILURES IN POWER SYSTEMS EQUIPMENT - Certain embodiments herein are directed to systems and methods to predict failures in power systems equipment. In one embodiment, one or more life-span models associated with power systems equipment may be received. Examples of such life-span models may include a left-censoring model, a right-censoring model, and an interval-censoring model. An accuracy of the life-span models may be determined based at least in part on statistical analysis, such as a Weibull distribution analysis. A stability of the life-span models may also be determined, in certain embodiments herein. | 01-23-2014 |
| 20140025364 | SYSTEM AND METHODS FOR PREDICTING ENERGY REQUIREMENTS OF A PLURALITY OF ELECTRIC ENERGY VEHICLES - A System for predicting energy need of a plurality of electric-energy vehicles across a determined management area. | 01-23-2014 |
| 20140039865 | MODELING SYSTEM AND MODELING METHOD BASED ON LOGICAL RELATION - A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system. | 02-06-2014 |
| 20140058716 | Electrical Optimization and Component Selection in an Electrical Grid - Techniques for optimizing a distribution circuit (e.g., electric power grid) are described. Primary wiring of a distribution circuit may comprise a plurality of unique primary paths, from a source to an end (a transformer). Each primary path may include a plurality of primary segments, and each primary segment may be in one or more primary paths. A maximum voltage drop on any primary segment may be selected as a smallest of maximum allowed voltage drops across that segment in each of the primary paths. Because the voltage drop across each primary path must be less than a prescribed maximum, the sum of the voltage drops across each primary segment in that primary path is less than the prescribed maximum. The prescribed maximum may be adhered to if each primary segment is constructed of a conductor gauge chosen not to exceed the maximum voltage drop for that segment. | 02-27-2014 |
| 20140114638 | HANDHELD DEVICE FOR PREVENTING MISOPERATIONS IN AN ELECTRIC POWER SYSTEM - One embodiment of the present invention provides a system for performing a real-time, in-the-field switching-sequence simulation for a power system that includes a plurality of switching devices. During operation, the system receives a request, from a user at a handheld device, to perform an operation on a switching device in the power system. In response to the request, the system identifies the switching device from the plurality of switching devices, obtains instant status information associated with the plurality of switching devices, and runs a simulation, at the hand-held device, based on the instant status information and the identified switch device. The system then determines whether the operation is allowed based on an outcome of the simulation. | 04-24-2014 |
| 20140122050 | Electrical Power System Stability Optimization System - A method and apparatus for electrical power system stability optimization. An electrical power system comprising source elements and load elements is simulated to generate impedance data, wherein the impedance data identifies an impedance of the electrical power system. A stability profile of the electrical power system is characterized as a function of the impedance data, wherein the stability profile identifies the source elements and load elements to control power generation by the electrical power system to optimize stability of the electrical power system. | 05-01-2014 |
| 20140122051 | CONVERSION METHOD, PROGRAM AND SYSTEM OF POWER SYSTEM DATA MODELS - A power system data model conversion method, a power system data model conversion system and a power system data model conversion program which are to perform a fast power system analysis and used for a power system analysis capable of reducing inconsistency with another information system, wherein all instances used for the power system analysis are read out from a CIM database server which is commonly used on a power system information system, and a connected relation between instances is constructed while performing recursive retrieval. And, conversion processing of the data model is performed to integrate information necessary for the power system analysis and dispersed to extend over the plural classes of a CIM data model into one class. | 05-01-2014 |
| 20140129204 | STATE ESTIMATION FOR COOPERATIVE ELECTRICAL GRIDS - Aspects of state estimation for cooperative electrical grids are disclosed. State estimation of a local electrical grid can be based on a local grid model and local electrical grid information. The local state estimation can reflect interactions and interconnections with other electrical grids by determining state estimation solution information based on the local grid model, local electrical grid information, and remote state estimator solution information associated with the other electrical grid. As such, a local state estimator can be configured to receive and employ remote state estimator solution information. This can be in addition to the more conventional technique or receiving a remote grid model and remote electrical grid information to estimate the conditions of the remote electrical grid. Further, state estimation solution information can be incremental to further reduce the amount of information to be transferred and the time needed to accomplish transmission of the information. | 05-08-2014 |
