Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2012
03/15/2012WO2012034114A2 A method and system for controlling a building load in tandem with a replenishable energy source in order to increase the apparent size of the replenishable energy source
03/15/2012WO2012034104A1 Energy storage devices and methods for using same
03/15/2012WO2012033254A1 Energy storage system and controlling method of the same
03/15/2012WO2012032947A1 Method for power visualization and device for power visualization
03/15/2012WO2012032776A1 Power control device, power control method, and power supply system
03/15/2012WO2012032487A2 Method for automatically re-phasing the current of a domestic electrical network
03/15/2012WO2012032317A1 An apparatus and method for controlling power
03/15/2012WO2012031992A2 Method for stabilizing an electric grid
03/15/2012WO2012031866A1 Method for switching to a more favorable consumption tariff for a domestic appliance, and domestic appliance suitable for said method
03/15/2012WO2012031819A1 Method for the computer-aided control of a technical system
03/15/2012WO2011154273A3 Power transmission device
03/15/2012WO2011074950A3 Distributed status calculations in an electricity network with the aid of agents
03/15/2012US20120066522 Power supply device and image forming apparatus
03/15/2012US20120063182 Converter control system
03/15/2012US20120062044 Methods and Systems for Operating a Two-Stage Power Converter
03/15/2012US20120062033 Power supply circuit using rechargeable battery
03/15/2012US20120062026 Power and Data Solution for Remote Low-Power Devices
03/15/2012DE102011110197A1 System, insbesondere lokales Energieverteilungssystem, mit einem Zwischenkreis, Verfahren zur Regelung des Energieflusses in einem System und verwendung von in verschiedenen Gehäusen angeordneten Stellern eines Systems System, particularly local power distribution system, with an intermediate circuit, method for controlling the flow of energy in a system and use of arrayed in different housings controllers of a system
03/15/2012DE102011013247A1 Device for suppressing asymmetric electromagnetic interference on asymmetric electric high power line e.g. direct current line, has compensation circuit generating compensation signal and comprising passive filter component
03/15/2012DE102010045103A1 Method for supplying power to load e.g. sensor installed in rotary machine of building automation plant, involves applying tap voltage to load mounted on carrier coated with insulating layer made of magnetic permeable material
03/15/2012DE102010044822A1 Hybrid energy installation, has energy storage plant whose water surfaces are located at different height levels such that water surfaces of energy storage system are simultaneously used in energy recovery plant
03/15/2012DE102010040613A1 Isolated network for use in pipeline distribution station in e.g. airplane for decentralized generation of electrical energy, has dynamoelectric machine and electrical operating unit suitable for frequency greater than specific hertz
03/15/2012DE102010033633B4 Einschalt-Steuerungsverfahren und Einschalt-Steuerungsvorrichtung Power-control method and power-control device
03/15/2012CA2810977A1 Method for automatically re-phasing the current of a domestic electrical network
03/14/2012EP2429073A2 Power converters
03/14/2012EP2429053A2 Method and apparatus for power control
03/14/2012EP2429052A2 Computer system comprising at least two power supply units and at least one power-consuming component and method for controlling a computer system
03/14/2012EP2429051A2 Limitation of the loading of a power source
03/14/2012EP2427949A2 Voltage conservation using advanced metering infrastructure and substation centralized voltage control
03/14/2012EP2427942A1 Method of adapting a configuration of a voltage converting device and voltage converting unit for a voltage converting device
03/14/2012EP2427940A1 Monitoring apparatus
03/14/2012EP1460752B1 A parallel feed-forward compensating type power factor correction circuit for a three-phase power source
03/14/2012CN202168026U Speed regulating device of high-power direct current motor rectified by multi-pulse
03/14/2012CN202168013U 用于通讯基站的太阳能发电系统 Solar power system for communication base station
03/14/2012CN202168011U Solar grid-connected power generation system for subway station
03/14/2012CN202168009U Illumination and generation system for underground parking lot based on solar energy
03/14/2012CN202167997U 一种带有能量回馈功能的游梁式抽油机节能净化电源 Beam pumping unit features a regenerative energy with clean power
03/14/2012CN202167895U Wind/photovoltaic power predication system
03/14/2012CN202167864U 一种数控铣床的节能馈电装置 One kind of CNC milling energy feeding apparatus
03/14/2012CN202167863U 高效节能自循环电子负载 Energy efficient self-loop electronic load
03/14/2012CN202167862U Grid-connected solar photovoltaic staggered parallel flyback inverter
03/14/2012CN202167861U Wind power generation energy storage device based on gray model control
