Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2015
03/05/2015WO2015031581A1 System and method for energy asset sizing and optimal dispatch
03/05/2015WO2015031577A1 Current loop input protection
03/05/2015WO2015031331A1 Dispatch controller for an energy system
03/05/2015WO2015030453A1 Micro converter apparatus for photovoltaic energy generation source and controlling method therefor
03/05/2015WO2015030359A1 High-voltage direct current converter
03/05/2015WO2015029906A1 Control device
03/05/2015WO2015029586A1 Control device
03/05/2015WO2015029448A1 Energy management device, energy management method, and energy management system
03/05/2015WO2015029431A1 Distributed power supply system and power conditioner
03/05/2015WO2015029260A1 Business model for establishing large-scale social power supply infrastructure system using power-generating vehicle
03/05/2015WO2015029227A1 Voltage control apparatus and voltage monitoring method
03/05/2015WO2015028840A1 Composable method for explicit power flow control in electrical grids
03/05/2015WO2015028690A1 Multi-use electrical corrector suitable for use in alternating current circuits
03/05/2015WO2015028663A1 Electric unit for a pump-storage power plant
03/05/2015WO2015028621A1 Power plant protection
03/05/2015WO2015028509A1 Method for programming energy flow between a grid and an accumulator of an electric vehicle, and corresponding device for programming
03/05/2015WO2015028322A1 Interfacing a prime mover driven alternator with an existing power network
03/05/2015WO2015028248A1 Method and control device for operating an energy storage unit for a photovoltaic system
03/05/2015WO2015027756A1 Method and system for identifying element parameter and power correction factor of electric power system
03/05/2015WO2015027563A1 Auxiliary filtering cabinet
03/05/2015WO2015027313A1 Pump jack controller and method for using same for electricity generation
03/05/2015WO2015027281A1 Energy control and generation method and system
03/05/2015US20150066231 Building Management and Appliance Control System
03/05/2015US20150061298 Systems and methods for controlling acceleration of a power generator
03/05/2015US20150060007 Heat pump
03/05/2015DE112013002885T5 Spannungsumwandlungsapparat, Stromerzeugungssystem und Spannungsumwandlungsverfahren Voltage conversion apparatus, power generation system and voltage conversion method
03/05/2015DE102013217743A1 Verfahren und Steuergerät zum Begrenzen einer elektrischen Belastung in einem Netzzweig eines elektrischen Netzes Process and control device for limiting an electrical load in a network branch of an electrical network
03/05/2015DE102013217576A1 Verfahren und Vorrichtung zur adaptiven Betriebsführung für ein Speichersystem für ein Fotovoltaiksystem Method and apparatus for adaptive management for a memory system for a photovoltaic system
03/05/2015DE102013217573A1 Verfahren und Vorrichtung zur effizienzgesteuerten Betriebsführung für ein Speichersystem für ein Fotovoltaiksystem Method and apparatus for efficiency-driven management for a memory system for a photovoltaic system
03/05/2015DE102013217572A1 Verfahren und Vorrichtung zur optimierenden Betriebsführung für ein Speichersystem für ein Fotovoltaiksystem Method and apparatus for optimizing operational management for a memory system for a photovoltaic system
03/05/2015DE102013109611A1 Vorrichtung und Verfahren zur Steuerung der Stabilität eines Ortsnetzes mit einem regelbaren Ortsnetztransformator Apparatus and method for controlling the stability of a local network with a controllable local network transformer
03/05/2015DE102013109608A1 Verfahren zum und Einspeisesteuerung für das Einspeisen von elektrischer Leistung in einen Leitungszweig A method of and Einspeisesteuerung for feeding electrical power into a line branch
03/04/2015EP2843799A1 Wiring switching system
03/04/2015EP2843788A2 Method for operating a power plant system
03/04/2015EP2843787A1 An isochronous wind turbine generator capable of stand-alone operation
03/04/2015EP2843786A1 An elevator line bridge filter for compensating reactive power in a grid
03/04/2015EP2843785A1 Power monitoring device and power monitoring system
03/04/2015EP2842217A2 Display control device, display control method, display control program, and mobile terminal
03/04/2015EP2842213A1 A portable power supply system for an electrically driven work machine and a work machine equipped with such a power supply system
03/04/2015EP2842212A2 Energy saving and/or safety device
03/04/2015EP2841766A2 Wind farm with fast local reactive power control
03/03/2015US8972221 Estimating solar irradiance components from plane of array irradiance and global horizontal irradiance
03/03/2015US8972073 Operation planning method, operation planning device, heat pump hot water supply system operation method, and heat pump hot water supply and heating system operation method
03/03/2015US8972070 Multi-interval dispatch system tools for enabling dispatchers in power grid control centers to manage changes
03/03/2015US8972068 Operation of a power generator in a power supply network
03/03/2015US8971082 Power conditioning unit with voltage converters
03/03/2015US8971070 Interface arrangement between AC and DC systems for reliable opening of the circuit breaker in time