| 20140136178 | SYSTEMS AND METHODS FOR MODEL-BASED SOLAR POWER MANAGEMENT - Systems and methods for model-based real-time solar power management. In an embodiment, real-time data is received from sensor(s) of an electrical system comprising a photo-voltaic power generator. Predicted data is generated based on a virtual model of the electrical system that replicates operation of the sensor(s). The virtual model is continuously and automatically synchronized with the electrical system based on a difference between the real-time data and the predicted data. Solar irradiance forecast data may also be received and used in conjunction with the virtual model to forecast a power output of the photo-voltaic power generator. | 05-15-2014 |
| 20140149101 | ELECTRICAL NETWORK MODEL SYNCHRONIZATION - Among other things, one or more techniques and/or systems are provided for maintaining an electrical network model describing an electrical network. A fault detection, fault isolation, and load restoration (FDIR) component, a voltage/var control (VVC) component, and/or other components may be provided with access to the electrical network model so that the components may have access to relatively up-to-date and/or accurate information describing the electrical network when executing functionality for the electrical network. For example, the FDIR component and the VVC component may be synchronized based upon the electrical network model so that the FDIR component may have notice of network changes by the VCC component, and/or the VCC component have may have notice of network changes by the FDIR component. | 05-29-2014 |
| 20140156250 | EMULATING POWER SYSTEM OPERATIONS - Systems and methods of emulating power system operations. The Emulation system may include a software model of an engine driven electrical power generator, Emulation code to enable various testing of one or more power system components, and using real-world values, where applicable, to enhance the Emulation and test operation of the power system. An example method may include receiving a desired operating configuration of a proposed power system. The method may also include simulating operating data of at least one component of the power system. The method may also include emulating operations of the proposed power system using at least some actual operating data and the simulated operating data. The method may also include outputting emulated operational data for the proposed power system into an actual control and monitoring system to emulate operations of the proposed power system. | 06-05-2014 |
| 20140172400 | EQUIPMENT FAULT DETECTION, DIAGNOSTICS AND DISAGGREGATION SYSTEM - A system for fault detection and diagnostics of equipment. The system may also be capable of disaggregation and/or virtual submetering of energy consumption by equipment, such as that of heating, ventilation and air conditioning, lighting, and so forth, in a building. Vibration and current sensors, along with one or more algorithms, may be utilized for fault detection and diagnostics of equipment. Models may be developed to aid in deducing energy consumption of individual components of equipment, and the like, for a building. | 06-19-2014 |
| 20140172401 | METHOD OF SIMULATING DISCRETE EVENT - Disclosed is a discrete event simulation method using Matlap object-oriented programming (OOP). The method of simulating a discrete event comprising a plurality of models and a root coordinator, comprises: the root coordinator's managing time schedules of the models; the root coordinator's calling a model function based on the time schedules; and the models' transmitting external input events to each other when the model function is called, based on a coupling structure of the models, wherein when the plurality of models transmit the external input events to each other, the external input events are transmitted as an input parameter of the model function. | 06-19-2014 |
| 20140180663 | System and Method For Accelerated Assessment of Operational Uncertainties In Electrical Power Distribution Systems - A system for accelerated assessment of operational uncertainties in an electrical power distribution system includes a plurality of utility assets, and a distribution analysis (“DA”) system. DA system includes a preparation module configured to identify a first network model and a reduced network model for the electrical power distribution system. DA system also includes an input module configured to identify a plurality of scenarios, and a reduced-model-analysis module configured to analyze the reduced network model using the plurality of scenarios, generating a first set of results, and to select a subset of scenarios based on the first set of results. DA system further includes a full-model-analysis module configured to analyze the first network model using the subset of scenarios, generating a second set of results. DA system also includes a command module configured to dispatch configuration commands to utility assets based on the second set of results. | 06-26-2014 |
| 20140207437 | Computer-Implemented System And Method For Inferring Operational Specifications Of A Fleet Of Photovoltaic Power Generation Systems - Operational specifications of a photovoltaic plant configuration can be inferred through evaluation of historical measured system production data and measured solar resource data. Based upon the location of the photovoltaic plant, a time-series power generation data set is simulated based on a normalized and preferably substantially linearly-scalable solar power simulation model. The simulation is run for a range of hypothetical photovoltaic system configurations. The simulation can be done probabilistically. A power rating is derived for each system configuration by comparison of the measured versus simulated production data, which is applied to scale up the simulated time-series data. The simulated energy production is statistically compared to actual historical data, and the system configuration reflecting the lowest overall error is identified as the inferred (and optimal) system configuration. Inferred configurations of photovoltaic plants in a photovoltaic fleet can be aggregated into a configuration of the fleet. | 07-24-2014 |
