Class / Patent application number | Description | Number of patent applications / Date published |
700288000 | Cogenerative system | 19 |
20100268394 | Method and apparatus for a hybrid energy saving system - Disclosed is a Hybrid Energy Storage System capable of increasing the energy recovery, lowering the environmental impact of CO2 release, decreasing the environmental impact of noise and visual pollution, simplifying the machine design and construction, smoothing the load on the mechanical system, and decreasing the material, design, and implementation costs. The System will store the needed energy in a battery-capacitor system, feed the energy to an electric motor during the high load portion of the load cycle, and retrieve electrical energy during the low load portion of the cycle. Sensor and switching systems will connect and disconnect the electric generator and electric motor systems at the appropriate parts of the cycle. Energy losses will be made up by solar panels, a wind generator, a gas engine, or connection to the electric grid. The System will save energy, lower costs of insulation and operation, and decrease the environment impacts. | 10-21-2010 |
20100305768 | CONTROL FOR IMPROVED THERMAL PERFORMANCE OF A STEAM TURBINE AT PARTIAL LOAD - A method controls at least a portion of a combined cycle power plant having at least one gas turbine, at least one heat recovery steam generator, and at least one steam turbine. The method includes developing an actual operating curve of a steam characteristic of the at least one heat recovery steam generator versus an amount of steam provided to the at least one steam turbine from the at least one heat recovery steam generator. The method also includes determining the steam characteristic of the at least one heat recovery steam generator at a point in time during operation of the combined cycle power plant. The method further includes providing an amount of the steam from the at least one heat recovery steam generator to the at least one steam turbine depending upon the determined steam characteristic of the at least one heat recovery steam generator at the point in time. | 12-02-2010 |
20110035069 | System for Simulating Heat and Power Supply Facility - There is provided a system, for simulating a heat and power supply facility, that is capable of easily constructing a heat and power supply facility, and that performs a simulation so as to approximate operating conditions including a load factor to an actual situation, by approximating, to a high accuracy, any item included in a total combined energy to a target value. | 02-10-2011 |
20110035070 | POWER SUPPLY SYSTEM - In a power supply system ( | 02-10-2011 |
20110137480 | SUPPLEMENTAL SOLAR SUPERHEATED STEAM IN A CONCENTRATED SOLAR POWER-ENABLED POWER PLANT - Supplying supplemental superheated steam to a steam turbine in a solar-fossil-fuel hybrid power plant feeding steam from a boiler portion of a heat recovery steam generator (HRSG) of the solar-fossil-fuel hybrid power plant to a concentrated solar power (CSP) field to superheat the steam resulting in the formation of superheated steam and directing the superheated steam from the CSP field to a steam generator to drive the steam turbine. | 06-09-2011 |
20110178647 | SYSTEMS AND METHODS FOR INCREASING THE EFFICIENCY OF A KALINA CYCLE - A Kalina Cycle control system monitors one or more operating parameters of the Kalina Cycle. The system calculates one or more optimal operating parameters that allow the Kalina Cycle to operate at an increased efficiency. The system automatically adjusts the one or more actual operating parameters to the optimal parameters to increase the efficiency of the Kalina Cycle. Methods of increasing the efficiency of a Kalina Cycle include automatically adjusting one or more operating parameters to an optimal configuration. | 07-21-2011 |
20110245986 | SYSTEM AND METHOD FOR MULTI-OBJECTIVE MANAGEMENT OF THE ELECTRICAL AND THERMAL ENERGY GENERATED BY A CO/TRIGENERATION ENERGY SYSTEM IN A MULTI-SOURCE ENERGY PLANT - A method for multi-objective management of the electrical and thermal power generated by a co/trigeneration energy system in a multi-source energy plant. The co/trigeneration energy system comprises an electronic unit implementing a multi-objective function comprising: first computation parameters containing the values of the electrical and thermal powers exchanged within the multi-source plant between a cogeneration module, loads, auxiliary sources, and an electric network; and a set of second and third computation parameters correlated to the costs of management and, respectively, of efficiency of the generation and exchange of the electrical and thermal powers within the multi-source energy plan. The method envisages the step of determining optimal values of the electrical and thermal powers that the co/trigeneration system must supply at output to minimize the multi-objective function, and the step of varying the electrical and thermal powers generated by the cogeneration module as a function of the optimal values calculated. | 10-06-2011 |
