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)
10/2013
10/17/2013US20130270914 Method and system for regulating power of an electricity grid system
10/17/2013US20130270909 Power strip
10/17/2013US20130270908 Load Shed Control Module For Use With Electrical Generator
10/16/2013EP2651000A2 Method for synchronising a generator with a grid
10/16/2013EP2650999A2 Multi module voltage source converter for a HVDC system
10/16/2013EP2650998A1 Cascade converter station and multi-end cascade hvdc power transmission system
10/16/2013EP2650997A1 Power transfer in variable frequency electric power generation systems
10/16/2013EP2650840A1 Electric power management system
10/16/2013EP2649696A1 Control system
10/16/2013EP2649309A1 Dynamic adjustment of power plant output based on electrical grid characteristics
10/16/2013DE202013007892U1 Dreiphasen-Regeldrossel Three phase control throttle
10/16/2013CN203243271U MCR control trigger device based on TC797A
10/16/2013CN203243246U Small-power solar power source inversion device
10/16/2013CN203243117U Integrated control system of wind power system, photovoltaic power system and energy storage system
10/16/2013CN203243058U Solar power generation household distributed grid connection apparatus utilizing superconductive transformer
10/16/2013CN203243057U Megawatt-level blower fan frequency-modulating system
10/16/2013CN203243056U High/middle-voltage reactive compensation composite structure
10/16/2013CN203243055U Intelligent synchronous zero crossing switch for low-voltage capacitor
10/16/2013CN203243054U Intelligent low-voltage filter compensation module
10/16/2013CN203243053U Standby power supply system of thermal power plant
10/16/2013CN203243052U Back-to-back 35kV indoor-type SVG dynamic reactive power compensation device
10/16/2013CN203243051U Air-cooled 35kV outdoor SVG dynamic reactive power compensation device
10/16/2013CN203243050U Voltage-regulating type voltage reactive compensation device
10/16/2013CN203243049U 无功补偿节能装置 Reactive power compensation energy-saving devices
10/16/2013CN203243048U Low-voltage reactive power automatic compensation device
10/16/2013CN203243047U Mixed type continuous reactive power compensator in low-voltage complete equipment
10/16/2013CN203243046U Strong-electromagnetic-environment voice line purifying device
10/16/2013CN203243045U Novel power distribution network electric energy quality control device
10/16/2013CN203243044U UPS harmonic suppression device
10/16/2013CN203243043U Harmonic elimination apparatus
10/16/2013CN203243042U 容性负载有源滤波器 Capacitive load APF
10/16/2013CN203243041U Parallel-connection filtering compensation device in low-voltage solid-state soft-starting equipment
10/16/2013CN203243040U Inductance filtering gainer
10/16/2013CN203243037U Branching device circuit having lightning protection and filtering effect simultaneously
10/16/2013CN203242456U Dynamic reactive compensation three-phase dry type iron core series reactor
10/16/2013CN103354968A Arrangement for feeding electrical energy into an energy supply network
10/16/2013CN103354440A Dust collector controller with harmonic wave suppression
10/16/2013CN103354365A Intelligent power adjusting method for photovoltaic power station
10/16/2013CN103354364A Convergence system, and method for improving generating efficiency of photovoltaic system
10/16/2013CN103354363A Micro-grid power balance control method using large power grid as virtual energy storage
10/16/2013CN103354362A Method for solving problem of unstable electrical network caused by experiment
10/16/2013CN103354361A Low-voltage three-phase load automation balancing device
10/16/2013CN103354360A Low-voltage complete reactive power compensation device
10/16/2013CN103354359A Phase angle margin compensation-based system impedance active control method of grid -connected inverter
10/16/2013CN103354358A Energy Internet with topologic structure
10/16/2013CN103350935A Energy-saving control system
10/16/2013CN102510107B Method for acquiring driving components of branch transmission power in power network
10/16/2013CN102434373B Speed controller intelligent starting control method based on pumped-storage set
10/16/2013CN102403724B Symmetrical obtaining method for nodal voltage sensitivity in alternating-direct current parallel-serial power grid
10/16/2013CN102355003B Control method and device for single-phase grid-connected photovoltaic power generation system