| 20140249793 | CONTROL METHOD, CONTROL SERVER, AND COMPUTER-READABLE RECORDING MEDIUM - A control server according to an embodiment sorts a plurality of notebook PCs into a plurality of groups so that the total value of the remaining amounts is a value similar to the total value of the remaining amounts of the rechargeable batteries of a plurality of notebook PCs included in a different group. The control server according to the embodiment performs local search individually on the sorted groups, and generates a control plan for the individual notebook PCs. | 09-04-2014 |
| 20140278332 | System And Method For Performance Monitoring And Evaluation Of Solar Plants - A monitoring system configured to monitor a solar plant is described. The monitoring system including a sensor configured to generate data based on an operating characteristic of a component. The monitoring system also includes a datalogger configured to receive data from the sensor. And, the monitoring system includes a server configured to receive the data from the datalogger and to generate a simulated output power for the component based on the data. | 09-18-2014 |
| 20140278333 | SYSTEMS, METHODS, AND MEDIA FOR MODELING TRANSIENT THERMAL BEHAVIOR - In some embodiments, systems for simulating thermal behavior in energy usage simulators are provided, the systems comprising: at least one hardware processor that: induces an event trigger to an environment, wherein the event trigger changes the behavior of the environment; performs computational fluid dynamics simulations on an environment based on a description of the environment to generate transient temperatures; generates a thermal map of the environment; predicts thermal behavior in the environment based on the thermal map; wherein thermal behavior includes division distribution, temporal distribution, and hysteresis; computes physical performance metrics based on the thermal behavior and on efficiency models; generates a resource utilization matrix (RUM) based on both the thermal behavior and workloads of equipment in the environment; generates a computational performance matrix based on the RUM and a supplied performance model; and computes computational performance based on the RUM and on performance models. | 09-18-2014 |
| 20140337002 | Method and Instrumentation for Sustainable Energy Load Flow Management System (SelfMaster(TM)) - Disclosed is a method and instrumentation for predictive and adaptive controllers devised to ensure uninterrupted operation of standalone electrical supply systems powered by sustainable energy sources. The device hereby referred to as SelfMaster™ is an expert system that manages the energy conversion, storage, and consumption in an isolated electric grid based on data collected during past and current operation of the system and predicted future states of the primary energy sources, storage level, and demand. The sustainable primary energy sources managed by SelfMaster™ may include, but not limited to, wind force, solar radiation, and biofuels. The energy storage system is a combination of batteries, hydrogen, biofuel, and hot water tanks. Electric demand consists of critical, non-critical, and deferrable loads identified according to the activities supported by the supply system. | 11-13-2014 |
| 20150012258 | SYSTEM AND METHOD FOR MODELING AND CHARACTERIZING OF PHOTOVOLTAIC POWER SYSTEMS - A system and method of the invention adjusts an existing system model of a PV system to provide better information regarding projected performance of the PV system. The resulting model enables a user to more accurately compare actual versus expected performance, thereby quantifying performance degradation due to soiling, aging and component failures while also verifying the design assumptions. A method of the invention includes selecting days of historical data that will result in the highest quality results (e.g., high energy output, minimal clouds); determining key metrics and relationships between measured data and site characteristics to identify how to optimize model parameters; running simulations of the model over the key days to determine the best value for each model parameter that results in the closest match between the model and measured system output; and conducting iterations of the simulations to adjust various model parameters. | 01-08-2015 |
| 20150051894 | TRACTION POWER SIMULATION - Systems and methods are provided for simulating fraction power and control in transportation systems under design conditions and/or utilizing real-time data. | 02-19-2015 |
| 20150066468 | DATA ACQUISITION SYSTEM AND A METHOD OF ACQUIRING DATA FROM A WIND TURBINE - The invention relates to a data acquisition system configured for acquiring operational data from one or more wind turbine components of a wind turbine, the data acquisition system comprising: a setup arrangement configured for establishing one or more data acquisition tasks, a user interface configured for allowing a user to access said setup arrangement, a wind turbine interface configured so that the setup arrangement can communicate with the wind turbine, wherein said user interface is configured for enabling the user to establish the one or more data acquisition tasks wherein the setup arrangement is configured for communicating one or more of the one or more data acquisition tasks to the wind turbine, and wherein said data set to be acquired is configured for being acquired from said data storage arrangement. | 03-05-2015 |
