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)
09/2012
09/12/2012EP2498366A1 Power distribution system
09/12/2012EP2498365A1 Electric power interchange system
09/12/2012EP2498364A1 Power distribution system
09/12/2012EP2498363A1 Electrical distribution network improvement for plug-in electric vehicles
09/12/2012EP2498362A1 Power distribution system and protection method for main line thereof
09/12/2012EP2498361A1 Power distribution system for building and protection method for main line thereof
09/12/2012EP2497178A1 Power generation system and method with voltage fault ride-through capability
09/12/2012EP2497177A2 Dynamic distributed power grid control system
09/12/2012CN202435056U Solar grid-connected generation control device for micro smart grid
09/12/2012CN202435055U DFIG (Doubly Fed Induction Generator) wind power system with active Crowbar circuit
09/12/2012CN202435054U Low-voltage ride-through device of wind turbines
09/12/2012CN202435053U Small microgrid operation control device based on distributed new energy
09/12/2012CN202435052U Wind power converter loop control circuit
09/12/2012CN202435051U Electric energy feedback power-saving device for frequency conversion alternating current motor
09/12/2012CN202435050U Distributed energy storage system of wind power station
09/12/2012CN202435049U Novel high-voltage series voltage compensation device
09/12/2012CN202435048U Micro-grid system based on various distributed power supplies and energy storage units
09/12/2012CN202435047U Reactive power adjustable parallel reactor
09/12/2012CN202435046U Common compensation combination switch
09/12/2012CN202435045U Tuning type reactive compensation device
09/12/2012CN202435044U Special powerless compensation capacitor for submerged arc furnace
09/12/2012CN202435043U Reactive compensation device for single AC (alternating current) electric welding machine
09/12/2012CN202435042U Low-voltage reactive power static compensating device
09/12/2012CN202435041U Intelligent logic control device for reactive power compensation of electric network
09/12/2012CN202435040U Full-automatic compensation filter circuit
09/12/2012CN202435039U Reactive compensation system based on GPRS
09/12/2012CN202435038U Reactive power compensation system on remote monitoring post
09/12/2012CN202435037U Separated compensation combination switch
09/12/2012CN202435036U Filtering device at wind generating set side
09/12/2012CN202435035U Super capacitor and low-order harmonic eliminating capacitor compensating circuit structure
09/12/2012CN202435034U Mixing active electric power filtering apparatus
09/12/2012CN202435033U High voltage distribution network connecting wire structure
09/12/2012CN202435032U Operation self-adjusting system for micro power grid of small wind power generation station
09/12/2012CN202435031U Power supply control circuit of lubrication station
09/12/2012CN202434908U Intelligent lamplight energy saving device
09/12/2012CN202434286U Connection separator for fence framework of dry-type air-core reactor
09/12/2012CN102668362A Asynchronous generator system and wind turbine having an asynchronous generator system
09/12/2012CN102668303A Electric power interchange system
09/12/2012CN102668302A 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
09/12/2012CN102668301A Power distribution system
09/12/2012CN102668300A Electric power management system
09/12/2012CN102668299A Power station regulating system
09/12/2012CN102668298A Phase angle drift detection method for loss of mains/grid protection
09/12/2012CN102668297A Power supply system
09/12/2012CN102668296A Power oscillation damping employing a full or partial conversion wind turbine
09/12/2012CN102668295A Method and apparatus for improving the operation of an auxiliary power system of a thermal power plant
09/12/2012CN102668294A System to store and to transmit electrical power
09/12/2012CN102667144A Output control method and output control device for wind-powered electricity generating facility
09/12/2012CN102664586A Energy saving method for alternating current asynchronous motor
09/12/2012CN102664578A Distributed control system of diesel generators
09/12/2012CN102664549A Cascade inverter voltage balance and control method based on power device on-off distribution
09/12/2012CN102664430A Automatic generation control (AGC) method for generating sets of hydropower station
09/12/2012CN102664429A Grid-connected non-networking micro-grid system and control protection method thereof
09/12/2012CN102664428A Low-voltage ride-through system and testing method thereof
09/12/2012CN102664427A Active and reactive coordination control method for permanent-magnet direct-driven wind turbines in low-voltage ride-through process
