| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 08/07/2013 | CN103236709A Method for coordinating and optimizing small-interference and large-disturbance damping of alternating-current and direct-current sending-end unit |
| 08/07/2013 | CN103236708A Wind electricity power stabilizing method based on hybrid energy storage |
| 08/07/2013 | CN103236707A Large-scale energy storage system and monitoring platform thereof |
| 08/07/2013 | CN103236706A Battery energy storage system based on modular multilevel AC-AC (Alternating Current-Alternating Current) converter topology |
| 08/07/2013 | CN103236705A Energy storage capacity optimization method of double energy storage systems during peak clipping and valley filling of power distribution network |
| 08/07/2013 | CN103236704A Running condition and state conversion method of PSS (power system stabilizer) adopting wide area signal |
| 08/07/2013 | CN103236703A Multiple-cluster PSS (packet switching service) coordination and optimization method for mitigating inside-and-outside correlative coupling |
| 08/07/2013 | CN103236702A Microgrid reactive power balanced allocation method based on impedance composite control |
| 08/07/2013 | CN103236701A Triggering device and triggering control method for thyristor valve block of high-voltage TSC (thyristor switched capacitor) |
| 08/07/2013 | CN103236700A Device for reducing harmonic waves of saturable reactor |
| 08/07/2013 | CN103236699A Novel device and method for controlling electric energy quality of power distribution network |
| 08/07/2013 | CN103236698A Filter |
| 08/07/2013 | CN103236697A Method for rapidly restraining chaos harmonic waves of coupling generator set |
| 08/07/2013 | CN103236696A Planning load flow calculation-aided system of power transmission network |
| 08/07/2013 | CN103236695A Power distribution network loop closing current switching method and device, and power distribution terminal |
| 08/07/2013 | CN103236694A Method applicable to optimal power flow solution of active power distribution network |
| 08/07/2013 | CN103236693A Unified electric energy quality controller |
| 08/07/2013 | CN103236692A Method for evaluating operation status of power system by utilizing probability tide |
| 08/07/2013 | CN103236691A Method of three-phase unbalance load flow calculation based on complex affine mathematical theory |
| 08/07/2013 | CN103236690A Intelligent megawatt wind power and light storage integrated power station |
| 08/07/2013 | CN103236689A Power quality diagnosis and management simulating device |
| 08/07/2013 | CN103236688A Method for calculating distribution network power supply capacity based on load characteristics |
| 08/07/2013 | CN103236686A Dynamic energy balancing method for zinc-oxide valve blocks in shunt capacitor devices |
| 08/07/2013 | CN103235227A Combined anti-island detection experiment load device |
| 08/07/2013 | CN103235199A Out-of-step separation judgment method based on frequency difference of buses at two ends of branch |
| 08/07/2013 | CN102465832B Low-voltage ride-through distributed power supply system and wind generating set |
| 08/07/2013 | CN102354989B Transient voltage control method of wind power station with constant-speed asynchronous wind turbine generator system |
| 08/07/2013 | CN102354983B Method for determining weak nodes in voltage stability based on matrix perturbation theory |
| 08/07/2013 | CN102354972B Output-side-switching-based dynamic power flow control device and control method for controllable transformer |
| 08/07/2013 | CN102347616B Reactive compensation method with resonance detection and harmonic wave overcurrent protection and device thereof |
| 08/07/2013 | CN102315642B Environmental impact assessment method of power grid planning scheme |
| 08/07/2013 | CN102306935B Dynamic power flow control device with wave trap for controllable transformer |
| 08/07/2013 | CN102290828B Cascaded photovoltaic grid-connected inverter and control method |
| 08/07/2013 | CN102255337B Calculating method for wind power field receiving capability of power grid |
| 08/07/2013 | CN102110986B Reactive power compensation device for traction substation in electrified railway |
| 08/07/2013 | CN101956665B Method and system for utilizing excess energy generated by a renewable power generation system to treat organic waste material |
| 08/07/2013 | CN101841159B Split-phase compensation self-healing type reactive compensation capacitor |
| 08/07/2013 | CN101309012B Control methods for the synchronization and phase shift of the pulse width modulation (PWM) strategy of power converters |
| 08/06/2013 | US8504851 Electronic device having power consumption adjusting feature |
| 08/06/2013 | US8504463 Bidding for energy supply |
| 08/06/2013 | US8502416 Method and circuit arrangement for connecting at least one string of a photovoltaic system to an inverter |
| 08/06/2013 | US8502415 Uninterrupted power supply unit |
| 08/06/2013 | US8502414 Power saving apparatus and power saving method thereof |
| 08/06/2013 | US8502413 Composite power supply |
| 08/06/2013 | US8502408 Power over ethernet prioritization system and method for surveillance cameras |
| 08/06/2013 | CA2439355C Mobile power generation system |
| 08/01/2013 | WO2013111858A1 Power supply switching device and switch board |