| 20150100295 | TIME SERIES FORECASTING ENSEMBLE - A method of forecasting a resource load for consumption at a site, e.g., an electrical load of a site. The method includes receiving historical load data and historical ambient condition data that are time series data pertaining to a site and generating additional data from the received data. The method includes building a best sub-model for each of multiple forecast intervals. The building includes clustering in parallel training portions of the historical load data and the additional data, training possible sub-models using the clustered training portions, verifying forecasted loads output from the possible sub-models against verification portions of the historical load data and the additional data, and determining a first subset of parameters for the best sub-model based upon accuracy of the forecasted loads. The method includes forecasting a resource load at the site for each of the forecast intervals using an ensemble of the best sub-models. | 04-09-2015 |
| 20150112661 | OVERCURRENT SIMULATION METHOD WHEN NAIL PENETRATES SECONDARY BATTERY AND RECORDING MEDIUM STORING THE PROGRAM - Disclosed is an overcurrent simulation method when a nail penetrates a secondary battery and a recording medium storing the program. The overcurrent simulation method according to the present disclosure constructs a safety device and a secondary battery equivalent circuit, and produces a nail penetration effect by changing a resistance value. In this instance, various current simulations may be obtained by changing a first metal sheet and a second metal sheet included in the safety device, and a resistance value limiting an overcurrent may be calculated. | 04-23-2015 |
| 20150120269 | EFFICIENT FORECASTING FOR HIERARCHICAL ENERGY SYSTEMS - Examples of energy forecasting in hierarchical energy systems are provided herein. A global forecast model instance for a hierarchical energy system can be determined through aggregation of energy forecast model data from individual energy smart meters. Energy forecast model data can include values for energy forecast model parameters used by the individual smart meters. The energy smart meters include measurement, forecasting, and calculation capabilities. The smart meters locally determine a forecast model instance used by the smart meter and provide corresponding information to higher levels in the energy system hierarchy. A global forecast model instance is determined based on the provided information. | 04-30-2015 |
| 20150120270 | APPARATUS AND METHOD FOR AUTOMATING SMART GRID COMMON INFORMATION MODEL INTEROPERABILITY TEST - Disclosed are an apparatus and method for automating a smart grid interoperability test and verification. It is possible to allow a tester to easily establish a test environment needed to test a CIM interoperability by providing a function that allows a tester to directly set and create a test node, a CIM test sequence, and a test sequence metadata, and it is also possible to reduce time and cost taken to test and verify the CIM interoperability by automatically compare and analyze a CIM message monitored in an actual test process with CIM message metadata set in a test scenario creation stage. | 04-30-2015 |
| 20150142411 | Method and System for Generating a Nuclear Reactor Core Loading Distribution - The generation of a nuclear core loading distribution includes receiving a reactor core parameter distribution associated with a state of a reference nuclear reactor core, generating an initial fuel loading distribution for a simulated beginning-of-cycle (BOC) nuclear reactor core, selecting an initial set of positions for a set of regions within the simulated BOC core, generating an initial set of fuel design parameter values utilizing a design variable of each of the regions, calculating a reactor core parameter distribution of the simulated BOC core utilizing the generated initial set of fuel design parameter values associated with the set of regions located at the initial set of positions of the simulated BOC core and generating a loading distribution by performing a perturbation process on the set of regions of the simulated BOC core to determine a subsequent set of positions for the set of regions within the simulated BOC core. | 05-21-2015 |
| 20150142412 | Method and System for Generating a Nuclear Reactor Core Loading Distribution - The generation of a nuclear core loading distribution includes receiving a reactor core parameter distribution associated with a state of a reference nuclear reactor core, generating an initial fuel loading distribution for a simulated beginning-of-cycle (BOC) nuclear reactor core, selecting an initial set of positions for a set of regions within the simulated BOC core, generating an initial set of fuel design parameter values utilizing a design variable of each of the regions, calculating a reactor core parameter distribution of the simulated BOC core utilizing the generated initial set of fuel design parameter values associated with the set of regions located at the initial set of positions of the simulated BOC core and generating a loading distribution by performing a perturbation process on the set of regions of the simulated BOC core to determine a subsequent set of positions for the set of regions within the simulated BOC core. | 05-21-2015 |