20110270451 | CONTROL DEVICE FOR EXHAUST HEAT RECOVERY SYSTEM - Disclosed is a control device for a waste heat recovery system which enables improvement in the responsiveness of the output control for a power turbine and a steam turbine with respect to sudden changes in the inboard load. The control device for a waste heat recovery system is equipped with: a power turbine that provides drive using engine exhaust gas and a steam turbine that provides drive using steam generated with an engine exhaust gas economizer, and is equipped with a power turbine control means which controls the output of the power turbine and a steam turbine control means which controls the output of the steam turbine, and both of which drive an electrical generator by means of the power turbine and the steam turbine. The power turbine control means is equipped with: a power turbine feedback control means which calculates a control valve operation amount based on the deviation between a power turbine target value and; the actual power turbine output; and a power turbine feed-forward control means which extracts a control valve operation amount from a power turbine degree-of-opening command map wherein the relationship between the engine load, the power turbine output target value calculated from the engine load, and the control valve operation amount has been preset. The power turbine control means sets the degree of opening of the control valve by adding the operation amount from the feed-forward control means and the operation amount from the feedback control means. | 11-03-2011 |
20120041610 | CONTROLLER FOR COMBINED HEAT AND POWER SYSTEM - A controller for controlling a combined heat and power (CHP) system which can include one or more CHP units, can comprise a high level optimizer and one or more low level optimizers. The high level optimizer can be configured to optimize a total cost of producing heating, cooling, and electric power, by allocating total heating, cooling, and/or electric power setpoints one or more CHP unit types, based on the fuel price, CHP unit operational constraints, and/or heating, cooling, and/or electric power demand. The low level optimizer can be configured to allocate cooling, heating, and/or electric power setpoints to individual CHP units, based on the high level allocation to CHP unit types. | 02-16-2012 |
20120185103 | Method for Controlling Power Generating Equipment - A Method of controlling power generating equipment to coordinate with the demands of heating equipment and cooling equipment that are powered by exhaust gases from the power generating equipment. | 07-19-2012 |
20120245747 | Method and System To Estimate Variables In An Integrated Gasification Combined Cycle (IGCC) Plant - System and method to estimate variables in an integrated gasification combined cycle (IGCC) plant are provided. The system includes a sensor suite to measure respective plant input and output variables. An extended Kalman filter (EKF) receives sensed plant input variables and includes a dynamic model to generate a plurality of plant state estimates and a covariance matrix for the state estimates. A preemptive-constraining processor is configured to preemptively constrain the state estimates and covariance matrix to be free of constraint violations. A measurement-correction processor may be configured to correct constrained state estimates and a constrained covariance matrix based on processing of sensed plant output variables. The measurement-correction processor is coupled to update the dynamic model with corrected state estimates and a corrected covariance matrix. The updated dynamic model may be configured to estimate values for at least one plant variable not originally sensed by the sensor suite. | 09-27-2012 |
20120245748 | Model Predictive Control System and Method for Integrated Gasification Combined Cycle Power Generation - Control system and method for controlling an integrated gasification combined cycle (IGCC) plant are provided. The system may include a controller coupled to a dynamic model of the plant to process a prediction of plant performance and determine a control strategy for the IGCC plant over a time horizon subject to plant constraints. The control strategy may include control functionality to meet a tracking objective and control functionality to meet an optimization objective. The control strategy may be configured to prioritize the tracking objective over the optimization objective based on a coordinate transformation, such as an orthogonal or quasi-orthogonal projection. A plurality of plant control knobs may be set in accordance with the control strategy to generate a sequence of coordinated multivariable control inputs to meet the tracking objective and the optimization objective subject to the prioritization resulting from the coordinate transformation. | 09-27-2012 |
