Class / Patent application number | Description | Number of patent applications / Date published |
307069000 | Sources distributed along load circuit | 23 |
20090189452 | System and Method for Creating a Networked Infrastructure Distribution Platform of Small Fixed and Vehicle Based Wind Energy Gathering Devices Along Roadways - A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of wind energy generating devices, and a roadway system electricity grid. The wind energy generating devices are electrically connected to the roadway system electricity grid and are positioned on part of or near to a road in a system of roads and are optionally fixed in a position such that a multi-form, wind energy gathering network can be formed. | 07-30-2009 |
20090195076 | System Comprising at Least Two Guideway-Related Guideway Components of a Track Guideway and a Transformer Station - A system has at least two guideway-related guideway components of a track guideway and a transformer station, which is electrically connected to the at least two guideway components and supplies the same with an output voltage for the purpose of power supply. The transformer station generates, on the output side, a higher output voltage than the guideway component connected thereto requires as the operating voltage for its operation. The guideway components are equipped with respective voltage reducing devices which reduce the supply voltage, supplied by the transformer station, to the operating voltage which the individual guideway component requires. | 08-06-2009 |
20090200869 | System and method for creating a networked infrastructure roadway distribution platform of solar energy gathering devices - A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of solar energy generating devices, and a roadway system electricity grid. The solar energy generating devices are electrically connected to the roadway system electricity grid and are positioned on part of or near to a road in a system of roads and being optionally fixed in a position such that a multi-form, solar energy gathering network can be formed. | 08-13-2009 |
20090212633 | System and method for creating a networked infrastructure distribution platform of fixed and mobile solar and wind gathering devices - A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of ground-based wind energy generating devices, one or more roads, and a roadway system electricity grid. The roadway system may additionally include, for example, a plurality of ground-based solar energy generating devices, one or more vehicle-based solar energy generating devices and one or more vehicle-based wind energy generating devices. The energy generating devices are connected to the roadway system electricity grid and substantially all of the ground-based wind energy generating devices are positioned on part of one of the roads or near to one or more of the roads to thereby allow energy generation from wind created from passing vehicles in addition to energy generation from atmospheric wind. | 08-27-2009 |
20090251006 | Ground-Level Power Supply Circuit, Especially for a Tramway - The ground-level power supply circuit includes two running ways each having a power supply track which includes a series of conducting track segments separated by insulated joints, and a power supply line. The power supply line is common to the two power supply tracks, and the power supply circuit includes switching devices for independently and selectively connecting the power supply track segments to the common power supply line. | 10-08-2009 |
20100038967 | DISTRIBUTED POWER SUPPLY ARRANGEMENT - Distributed power supply arrangements and related methods are disclosed. Voltage is sensed at least one sense point in a power plane of a power distribution network. The power plane includes distributed source points and load points through which a plurality of power sources supply power to a plurality of loads. Currents supplied to the power plane by the power sources are regulated based on the voltage sensed at each of the at least one sense point. | 02-18-2010 |
20100052427 | SYSTEM FOR SPORADIC SUPPLY AND TAPPING OF ELECTRICAL ENERGY ESPECIALLY FOR AN URBAN VEHICLE USED FOR PUBLIC TRANSPORT - A system of localized tapping sections ( | 03-04-2010 |
20100213765 | ENERGY SUPPLY - An energy supply is provided along a route with at least one distribution station, wherein a first voltage is applied at the input and a second voltage at the output. The second voltage is lower or higher than the first voltage. A plurality of components are arranged along the route. A component, which is supplied with the second voltage, includes a power supply unit for transforming the second voltage into a third voltage. | 08-26-2010 |
