Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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06/26/2013 | CN203026953U Low voltage power capacitor device |
06/26/2013 | CN203026952U Star chain-type STATCOM (static synchronous compensator) device with unbalanced current compensation function |
06/26/2013 | CN203026951U Linear triple harmonic blocking circuit in grid-connected power station system |
06/26/2013 | CN203026950U Wall-mounted active filter |
06/26/2013 | CN203026949U Dynamic harmonic wave treating and compensating module |
06/26/2013 | CN203026948U Rack-mounted active filter |
06/26/2013 | CN203026947U Active power filter |
06/26/2013 | CN203026946U Modular active power filter |
06/26/2013 | CN203026945U Energy-saving device for absorbing harmonic waves in power grid |
06/26/2013 | CN203026944U Intelligent motor electricity-saving device |
06/26/2013 | CN203026943U Mixed load power saving device and power supply system |
06/26/2013 | CN203026942U Current tracking equipment of electric network |
06/26/2013 | CN203026928U Separated type intelligent lightening protection system for wireless communication base station |
06/26/2013 | CN203026838U 无功补偿柜 Reactive power compensation cabinet |
06/26/2013 | CN203026333U Multifunctional electric power electronic reactor |
06/26/2013 | CN103181144A Microgrid control system |
06/26/2013 | CN103181070A Voltage control in a direct current power system |
06/26/2013 | CN103181052A Method for stabilizing an electric grid |
06/26/2013 | CN103181051A A method of operating a maximum power point tracker |
06/26/2013 | CN103181050A Inductive power transfer pick up circuits |
06/26/2013 | CN103181048A Voltage balancing of symmetric hvdc monopole transmission lines after earth faults |
06/26/2013 | CN103180164A Dispatching mobile energy resources to respond to electric power grid conditions |
06/26/2013 | CN103179012A FlexRay network node adopting iCoupler magnetic isolation protecting measures |
06/26/2013 | CN103178766A Novel single-phase magnetically controlled reactor |
06/26/2013 | CN103178765A Magnetically controlled reactor trigger control device based on TC797A |
06/26/2013 | CN103178756A Intelligent control method capable of reducing higher harmonics for pumping unit |
06/26/2013 | CN103178705A Method and device for controlling power-factor correction circuit |
06/26/2013 | CN103178620A Mobile photovoltaic power generation and off-peak electricity energy storage control system for lithium batteries |
06/26/2013 | CN103178614A System and method of controlling operation of electric device |
06/26/2013 | CN103178598A Single phase redundant power supply systems for reducing phase current imbalances |
06/26/2013 | CN103178552A Energy-saving method for distributing load for thermal power generating units by combining dynamic unit combination with equation incremental rate |
06/26/2013 | CN103178551A Offshore oilfield group power grid power optimization control method |
06/26/2013 | CN103178550A Three-phase swarm micro-inverter system with cluster adjuster and control method |
06/26/2013 | CN103178549A Control system and control method for photovoltaic auxiliary grid-connected power generation |
06/26/2013 | CN103178548A Symmetrical fault ride-through control method of double-fed wind generator set |
06/26/2013 | CN103178547A Micro-network system with two-way inverter, and operating method of micro-network system |
06/26/2013 | CN103178546A Low voltage generator used for low voltage ride through testing and voltage control method of low voltage generator |
06/26/2013 | CN103178545A Power grid current harmonic complementary circuit and control method for photovoltaic grid-connected inverter |
06/26/2013 | CN103178544A Start and stop control method for parallelly-connected multi-unit photovoltaic grid-connected inverter system |
06/26/2013 | CN103178543A Double-fed wind generation set high-voltage penetration method capable of realizing inactive support |
06/26/2013 | CN103178542A Distributed power grid-connection interface system and control method thereof |
06/26/2013 | CN103178541A Control method of distributed grid-connected photovoltaic power generation devices and energy storage devices |
06/26/2013 | CN103178540A Microgrid and ceaseless microgrid-connecting method thereof |
06/26/2013 | CN103178539A Direct current voltage deviation slope control method for multi-end flexible direct current power transmission system |
06/26/2013 | CN103178538A Wind power fluctuation suppression method of hybrid energy storage wind power generation system |
06/26/2013 | CN103178537A Coordinated control system and coordinated control method based on feeder line control error |
06/26/2013 | CN103178536A Distribution network energy storage device locating and sizing method based on supply storage capacity |
06/26/2013 | CN103178535A Online prevention and control method for low-frequency oscillation of electric power system on basis of two types of mechanisms |
06/26/2013 | CN103178534A Calculating method for prevention and control strategy of small interference stabilization |