03/14/2012CN202167860U 智能型储能机 Intelligent energy storage machine
03/14/2012CN202167859U Arc furnace reactive power hybrid compensation system
03/14/2012CN202167858U Intelligent split-phase reactive compensation device
03/14/2012CN202167857U Real-time control equipment for reactive power optimization of distributed electric power
03/14/2012CN202167856U Automatic high-voltage dynamic reactive compensation cabinet
03/14/2012CN202167855U Small-sized compact type outdoor high voltage capacitance compensation complete equipment
03/14/2012CN202167854U DSP (Digital Signal Processor) control device used for reactive compensation controller
03/14/2012CN202167853U Magnetic control reactor
03/14/2012CN202167852U Passive filtering device with adjustable inductance parameters
03/14/2012CN202167851U 机载直流雨刷电动机滤波电路 Airborne DC wiper motor filter circuit
03/14/2012CN202167850U Power distribution monitoring system device
03/14/2012CN102379076A DC voltage compensation in a multi-terminal hvdc power transmission network
03/14/2012CN102379075A Power device and power control system
03/14/2012CN102377362A Control method for voltage-source-type unit power factor high-temperature superconducting energy storage converter
03/14/2012CN102377196A Line and neutral point clamped inverter
03/14/2012CN102377195A Isolated operation detection device
03/14/2012CN102377194A Wind power generation grid connection switching system and method thereof
03/14/2012CN102377193A HVDC connection of wind turbine
03/14/2012CN102377192A Direct-driving wave power-generating and energy-storing device and control method
03/14/2012CN102377191A Voltage instantaneous fluctuation prevention protector for elasticizer
03/14/2012CN102377190A Grid frequency rate limiting system
03/14/2012CN102377189A Optimal configuration and operation method for reactive compensation of wind farm
03/14/2012CN102377188A Voltage surge-free method for cutting off thyristor valve group by thyristor controlled reactor (TCR) and fiber channel (FC) sharing switch
03/14/2012CN102377187A Reactive compensation system on remote monitoring post
03/14/2012CN102377186A Dynamic reactive power compensation method and system
03/14/2012CN102377185A Dynamic reactive compensation and active filtration system and control method thereof
03/14/2012CN102377184A Three-phase system voltage regulating energy saver
03/14/2012CN102377183A Reactive power controller with high speed response
03/14/2012CN102377182A Load shed system for demand response without AMI/AMR system
03/14/2012CN102377181A Device for improving electric energy and manufacturing method thereof
03/14/2012CN102377180A Power system load modeling method based on electric energy quality monitoring system
03/14/2012CN102377179A Information processing apparatus and computer readable medium
03/14/2012CN102377178A Extra-high voltage resonance pressure measuring compensation capacitor tower
03/14/2012CN102377175A Short circuit current limiting device for harmonic suppression and reactive compensation
03/14/2012CN102377112A Voltage-regulating and power-saving power distribution cabinet
03/14/2012CN102375726A Method for dynamically adjusting icon display and local topological connection display of transformer and distribution substation equipment as well as pole and tower equipment
03/14/2012CN102374130A Generation road system
03/14/2012CN101577485B Wide band filter
03/13/2012US8135499 Load shedding of a selected substation by an electric utility
03/13/2012US8134255 Noise cancellation circuit, analog signal processing circuit, and electronic instrument
03/13/2012US8134253 Load driving circuit, integrated circuit, DC-DC converter, and load driving method
03/13/2012CA2470630C Determining an operational limit of a power transmission line
03/08/2012WO2012031278A1 Automated facilities management system
03/08/2012WO2012030947A1 System and method for paralleling electrical power generators
03/08/2012WO2012030772A2 Power demand surge management circuit
03/08/2012WO2012030238A1 Inductive power transfer pick up circuits
03/08/2012WO2012030043A1 Device for transmitting/receiving power using ship
03/08/2012WO2012029901A1 Power supply system
03/08/2012WO2012029145A1 Power management device
03/08/2012WO2012029093A1 Frequency control apparatus and charging system
03/08/2012WO2012028150A2 Control of electric output of a wind park
03/08/2012WO2012028146A1 Optimization of energy storage device usage in wind energy applications
03/08/2012WO2011154532A3 Method for feeding electrical power into a three-phase ac voltage system
03/08/2012WO2011124470A3 Power supply system for marine drilling vessel
03/08/2012WO2011101687A3 Powering of devices
03/08/2012WO2011101686A3 Powering of devices
03/08/2012WO2011077134A3 Power generation apparatus
03/08/2012WO2011049661A3 System and method for reinjection of retard energy in a trolley-based electric mining haul truck
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