| 20150142413 | Method and System for Generating a Nuclear Reactor Core Loading Distribution - The generation of a nuclear core loading distribution includes receiving a reactor core parameter distribution associated with a state of a reference nuclear reactor core, generating an initial fuel loading distribution for a simulated beginning-of-cycle (BOC) nuclear reactor core, selecting an initial set of positions for a set of regions within the simulated BOC core, generating an initial set of fuel design parameter values utilizing a design variable of each of the regions, calculating a reactor core parameter distribution of the simulated BOC core utilizing the generated initial set of fuel design parameter values associated with the set of regions located at the initial set of positions of the simulated BOC core and generating a loading distribution by performing a perturbation process on the set of regions of the simulated BOC core to determine a subsequent set of positions for the set of regions within the simulated BOC core. | 05-21-2015 |
| 20150149143 | APPARATUS, METHODS AND SYSTEMS FOR PARALLEL POWER FLOW CALCULATION AND POWER SYSTEM SIMULATION - According to one aspect, an apparatus for computing a solution to a power flow problem for an electrical power system comprising a plurality of buses. The apparatus includes (a) at least one processor comprising a plurality of cores; and (b) memory coupled to the at least one processor for storing an admittance matrix for the power system, real power and reactive power for each bus, and an initial complex voltage for each bus; (c) wherein the at least one processor is configured to: (i) perform a Jacobi power flow calculation for each bus to determine the complex voltage for each bus, the Jacobi power flow calculation using the admittance matrix, the real power and reactive power for each bus, and the initial complex voltage for each bus as inputs, wherein at least two Jacobi power flow calculations are performed concurrently on the plurality of cores; (ii) calculate a power mismatch at each bus based on the complex voltages; and (iii) determine whether the Jacobi power flow calculations have converged based on the power mismatch and repeat (i) to (iii) if the Jacobi power flow calculations have not converged. | 05-28-2015 |
| 20150317414 | TECHNIQUES FOR FACILITATING ELECTRICAL DESIGN OF AN ENERGY GENERATION SYSTEM - Systems and methods for facilitating the electrical design of an energy generation system. In one embodiment, a method is provided that can comprise receiving, by a computer system from a user, first information pertaining to an energy generation system to be installed at a customer site. The method can further comprise determining an electrical design for installing the energy generation system at the customer site, where the determining is based on the first information, second information retrieved from one or more external data sources, an electrical data model, and a decision tree that models the electrical design process. An installation diagram can then be generated that illustrates the determined electrical design. | 11-05-2015 |
| 20150379173 | METHOD FOR PROCESSING A SET OF DATA TO BE USED SUBSEQUENTLY WITH A VIEW TO GRAPHICALLY GENERATING AN ELECTRICAL DIAGRAM OF AN ELECTRICAL SYSTEM - A processing method that makes it possible to process a set of data to be used subsequently to graphically generate an electrical diagram of an electrical system, for example an electrical system for a motor vehicle. The method includes transmission of a model from a database to a computer, the model including a list of identifiers of parts of the electrical system, and, for each part identifier, a position of the part on the electrical diagram to be generated. After having determined a configuration of the electrical diagram and association between the electrical diagram parts and connectors, the computer determines a topology of the electrical diagram to be generated, the topology including connecting elements, each connecting element connecting at least two connectors. | 12-31-2015 |
| 20160019323 | SOLAR POWER GENERATION SYSTEM, ABNORMALITY DETERMINATION PROCESSING DEVICE, ABNORMALITY DETERMINATION PROCESSING METHOD, AND PROGRAM - A generated power estimation model to be used for estimating an expected generated power amount that is expected to be generated by a solar power generation module is constructed based on a daily correlative relationship between a generated power amount generated by a solar power generation module that generates power by receiving sunlight, and an energy amount of sunlight emitted to the solar power generation module. Furthermore, the expected generated power amount is estimated based on the generated power estimation model, and it is determined whether or not an abnormality has occurred by comparing the expected generated power amount and the generated power amount actually generated by the solar power generation module. This technique can be applied to a solar power generation system, for example. | 01-21-2016 |
| 20160085893 | Solver for Hardware Based Computing - Full-AC load flow constitutes a core computation in power system analysis. A performance gain with a hardware implementation of a sparse-linear solver using a Field Programmable Gate Array (FPGA) is achieved by use of a DC network emulation of the power system bus. Analog Behavioral Models (ABMs)are used in an efficient strategy for designing analog emulation engines for large-scale power system computation. A generator model is also developed using analog circuits for load flow emulation for power system analysis to reduce computation time. The generator model includes reconfigurable parameters using operational transconductance amplifiers (OTAs). The circuit module is used with other reconfigurable circuits, i.e., transmission lines and loads. | 03-24-2016 |
