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)
08/2013
08/14/2013CN103248047A Grid wide area control protecting system
08/14/2013CN103248046A Medium voltage distribution network wiring network
08/14/2013CN103248045A Design method for constant speed sliding mode frequency controller of uncertain power system
08/14/2013CN103248044A Load flow calculation method and system for power distribution network
08/14/2013CN103248043A Power system multi-zone distributed state estimation method based on synchronous phase angle measurement device
08/14/2013CN103248042A Peak shifting and avoiding method for electric management system
08/14/2013CN103248041A Looped network detection method based on bus depth conflict calculation
08/14/2013CN103248040A Method and device for discharging an intermediate circuit of a power supply network
08/14/2013CN103248039A Method for preventing system impact after single-phase earth fault arc extinction
08/14/2013CN103248015A Rapid short-circuit protection system for direct current bus of energy storage converter
08/14/2013CN103247430A Quick-response separately excited magnetically controlled reactor
08/14/2013CN102510094B Combined cycle and pure condensed steam thermal power scheduling system and method
08/14/2013CN102354976B Rapid network topology analysis method
08/14/2013CN102299520B Reactive power compensation method and system for micro power grid
08/14/2013CN102280888B Direct current side voltage control method of three-phase four-leg active power filter
08/14/2013CN102237691B Wind energy and solar energy grid-connected generation system and control method thereof
08/14/2013CN102122823B Method for positioning oscillation disturbance source in power system
08/14/2013CN102007663B Apparatus and method for transmission line control
08/14/2013CN101340090B Method of determining voltage stability margin for load shedding within an electrical power system
08/13/2013US8508075 Electronic device and electronic system
08/08/2013WO2013116814A1 Systems approach to photovoltaic energy extraction
08/08/2013WO2013116586A2 Dc connection scheme for windfarm with internal mvdc collection grid
08/08/2013WO2013116085A2 Methods and systems for requesting compliance with a requirement over a network
08/08/2013WO2013115940A1 Method and apparatus for managing the distribution of electrical energy in a power distribution grid
08/08/2013WO2013115915A1 Control and protection of a dc power grid
08/08/2013WO2013115688A1 Power conversion system
08/08/2013WO2013113380A1 Updating data of a controller of a primary device of a power substation
08/08/2013WO2013049349A3 Methods and apparatus for high-frequency electrical power collection and transfer
08/08/2013WO2012106431A8 System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management
08/08/2013US20130200879 System for charging displays
08/08/2013US20130200730 Energy upload device
08/08/2013US20130200729 Device for Reducing Standby-Mode Energy Consumption of an Electric Household Appliance
08/08/2013US20130200704 Systems and Methods for the Timed Power Up of Electronic Devices
08/08/2013US20130200703 Intellectual power controlling system
08/08/2013US20130200633 Method and apparatus for removal of harmonic noise
08/08/2013DE102012201833A1 Method for stabilizing smart grid power supply network for providing protection against interference by unauthorized network stability, involves obtaining alteration of configured parameters by gateway around determined time constant
08/08/2013DE102012100864A1 Method for distributing total amount of current of local generator e.g. wind-power plant, involves executing consumption program, feed program and excess program, with which excess current amount is consumed by excess current consumer
08/08/2013DE102012002344A1 Method for management of load of electrical network for wind energy plant, involves forming consumer apparatus as electrical heating element working on heating water circuit of heating system of current customers
08/08/2013DE102012001927A1 Method for controlling electrical energy and substituting with load, involves controlling electrical power of transmission network operator and supplying electrical power bivalently and equivalently to load with another power supply
08/07/2013EP2624405A1 System connection device and system connection system
08/07/2013EP2624404A1 System connection device and system connection system
08/07/2013EP2624403A1 Direct electric heating system for heating a subsea pipeline
08/07/2013EP2623838A1 Direct electric heating system for heating a subsea pipeline
08/07/2013EP2622713A1 System and method to manage power usage
08/07/2013EP2622705A1 Coordinated control of multi-terminal hvdc systems
08/07/2013EP2622704A1 Power conversion system for energy storage system and controlling method of the same