| 08/01/2013 | WO2013111790A1 Power storage system |
| 08/01/2013 | WO2013111760A1 Power usage analysis system |
| 08/01/2013 | WO2013111616A1 Charging system |
| 08/01/2013 | WO2013111541A1 Power-generation amount prediction apparatus, correction method for power-generation amount prediction, and natural energy power generation system |
| 08/01/2013 | WO2013111127A1 Charge spot device for charging electric vehicles |
| 08/01/2013 | WO2013110400A1 Power management in distribution systems by means of wireless communication |
| 08/01/2013 | WO2013110396A1 Combined heat and power plant and method for the operation thereof |
| 08/01/2013 | WO2013110279A2 A method for damping drive train oscillations in a wind turbine generator |
| 08/01/2013 | WO2013079360A3 Controlling an electrical grid with islanded operation |
| 08/01/2013 | WO2013060692A3 Tracking method and tracking device for a voltage transformer for a photovoltaic system |
| 08/01/2013 | WO2013049501A3 System for combining direct current power from multiple inputs |
| 08/01/2013 | WO2012138835A3 Photovoltaic power converter with small dc link capacitance |
| 08/01/2013 | WO2012087469A3 Method and system for control power in remote dc power systems |
| 08/01/2013 | WO2012062327A3 Method for operating a wind power generation system |
| 08/01/2013 | US20130197710 Dispatch controller for a distributed electrical power system |
| 08/01/2013 | US20130197704 Dc connection scheme for windfarm with internal mvdc collection grid |
| 08/01/2013 | US20130196720 Mobile battery partitioning system and method |
| 08/01/2013 | US20130193758 Removable Battery of Computing Device |
| 08/01/2013 | US20130193757 Dynamic load shedding system for a standby generator |
| 08/01/2013 | DE102012201427A1 Method for controlling three-phase inverter of wind turbine, involves comparing determined idle and active current values with associated reference values and specifying control variables for current on direct current side of inverter |
| 08/01/2013 | DE102012201315A1 Verfahren zur Stabilisierung eines Spannungsversorgungsnetzes Method for stabilizing a power supply network |
| 08/01/2013 | DE102012100673A1 Device for supplying electrical energy from e.g. photovoltaic current generating device to low voltage-mains supply, has switching units connected to coupling units to switch coupling units between phases based on power difference quantity |
| 08/01/2013 | CA2861955A1 Wind farm harmonic predictor, and method therefor |
| 07/31/2013 | EP2621070A1 Method and arrangement for operating a wind turbine converter |
| 07/31/2013 | EP2621049A1 Evaluation apparatus, evaluation method, and evaluation program |
| 07/31/2013 | EP2621048A1 Device and method for the disconnection and subsequent reconnection of an inverter to/from an electrical network |
| 07/31/2013 | EP2621047A2 Maximizing power in a photovoltaic distributed power system |
| 07/31/2013 | EP2621046A1 System and method for reactive power regulation |
| 07/31/2013 | EP2620705A2 Method for adjusting the feed-in power of electricity derived from biomass |
| 07/31/2013 | EP2619870A1 Black start of wind turbine devices |
| 07/31/2013 | EP2619869A1 An apparatus for controlling the electric power transmission in a hvdc power transmission system |
| 07/31/2013 | EP2619868A2 Electrical installation for an arc furnace |
| 07/31/2013 | CN203104925U Compensating device for roadway lighting single lamp |
| 07/31/2013 | CN203104354U Induction motor controller |
| 07/31/2013 | CN203104334U Photovoltaic grid-connected generating simulation apparatus |
| 07/31/2013 | CN203104121U Device for performing primary frequency modulation of generator set by use of PMU frequency information |
| 07/31/2013 | CN203104117U Tuner type remote control metering filtering compensation device for power system |
| 07/31/2013 | CN203103988U Three-phase power feedback device and alternating-current drive system |
| 07/31/2013 | CN203103987U Device for low voltage ride through control of photovoltaic inverter |
| 07/31/2013 | CN203103986U High power quality photovoltaic inverter suitable for distributed power generation |
| 07/31/2013 | CN203103985U Intelligent control device for permanent-magnet direct-drive wind generating set |
| 07/31/2013 | CN203103984U Wind power field model check system based on trace sensitivity method |
| 07/31/2013 | CN203103983U Hybrid-clamping type three-level three-phase four-wire photovoltaic system based on 3D-SPWM |
| 07/31/2013 | CN203103982U Maximum power tracking control system of two-stage grid-connected photovoltaic inverter |
| 07/31/2013 | CN203103981U Energy recovery device for electric vehicle |
| 07/31/2013 | CN203103980U Electric control system of asynchronous wind generating set |
| 07/31/2013 | CN203103979U 智能开关电容器 Smart Switch Capacitor |
| 07/31/2013 | CN203103978U Intelligent high-voltage reactive multi-stage compensation device |
| 07/31/2013 | CN203103977U PFC circuit used for dimmable LED lamp |
| 07/31/2013 | CN203103976U Wattless dynamic adjusting device for electric power grid |
| 07/31/2013 | CN203103975U Triggering device used for power grid reactive compensation |
| 07/31/2013 | CN203103974U Monitor triggering plate used for magnetically controlled reactor |
| 07/31/2013 | CN203103973U Monitorable magnetically controlled reactor |