06/26/2013 | CN103178533A Controlling method and controller for variable participation frequency of temperature control load |
06/26/2013 | CN103178532A Identification method for oscillation influence of generator control device on electric system |
06/26/2013 | CN103178531A Active power transfer type intelligent combined capacitor |
06/26/2013 | CN103178530A Intelligent high-voltage thyristor switched capacitor (TSC) reactive compensation device |
06/26/2013 | CN103178529A Phase-splitting control method and device of magnetic control type quick response dynamic reactive power compensation system |
06/26/2013 | CN103178528A Capacitor compensation cabinet with isolated busbar chamber |
06/26/2013 | CN103178527A Voltage deviation adjustor |
06/26/2013 | CN103178526A Composite filter |
06/26/2013 | CN103178525A Method for rapidly retraining harmonic oscillation of electric power system |
06/26/2013 | CN103178524A Digital filter used for active power filter |
06/26/2013 | CN103178523A Large-current power supply loop |
06/26/2013 | CN103178522A Network voltage stability and continuity load flow calculation method considering characteristics of distributed generation |
06/26/2013 | CN103178521A Method, for analyzing power system power oscillation disturbance source, based on SCADA (supervisory control and data acquisition) historical data search |
06/26/2013 | CN103178520A Method, for monitoring power system power oscillation in real time, based on SCADA (supervisory control and data acquisition) data |
06/26/2013 | CN103178519A Method, for positioning power system power oscillation disturbance source in real time, based on SCADA (supervisory control and data acquisition) data |
06/26/2013 | CN103178518A Process for evaluating transient stability of electric power system according to trace and trace sensitivity |
06/26/2013 | CN103178517A Multilevel topological analysis method for power system |
06/26/2013 | CN103178516A Node merge method based dynamic network topology analysis method |
06/26/2013 | CN103178515A Method for determining a voltage bounding range |
06/26/2013 | CN103178514A Control method for controlled reactor to strengthen the stability of power grid |
06/26/2013 | CN103176141A Power source burn-in test and energy feedback system for motors |
06/26/2013 | CN102355006B Joint wind-solar-storage joint grid-connected power generation coordination control method |
06/26/2013 | CN102290829B Full-system large-scale wind power control method with low generating cost |
06/26/2013 | CN102222936B Start-stop control method and system for grinder set of grid-connected generator |
06/26/2013 | CN102195463B Method and system for starting network-side converter of full-power wind generating set |
06/26/2013 | CN102130606B Multifunctional control device of wind power generator based on integrated gate commutated thyristor |
06/26/2013 | CN101839218B Direct-drive wind generating set |
06/26/2013 | CN101837743B Automotive vehicle |
06/25/2013 | US8471534 Fault ride through switch for power generation system |
06/25/2013 | US8471526 Protection device for secondary batteries, and battery pack and electronic equipment employing same |
06/25/2013 | US8471492 Wireless adaptation of lighting power supply |
06/25/2013 | US8471407 Spring-powered emergency electrical supply |
06/25/2013 | US8471403 Power supply arrangement of an elevator |
06/25/2013 | CA2743480C Improved dc bus regulator |
06/25/2013 | CA2697236C Wind turbine generator |
06/21/2013 | CA2799366A1 Method of controlling reactive power in a wind farm |
06/20/2013 | WO2013090670A1 Methods and systems for operating a power converter |
06/20/2013 | WO2013090587A1 Methods and systems for controlling a power conversion device |
06/20/2013 | WO2013088877A1 Power demand amount calculation system, power demand amount calculation method, power demand amount calculation apparatus, program, and recording medium |
06/20/2013 | WO2013088844A1 Power supply tap and power control system |
06/20/2013 | WO2013088799A1 Power supply system and power conditioner for charging and discharging |
06/20/2013 | WO2013088798A1 Electric power supply system |
06/20/2013 | WO2013088611A1 Distributed power generation system and method for controlling distributed power generation system |
06/20/2013 | WO2013088584A1 Display terminal, power control system, and display method |
06/20/2013 | WO2013088573A1 Method for controlling electric power leveling, electric power leveling control device, and program |
06/20/2013 | WO2013088464A1 Power consumption prediction device, vehicle control device, vehicle, power consumption prediction method, and vehicle control method |
06/20/2013 | WO2013088238A2 Inductive power transfer system and method |
06/20/2013 | WO2013087122A1 Method for generating a signal indicating an oscillation in an electrical energy supply network |
06/20/2013 | WO2013087110A1 Converter in delta configuration |
06/20/2013 | WO2013087085A1 Method for active control of frequency and voltage in a power supply grid with decentralized power supply systems |
06/20/2013 | WO2013041484A3 Method and device for detecting isolated operation of power generation installations |