| 20160092620 | METHOD FOR POWER STATION SIMULATION FOR TEST AND TRAINING PURPOSES BY MEANS OF A PIECE OF DISTRIBUTED SIMULATION HARDWARE - A method for power station simulation, particularly for test purposes, by means of a piece of distributed simulation hardware that includes one or more emulation units, each having at least one emulation component, and also a simulation unit having a process model, where the method includes operating the emulation components cyclically with a common cycle time, using a respective cycle to form a time stamp, and automatically providing a data packet that is saved by each emulation component with the respective time stamp upon an appropriate command, wherein the data of the data packet are organized in accordance with a prescribed format and comprise a signal map. | 03-31-2016 |
| 20160132619 | ENERGY MANAGEMENT APPARATUS, ENERGY MANAGEMENT METHOD, AND NON-TRANSITORY TANGIBLE COMPUTER READABLE MEDIUM THEREOF - An energy management apparatus, energy management method, and non-transitory tangible computer readable medium thereof are provided. The energy management apparatus receives a plurality of first operation data and environment data, derives a plurality of simulated energy data through energy simulation based on the first operation data and the environment data, calculates an error value between a real environment value and a simulated environment value of the simulated energy data, decides a simulation objective value according to the error value, and decides a plurality of second operation data through energy simulation based on a search algorithm and the simulation objective value. The first operation data correspond to a first time interval, each of the first operation data corresponds to one of a plurality of devices, and the second operation data correspond to a second time interval, and each of the second operation data corresponds to one of the devices. | 05-12-2016 |
| 20160140263 | SYSTEM AND METHOD FOR DETERMINING THE CURRENT AND FUTURE STATE OF HEALTH OF A POWER TRANSFORMER - A system includes a power transformer diagnosis and prognosis device having memory circuitry storing a plurality of models. Each of the plurality of models comprises correlations between potential combinations of operational and non-operational power transformer data and potential conditions of one or more subsystems of a power transformer and include a physics-based model and an empirical model. The system includes communication circuitry configured to receive a particular combination of operational and non-operational power transformer data related the power transformer. The system includes processing circuitry configured to provide the particular combination of operational and non-operational power transformer data as inputs to the plurality of models, determine a diagnosis for the power transformer from outputs of the plurality of models, determine a prognosis for the power transformer from the outputs of the plurality of models, and display the diagnosis and the prognosis for the power transformer on a display device. | 05-19-2016 |
| 20160154903 | INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD AND COMPUTER-READABLE STORAGE MEDIUM | 06-02-2016 |
| 20160179991 | MICROGRID TROUBLESHOOTING METHOD | 06-23-2016 |
| 20160188763 | Visualization of Electrical Loads - A visualization system for visualizing electrical loads of an electrical distribution panel is disclosed in one embodiment. The system includes a sensor arrangement for sensing an electrical load of a plurality of electrical circuits protected by corresponding circuit breakers of the distribution panel and for providing corresponding sensor data, a data processing system for aggregating and storing the sensor data of the sensor arrangement, and a portable device. The portable device includes an image capturing unit and a display screen. It is configured to obtain a live image of at least a part of the electrical distribution panel from the image capturing unit, to identify individual circuit breakers within the live image, to obtain load information at least for the identified circuit breakers from the data processing system and to display the obtained load information in a structured way on the display screen of the portable device. | 06-30-2016 |
| 20160196370 | SIMULATION OF A MAXIMUM POWER OUTPUT OF A WIND TURBINE | 07-07-2016 |
| 20160196375 | System And Methods For Intuitive Modeling Of Complex Networks In A Digital Environment | 07-07-2016 |
| 20160378894 | METHOD AND APPARATUS FOR ANALYZING ECONOMICS OF POWER DEMAND MANAGEMENT BUSINESS PROJECT USING SMART POWER DEMAND RESOURCES MODELING DATA SIMULATION MODULE - An apparatus and a method for analyzing economics of a power demand management business project using a smart power demand resources modeling data simulation module, the apparatus including a cloud computing module for grouping N smart power demand resources modeling data simulation modules according to their positions and IDs through a web application server and connecting the modules to a network, a web application server (WAS) positioned between a cloud computing module and a smart power demand resources modeling data simulation module, and a smart power demand resources modeling data simulation module. | 12-29-2016 |
| 20170235856 | FORMAL VERIFICATION DRIVEN POWER MODELING AND DESIGN VERIFICATION | 08-17-2017 |