09/12/2012CN102664426A Anti-normalization interval correction method for improving air speed prediction precision of SVM (Support Vector Machine)
09/12/2012CN102664425A Three-phase photovoltaic grid-connected system based on novel Z-source inverter
09/12/2012CN102664424A Device for improvement of voltage ride-through and control method thereof
09/12/2012CN102664423A Wind power station energy storage capacity control method based on particle swarm optimization
09/12/2012CN102664422A Method for smoothing output power of wind power station by utilizing energy storage system
09/12/2012CN102664421A Energy storage battery system power giving method for stabilizing wind power grid connection power fluctuation
09/12/2012CN102664420A Method for judging reactive power oscillation source of power grid
09/12/2012CN102664419A Capacity-adjustable parallel compensating capacitor
09/12/2012CN102664418A PLC (programmable logic controller)-based on-line monitoring method in STATCOM (static synchronous compensator)
09/12/2012CN102664417A Control method and device for secondary voltage
09/12/2012CN102664416A Prevention and control method of power safety accident risk caused by load shedding
09/12/2012CN102664415A Classified microgrid networking system based on terminal users
09/12/2012CN102664414A Dynamic voltage compensator
09/12/2012CN102664413A Method for controlling harmonic current of full-power converter for suppressing wind power grid integration and controller
09/12/2012CN102664412A Harmonic current suppression system of intermediate frequency furnace
09/12/2012CN102664411A Wind power generation system with maximum power tracking and control method thereof
09/12/2012CN102664410A Novel energy output analog application system
09/12/2012CN102664409A Real-time prediction calculation method based on measured data for wind power of wind power station
09/12/2012CN102664408A Network reconfiguration technology of power supply and distribution network based on multiple generator sets
09/12/2012CN102664407A Method and system for designing boosting transformer of new energy electric field
09/12/2012CN102664406A Method for estimating shortest radius of small-interference security domain
09/12/2012CN102664405A Method for estimating shortest radius of transient-state security domain
09/12/2012CN102664404A Asynchronous iterative load flow calculation system based on grid middleware
09/12/2012CN102664403A Energy saver with visible power-saving effect
09/12/2012CN102664402A Power management unit (PMU) optical configuration method for ship electrical power system based on direct solvable power flow
09/12/2012CN102664401A Power grid control method based on battery service life model
09/12/2012CN102664400A Monitoring method for electric energy quality
09/12/2012CN102664399A Establishment method of RTDS-EMS (real time digital simulator-energy management system) system-level closed-loop control experiment simulation platform
09/12/2012CN102664398A Maximum power supply capability computation method based on N-1 approximation
09/12/2012CN102664397A Electric power system transient stability simulation method based on implicit fine numerical integral
09/12/2012CN102664354A Multifunctional low voltage distribution cabinet
09/12/2012CN101895121B Low-frequency and low-voltage load-reducing control method based on multi-agent technology
09/12/2012CN101895118B Method for suppressing harmonics of power network current of variable-speed constant-frequency doubly-fed wind power generator system
09/12/2012CN101764405B Multicycle and multidimensional integrated maintenance scheduling optimization and safety analysis method
09/12/2012CN101753612B System and method for remotely monitoring power grid by utilizing reactive power compensation device
09/12/2012CN101572416B Method for controlling diesel generating set parallel connection by using computer
09/12/2012CN101095270B A method and a device for controlled reclosing of a circuit breaker
09/11/2012US8264859 Direct power converting apparatus
09/11/2012US8264101 Beam power with multiple power zones
09/11/2012US8264100 Electric power generating system for multiple sources and interface to an AC grid
09/11/2012US8264099 Portable display for adaptive power strip
09/11/2012US8263276 Startup power control in a fuel cell system
09/07/2012WO2012118810A2 Simultaneous detection of communications signals on all phases of a multi-phase power distribution network
09/07/2012WO2012118654A2 Photovoltaic energy extraction with multilevel output dc-dc switched capacitor converters
09/07/2012WO2012118184A1 Charging power control system
1 ... 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 ... 387