20100213766 | Systems and Methods for Electricity Metering - In one aspect, the invention comprises a system comprising: a master data clock source; one or more transponders; and a plurality of remote power line transceivers; wherein all of said plurality of transceivers are connected to a common alternating current power distribution grid; and wherein each of said plurality of transceivers has a location is operable to monitor a voltage waveform of a power line prevailing at said location. In another aspect, the invention comprises a system comprising: transponders and remote power line transceivers each connected to a common alternating current power distribution grid each operable to monitor the voltage waveform of the power line prevailing at its own location, and generate selectable frequencies from said local power line waveform of a frequency of p/q times the frequency of said power line where p and q are positive integers greater than or equal to 1. | 08-26-2010 |
20110068631 | ELECTRICAL GENERATOR NETWORK AND A LOCAL ELECTRICAL SYSTEM - A local electrical system having an electrical generator is connected to an electrical generator network. The local electrical system has a controller to avoid the non-detection zone of loss-of-mains relays. The controller is arranged to monitor the real power flow from the electrical generator network to the local electrical system and to determine if the absolute value of the real power flow is below a first predetermined value to determine if there is a close match between the power requirements of the local electrical system and the electrical generator. If there is a close match, then the controller is arranged to monitor the reactive power flow the same way. If there is a close match also with the reactive power, then the controller is arranged to adjust the target reactive power output from the electrical generator of the local electrical system. | 03-24-2011 |
20110204721 | Electricity Generation System - An electricity generation system having a low frequency alternating heat and cold distribution system provided for alternately distributing heat and cold at low frequency; a heat-electricity conversion system operatively connected to the low frequency alternating heat and cold distribution system and provided for generating electricity in response to the alternately distributed heat and cold; an electric power delivery system operatively connected to the heat-electricity conversion system and provided for distributing the generated electricity; and a process control system operatively connected to the low frequency alternating heat and cold distribution system, to the heat-electricity conversion system, and to the electric power delivery system in order to control the operations thereof, is provided. | 08-25-2011 |
20120126622 | Autotransformer Traction Power Supply System Equipped With 2x27.5KV Outdoor Modularized Electric Apparatus In Electrified Railway - An autotransformer (AT) traction power supply system equipped with 2×27.5 kV outdoor modularized electric apparatus comprises a traction substation located beside an electrified railway, which connects with an up and a down line traction network at output terminal, a parallel apparatus located in the middle and the end of a feeder in the up and down line traction network, which functions as parallel power supply operation, and an over-zone apparatus located around a neutral section insulator between feeders of the up and down line traction network of two adjacent traction substations, which functions as over-zone power supply operation. The parallel apparatus connected with an AT equipment is a modularized electric apparatus which comprises four parallel power supply units. The AT equipment comprises four integrated AT substations which include the first AT, the second AT and an AT modularized electric apparatus. | 05-24-2012 |
20120223580 | METHODS, SYSTEMS AND APPARATUS FOR NATURAL POWER COLLECTION AND DISTRIBUTION - The present invention is directed to a system and method for transmitting and distributing electricity in which a transmission tower is adapted to include a natural power device for converting wind or solar energy into electricity. The natural power device is electrically connected as a source to at least one or more transmission lines connected to the transmission tower, in order to supply the converted electricity to a distribution grid. A wind turbine and/or a solar panel may be implemented as the natural power device. | 09-06-2012 |
20120280570 | ELECTRICAL POWER DISTRIBUTION INSTALLATION - An electrical power transmission system where there are solar cells attached to a plurality of transmission poles. The cells are in panels wrapped around the poles to reduce windage loading and visual impact. | 11-08-2012 |
20130088085 | ANALYSIS DEVICE OF CATENARY-BASED TRANSPORTATION SYSTEM, ANALYSIS METHOD AND PROGRAM THEREFOR - In a catenary-based transportation system which is provided with integrated power supply equipment having an electricity storage unit which stores electricity regenerated by vehicles traveling by electricity received from a catenary and supplies electricity to the catenary and the other power supply system which is a power supply system different from the electricity storage unit concerned, the performance of a rectifier of the other power supply system is determined based on a power-supplying contribution ratio γ of the other power supply system so that the cost value of the integrated power supply equipment becomes lower than a target cost value. | 04-11-2013 |