10/16/2013CN102354982B 能量回馈电梯系统 Elevator energy feedback system
10/16/2013CN102324741B Micro-power grid off-grid energy balance and control device and method
10/16/2013CN102255603B Comprehensive control system and method based on high voltage motor control and reactive power compensation
10/16/2013CN102255588B Variable-frequency speed regulating device
10/16/2013CN102148508B Application of power combination technology based on phase shift pulse-width modulation (PMW) control policy in photovoltaic grid-connected system
10/16/2013CN102144345B Method for controlling interconnection system
10/16/2013CN102104250B Electricity generation system using natural energy, electric power arithmetic device and method
10/16/2013CN102084570B Power storage device for electric power generation system and method for operating the power storage device
10/16/2013CN102013933B Method for realizing synchronous sampling by local area extension sets in smart grid
10/16/2013CN101919132B Apparatus and method for operating a wind turbine under low utility grid voltage conditions
10/16/2013CN101809837B Aerogenerator device
10/16/2013CN101651347B Parallel-connection type active power filter
10/16/2013CA2813020A1 Method and system for regulating power of an electricity grid system
10/15/2013US8559150 Electric circuit breaker
10/15/2013US8558408 System and method for providing redundant power to a device
10/15/2013DE202013008030U1 Neues Energie-Speichersystem New energy storage system
10/15/2013CA2784306C Control method for low voltage ride through
10/10/2013WO2013152333A1 Photovoltaic self - test system with combiner switching and charge controller switching
10/10/2013WO2013152138A1 Producing and supplying stable power from renewable resources
10/10/2013WO2013151993A1 Devices, methods and systems for monitoring distributed energy conservation measures
10/10/2013WO2013151154A1 Short-circuit capacity observation method for power grid, and system thereof
10/10/2013WO2013151133A1 Power distribution apparatus and power supply system
10/10/2013WO2013150405A1 Smoothing power output from a wind farm
10/10/2013WO2013149899A1 Method for determining measuring points in low-voltage networks, and network management subsystem for carrying out the method
10/10/2013WO2013149633A1 A power converter
10/10/2013WO2012123559A3 Mains-coupled inverter, inverter arrangement and method for operating an inverter arrangement
10/10/2013US20130265030 Power Conversion Device, Control Device for Power Conversion Device, and Control Method for Power Conversion Device
10/10/2013US20130264882 Power generation and distribution system for a wind turbine
10/09/2013EP2648314A1 Natural energy storage system
10/09/2013EP2648305A1 System for collecting power in a photovoltaic power plant
10/09/2013EP2648304A2 Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle
10/09/2013EP2648303A1 Method of controlling the energy consumption in an energy network
10/09/2013EP2648302A2 Active network management
10/09/2013EP2648301A1 Method of electrical protection of a synchronous machine and electric power generation plant for powering an electric network
10/09/2013EP2648007A1 Detection device and method, and program
10/09/2013EP2647840A1 Method for operating a wind turbine
10/09/2013EP2647756A2 Apparatus and method for controlling the energy usage of an appliance
10/09/2013EP2647098A1 Improvements in and relating to wind farms
10/09/2013EP2647097A1 Reactive power compensator, computer programs and computer program products
10/09/2013EP2498363B1 Electrical distribution network improvement for plug-in electric vehicles
10/09/2013CN203233185U Distributed self-generating grid-connected system
10/09/2013CN203233184U Dispatching system of wind power station
10/09/2013CN203233183U Low voltage reactive power automatic compensation controller based on digital signal processor
10/09/2013CN203233182U No-load reactive power compensation device of distribution transformer
10/09/2013CN203233181U Modular power cabinet of static var generator
10/09/2013CN203233180U Double-zero-crossing execution module
10/09/2013CN203233179U Wind power prediction system
10/09/2013CN203233177U Branching device circuit with capability of lightning protection
10/09/2013CN203233070U Intelligent distribution box
10/09/2013CN103348554A On-load tap changer control method for power excitation chain, related unit and power excitation chain comprising such unit
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