03/03/2015US8971066 Harmonic current suppression method and harmonic current suppression device of power conversion device
03/03/2015US8971065 System for providing an alternating current, and control apparatus and method thereof
03/03/2015US8971064 Electricity generating installation provided with means for storage of energy and control process for an installation of this type
03/03/2015US8971007 Electrical energy saving system
03/03/2015US8970635 Liquid crystal display with brightness extractor and driving method thereof for modulating image brightness by controlling the average picture level to reduce glare and eye fatigue
03/03/2015US8970222 Line fault detector
03/03/2015US8970176 DC micro-grid
03/03/2015US8970160 Supervisory system controller for use with a renewable energy powered radio telecommunications site
03/03/2015US8970071 Method and system for disconnecting a generator from a power system
03/03/2015US8970068 Pseudo-random bit sequence generation for maximum power point tracking in photovoltaic arrays
03/03/2015US8970066 Hybrid electric-power supplying system
03/03/2015US8970063 Method and arrangement for balancing voltages of series connection of storage units for electrical energy
03/03/2015US8970058 Wind power generation system, wind power generation control device and wind power generation control method
03/03/2015US8970057 Method of operating a wind turbine, wind turbine, wind turbine controlling system, and processing system
02/2015
02/26/2015WO2015026343A1 Apparatus and method for providing power interface
02/26/2015WO2015025712A1 Distributed power supply facility system
02/26/2015WO2015025426A1 Power control device, method for controlling power control device, and program
02/26/2015WO2015024950A1 Electric protection on ac side of hvdc
02/26/2015WO2015024803A1 Method and apparatus for operating a converter in a converter-based power distribution system, and power distribution system having a plurality of converter-based power transmission units
02/26/2015WO2015024583A1 Control method for self-commutated converter for controlling power exchange
02/26/2015US20150054343 Uninterruptible Power Supply Circuit
02/26/2015US20150054341 Control system for electrical outlets
02/26/2015US20150054339 Microgrid reactive power management for voltage regulation during and subsequent to islanding
02/26/2015DE102014214906A1 Verfahren zur Stabilisierung eines Energieverteilnetzes Method for stabilizing a power distribution
02/26/2015DE102014206892A1 Verfahren und Steuergerät zum Betreiben eines Energiespeichers für eine Fotovoltaikanlage Process and control device for operating an energy storage device for a photovoltaic system
02/26/2015DE102013216870A1 Photovoltaik- und Speicherwechselrichter und Photovoltaik- und Speichersystem Photovoltaic and storage inverters and photovoltaic and storage system
02/25/2015EP2840675A2 Electrical power distribution network monitoring and control
02/25/2015EP2840674A2 Systems and methods for power swing angle estimation in an electrical power system
02/25/2015EP2840673A2 Systems for active damping device for stabilizing a power grid of active sources and loads
02/25/2015EP2840545A1 Energy management system, energy management method, program, server device, and client device
02/25/2015EP2839565A2 System for managing energy consumption and corresponding method
02/25/2015EP2839562A1 Method and system for regulating power of an electricity grid system
02/24/2015US8966019 Application server for mainframe computer systems
02/24/2015US8965747 Automatic three-phase unbalanced load compensation experimental device and its control method
02/24/2015US8965594 System and method for conserving energy resources through storage and delivery of renewable energy
02/24/2015US8965592 Systems and methods for blackout protection
02/24/2015US8965588 Devices and methods for decentralized voltage control
02/24/2015US8964435 Methods and systems for operating a power converter
02/24/2015US8964423 Low weight 3-phase 5-output wire power conversion system for micro-grid
02/24/2015US8964345 Semiautomatic transfer switch with open neutral protection
02/24/2015US8963531 Output control apparatus of solar cell
02/24/2015US8963499 Battery pack, method of controlling the same, and energy storage system including the battery pack
02/24/2015US8963378 Method and apparatus for interconnecting distributed power sources
02/24/2015US8963375 Device and method for electrically decoupling a solar module from a solar system
02/24/2015US8963374 System and method for integrating wind power generation with wave power generation
02/24/2015US8963373 Grid tie solar system and a method
02/24/2015US8963372 Inverter and power converter having inverter mounted therein
02/24/2015US8963369 Distributed power harvesting systems using DC power sources
02/24/2015US8963363 Method and device for providing an electrical system alternating voltage in an aircraft
02/24/2015US8963349 Generator management system that selectively cuts off fuel to a generator to add a load to a bus
02/24/2015US8961247 Power supply system for marine drilling vessel
02/19/2015WO2015023825A1 Renewable energy power distribution system
02/19/2015WO2015023809A1 Ups systems and methods using current-controlling low-loss modes
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