20130119770 | Network Architectures for Distributed Resource Management in Electric Power Systems - A network for managing distributed resources (DRs) is connected to an electric power system (EPS). The network includes a set of controllers, and multiple sets of the DRs, wherein each controller is connected to one of the sets of the DRs by a personal area network (PAN). A management system connects the EPS and the set of controllers by a wide area network (WAN). The EPS generates commands for selected DRs to take actions, the commands are routed to the selected DRs via the WAN and PANs. | 05-16-2013 |
20130334886 | Distributed Power Station System - A distributed power station system, comprising a remote control/management system ( | 12-19-2013 |
20140265596 | METHOD AND APPARATUS FOR ISLANDING DETECTION FOR GRID TIE CONVERTERS - Methods and apparatus are presented for unintentional islanding detection for grid tie converters in which the phase angle disturbance is introduced by modification of grid side converter switching control signals and a mismatch of reactive power between generation and the grid load is formed upon the occurrence of unintentional islanding, where the applied phase disturbance is determined according to two pre-defined curves to form an equivalent positive feedback at different frequencies to prevent the converter from forming an island at a new stable frequency after the grid is disconnected. | 09-18-2014 |
20140265597 | Distributed Energy System Architecture with Thermal Storage - In one embodiment, power gathering system (PGS) circuits are connected as an electrical overlay system to a distribution substation of a conventional electric-power generation, transmission, and distribution system. Combined heat and power (CHP) generators generate (i) electric power provided to the PGS circuits and (ii) thermal energy provided to co-located thermal host facilities that also receive electric power from the PGS circuits. The CHP generators convert excess thermal energy not used by the thermal host facilities into additional electric power provided to PGS circuits. As the amount of thermal energy used by the thermal host facilities varies over time, the amount of additional electric power generated by CHP generators is inversely varied. In this way, the primary electric-power generators (e.g., gas turbine generators) of the CHP generators can be operated economically at optimal levels independent of the thermal energy demand of the thermal host facilities. | 09-18-2014 |
20140333139 | SYSTEMS AND METHODS OF SEMI-CENTRALIZED POWER STORAGE AND POWER PRODUCTION FOR MULTI-DIRECTIONAL SMART GRID AND OTHER APPLICATIONS - Systems and methods of semi-centralized power storage and distributed power generation comprise at least one power storage facility at a first location, at least one distributed power generation facility at a second location different than the first location, and at least one mobile stored power transportation unit. The power storage facility includes a power storage medium comprising liquid air, nitrogen, oxygen, or a combination thereof. The mobile stored power transportation unit is configured to carry at least a portion of the power storage medium to the distributed power generation facility. In exemplary embodiments, the power storage facility is an air separation plant. The power storage facility may also function as an energy service company. | 11-13-2014 |
20140368044 | RAIL INTEGRATED ENERGY SYSTEM - An energy management system using renewable energy resources to power an electric railcar along a rail and to distribute and store energy along a rail system is disclosed. The energy management system includes a power supply structured to generate electricity from renewable energy resources. A rail tie assembly, with a rail tie member, is positioned to support the rail and encloses a battery therein. The battery is electrically connected to the power supply. The rail tie assembly also includes at least one electricity transmission line, which is electrically connected to the battery and a railcar power transmission assembly. More specifically, the energy management system is structured to conduct electricity between the power supply and the battery, and to distribute power to a battery of an adjoining rail tie assembly. | 12-18-2014 |
20150380940 | SYSTEM AND METHOD FOR ISLANDING DETECTION AND PREVENTION IN DISTRIBUTED GENERATION - A method for detecting and preventing islanding includes issuing a command to an inverter connected to a power source, where the inverter is coupled to a power grid and supplies power to the power grid, the command causes a frequency of a waveform output by the inverter to vary, and the frequency of the waveform output by the inverter is a command frequency, determining that a amount of change of the command frequency is a constant value for a predetermined amount of time, removing the power supplied by the inverter from the power grid, and determining whether the power grid is valid. | 12-31-2015 |
20160013650 | SYSTEM AND METHOD FOR ISLANDING DETECTION AND PREVENTION IN DISTRIBUTED GENERATION | 01-14-2016 |