08/07/2013EP2622703A2 Power allotment distribution in a data center
08/07/2013EP2622702A2 Photovoltaic power plant
08/07/2013EP2622701A2 Load-management system and load management method for electrical loads
08/07/2013EP2041853B1 A load management controller for a household electrical installation
08/07/2013CN203119927U FlexRay network node adopting iCoupler magnetic isolation protective measures
08/07/2013CN203119770U Multi-motor-driving frequency-converting and energy-saving device based on common DC bus and pumping unit
08/07/2013CN203119751U Third triple tuned AC filter
08/07/2013CN203119680U Test system of flywheel storage energy device
08/07/2013CN203119617U Distributed direct-current independent power supply system for transformer substation
08/07/2013CN203119615U Distributed direct-current independent power supply system
08/07/2013CN203119500U Piconet system structure for constructing high-efficiency micro grid
08/07/2013CN203119499U A full-power wind-driven electrical power generating system containing coaxial mixed generators
08/07/2013CN203119498U 光伏逆变器控制系统 PV inverter control system
08/07/2013CN203119497U Intelligent peak-load-shifting power supply system
08/07/2013CN203119496U Electricity saver for EM system
08/07/2013CN203119495U TSC (thyristor switched capacitor) type triggering device of low-voltage dynamic switching switch
08/07/2013CN203119494U Line-end low-voltage reactive power compensation device
08/07/2013CN203119493U Reactive power compensation device
08/07/2013CN203119492U Shell for integrated type reactive power compensation device
08/07/2013CN203119491U 集成式无功功率补偿装置 Integrated reactive power compensation device
08/07/2013CN203119490U Handcart moving-away type capacitor compensating tank
08/07/2013CN203119489U Automatic compensation capacitor cabinet for hydrogen peroxide production
08/07/2013CN203119488U Mining flame-proof type reactive power compensation device
08/07/2013CN203119487U Side plate structure of low-voltage reactive power compensation cabinet
08/07/2013CN203119486U Flexible reactive compensation device
08/07/2013CN203119485U Control circuit of flexible reactive power compensator
08/07/2013CN203119484U Series dynamic voltage regulator based on SOPC
08/07/2013CN203119483U Primary adjusting rural power grid low-voltage line end compensator
08/07/2013CN203119482U Secondary adjusting rural power grid low-voltage line end compensator
08/07/2013CN203119481U Intelligent power-saving electricity larceny prevention control device
08/07/2013CN203119480U Monte Carlo method based power grid load loss calculating system
08/07/2013CN203119479U Shore-based power supplying system
08/07/2013CN203119478U Low-voltage six-phase power distribution system
08/07/2013CN203119460U Lightning-protection turnout signal indication rectifier
08/07/2013CN203118748U Novel transformer and novel transformer operation system
08/07/2013CN103238270A System, method and apparatus for AC grid connection of series-connected inverters
08/07/2013CN103238259A High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems for said systems
08/07/2013CN103238258A Reactive power compensator, computer programs and computer program products
08/07/2013CN103238197A Magnetizing inrush current suppression device
08/07/2013CN103236800A Novel topological structure voltage source type inverter and adjusting method
08/07/2013CN103236747A Photovoltaic power supply hybrid energy storage system
08/07/2013CN103236743A Combined intelligent amorphous alloy transformer
08/07/2013CN103236741A System and method for comparing advantages and disadvantages in wind turbine arrangement
08/07/2013CN103236727A Intelligent equipment for controlling sequential charging and discharging of storage battery according to power generation capacity of new energy sources
08/07/2013CN103236719A Wind power bundling control method after wind power and thermal power accessing to power grid
08/07/2013CN103236718A Source-network-load automatic control system and method for intelligent microgrid
08/07/2013CN103236717A Synchronous reference voltage based multiple PWM (pulse width modulation) converter parallel operation control method
08/07/2013CN103236716A Off-grid type direct current-alternating current system
08/07/2013CN103236715A Regulating method for speed regulator mechanical open limit of generation set
08/07/2013CN103236714A Generator tripping computing method for power system
08/07/2013CN103236713A Micro-grid network, method for controlling same and bidirectional converter for micro-grid
08/07/2013CN103236712A Direct-current micro-grid system and control method thereof
08/07/2013CN103236711A Topological structure of high-voltage direct-current transformer for double-fed wind generator set
08/07/2013CN103236710A Unified power flow controller in modular structure
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