20130231789 | ADJUSTABLE SYSTEMS AND METHODS FOR INCREASING THE EFFICIENCY OF A KALINA CYCLE - A Kalina Cycle control system monitors one or more operating parameters of the Kalina Cycle. The system calculates one or more optimal operating parameters that allow the Kalina Cycle to operate at an increased efficiency. The system automatically adjusts the one or more actual operating parameters to the optimal parameters to increase the efficiency of the Kalina Cycle. Methods of increasing the efficiency of a Kalina Cycle include automatically adjusting one or more operating parameters to an optimal configuration. | 09-05-2013 |
20130238154 | Systems, Computer Readable Media, and Computer Programs For Enhancing Energy Efficiency Via Systematic Hybrid Inter-Processes Integration - Systems, computer readable media, and program code for systematically providing enhanced energy efficiency of mega industrial sites and synergy with the adjacent community through advanced hybrid inter-systems energy integration targeting and solutions generation to achieve desired best levels of energy consumption and greenhouse gas emissions reduction, are provided. An exemplary system includes a computer and computer readable code for performing the operations of determining possible inter-processes integration energy consumption targets, selecting an energy-efficient inter-processes integration energy consumption target, determining the inter-processes energy integration combination providing for the energy efficient inter-processes integration energy consumption target, generating a plurality of technically viable industrial site inter-processes heat exchange system design alternatives, and assisting a user to identify the technically viable industrial site inter-processes heat exchange system design substantially providing for optimal total waste heat recovery between the respective functional areas. | 09-12-2013 |
20140039707 | SYSTEMS AND METHODS FOR POWER COGENERATION - The invention includes systems and methods for power cogeneration. In certain embodiments the cogeneration systems include one or more units that are modularized; in some of these embodiments, the modules contain components that are integrated and ready for use with a control system that optimizes a result for the cogeneration plant. In some cases, the cogeneration system is part of a network of cogeneration systems. | 02-06-2014 |
20140039708 | COGENERATION NETWORKS - The invention provides systems and methods for a network of cogenerations systems. In some cases, each system includes at least one cogeneration plant and at least one host facility, where the systems in the network are under the control of a common control system that optimizes a result for the network as a whole. In some cases, each cogeneration system in the network has an individual profile that is used by the control system for controlling that individual cogeneration system. In some cases, one or more of the cogeneration plants is assembled from a set of at least two modular transportable units where the modular units contain sensors that are configured to be ready for transmission of inputs to the common control system with little or no modification when the units are assembled into the final cogeneration plant and actuators or actuator systems that are configured to be ready for reception of outputs from the common control system with little or no modification when the units are assembled into the cogeneration plant. | 02-06-2014 |
20140088773 | SYSTEMS AND METHODS FOR PART LOAD CONTROL OF ELECTRICAL POWER GENERATING SYSTEMS - Disclosed illustrative embodiments include systems for part load control of electrical power generating systems and methods of operating a system for part load control of electrical power generating systems. | 03-27-2014 |
20140297053 | MODEL BASED CONTROL WITH ENGINE PERTURBATION FEEDBACK - A method to control an power generation plant including: applying control settings to operate the plant; collecting plant data indicative of the performance of the plant; applying the control settings to a model of the plant; collecting prediction data from the model; comparing the plant data to the predicted data and adjusting the control settings applied to the plant and model; perturbing the control settings and applying the perturbed control settings to operate the plant and the model; collecting perturbed plant data and perturbed prediction data, and modifying the model if the perturbed plant data represents an improvement as compared to the perturbed prediction data. | 10-02-2014 |
20150142192 | METHOD OF REGULATING A PLANT COMPRISING COGENERATING INSTALLATIONS AND THERMODYNAMIC SYSTEMS INTENDED FOR AIR CONDITIONING AND/OR HEATING - A method of regulating an installation associating one or several cogeneration machines and one or several thermodynamic systems (e.g., air conditioner (whether or not reversible), water cooler or heat pump (whether or not reversible)) intended for air conditioning and/or heating. | 05-21-2015 |