| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 11/20/2013 | CN203301149U Power saving device |
| 11/20/2013 | CN203301148U Micro-grid energy storage unit/active power filter combined device |
| 11/20/2013 | CN203290008U New energy source power generation, distribution and transmission system and desert control comprehensive utilizing facility |
| 11/20/2013 | CN103403994A Charging control device |
| 11/20/2013 | CN103403465A Optimization apparatus, optimization method, and optimization program for storing electricity and heat. |
| 11/20/2013 | CN103403346A Dynamic adjustment of power plant output based on electrical grid characteristics |
| 11/20/2013 | CN103401496A Continuous adjustable control method for power generating quantity of low-temperature power generator set |
| 11/20/2013 | CN103401485A Variable frequency starting and reactive compensation integrated control device of high-power induction machine |
| 11/20/2013 | CN103401463A Miniature photovoltaic grid-connected inverter with optimized DC (Direct Current) bus capacitor and control method |
| 11/20/2013 | CN103401462A Static synchronous compensator cascaded based on three-level H bridge and voltage source inverter module |
| 11/20/2013 | CN103401276A Distributed intelligent micro power station device |
| 11/20/2013 | CN103401273A Power optimization distribution method for variable-pitch fans in wind power plant |
| 11/20/2013 | CN103401272A Method for controlling grid-connected voltage of photovoltaic power station based on area coordination |
| 11/20/2013 | CN103401271A Method and device for determining accepting ability of provincial power grid to distributed power sources |
| 11/20/2013 | CN103401270A Method and device for determining accepting ability of medium and lower voltage distribution network to distributed power sources |
| 11/20/2013 | CN103401269A Three-phase current type multi-level converter photovoltaic power generation grid-connection device |
| 11/20/2013 | CN103401268A Three-phase current type multi-level converter wind power generation grid-connection device |
| 11/20/2013 | CN103401267A Grid-connected circuit for small-sized wind-driven generator |
| 11/20/2013 | CN103401266A Device and method for realizing seamless switching between grid-connected mode and off-grid mode of inverter |
| 11/20/2013 | CN103401265A Automatic generation control (AGC) based compensation control method for operating condition transformation of pumped storage unit |
| 11/20/2013 | CN103401264A Overload adjusting method of power transmission network |
| 11/20/2013 | CN103401263A Mixed type three-pole direct current power transmission system and control method thereof |
| 11/20/2013 | CN103401262A Wind power and battery energy storage hybrid power station as well as capacity-determining off-line simulation and on-line operation method for energy storage system |
| 11/20/2013 | CN103401261A Power storage system based on IEGT (injection enhanced gate transistor) |
| 11/20/2013 | CN103401260A Advanced optimization progressive control method for composite energy storage |
| 11/20/2013 | CN103401259A Seamless switching control method for energy storage system |
| 11/20/2013 | CN103401258A Emergency power control strategy for wind power plant in fault state |
| 11/20/2013 | CN103401257A Multi-source coordinated control method including wind power grid for coping with steep power slope at peak |
| 11/20/2013 | CN103401256A Parameter optimization method for large-scale steam turbine power-frequency electro-hydraulic control system of thermal power plant |
| 11/20/2013 | CN103401255A Automatic SVC (static var compensator) system of high-low voltage distribution network |
| 11/20/2013 | CN103401254A Monitoring device of automatic reactive compensation system for high-low voltage power distribution network |
| 11/20/2013 | CN103401253A SVG power unit circuit, chained SVG power unit circuit and static voltage-sharing method |
| 11/20/2013 | CN103401252A Low-voltage wattless automatic phase-splitting compensation device for distribution room |
| 11/20/2013 | CN103401251A Static voltage-sharing system of power units in chained SVG |
| 11/20/2013 | CN103401250A Multifunctional intelligent device for compensating reactive power and adjusting active power |
| 11/20/2013 | CN103401249A Reactive power automatic arrangement method based on available resource of reactive equipment |
| 11/20/2013 | CN103401248A Random reactive optimization method for power distribution network including wind power plant |
| 11/20/2013 | CN103401247A Optimization method for realizing automatic generation control (AGC) and automatic voltage control (AVC) in monitoring system of boosting station of power plant |
| 11/20/2013 | CN103401246A Automatic voltage control system adopting electrical equipment health index |
| 11/20/2013 | CN103401245A Intelligent environment-friendly high-voltage shore power supply system |
| 11/20/2013 | CN103401244A Harmonic suppression circuit for electromagnetic compatibility laboratory and compensation method thereof |
| 11/20/2013 | CN103401243A Appointed subharmonic compensation APF (active power filter) and harmonic detection and control method thereof |
| 11/20/2013 | CN103401242A Multi-inverter system resonance restraining device and controlling method thereof |
| 11/20/2013 | CN103401241A Control method for smooth handoff of micro grid operation mode based on DG ad-hoc network strategy |
| 11/20/2013 | CN103401240A Method for recovering observability of series compensators |
| 11/20/2013 | CN103401239A Power demand side assisting in distribution line overload remission method |
| 11/20/2013 | CN103401238A Method for modeling power load based on measurement-based method |
| 11/20/2013 | CN103401237A Power distribution method based on voltages of nodes of multi-stage type high-voltage long distance cable line |
| 11/20/2013 | CN103401236A Wind power farm generator unit grouping method based on flow correlation of wind power farm |
| 11/20/2013 | CN103401235A Topology search-based provincial power grid coordination voltage control generalized gateway automatic generation method |
| 11/20/2013 | CN103401234A Load flow calculation method based on generator node type |
| 11/20/2013 | CN103401233A Power distribution network contact construction sequence optimization method based on maximum power supply capability |
| 11/20/2013 | CN103401232A Cluster computing method for online emergency control strategy for transient safety stability of power system |
| 11/20/2013 | CN103400710A Balanced leveling method for three-phase loads of low-voltage power network and automatic load transferring switch |
| 11/20/2013 | CN103400218A Power grid energy management system (EMS) based on service component architecture |
| 11/20/2013 | CN103400217A Wind power compatibility network safety analysis method for coordinated dispatching of wind power and conventional energy sources |
| 11/20/2013 | CN103398851A Power equipment test device and system and returned energy adjustment method |
| 11/20/2013 | CN102738807B All-station reactive optimal control method for intensively integrating wind farms into public transformer substation |
| 11/20/2013 | CN102611126B Switching method for flexible switching system based on single-phase inverter power source |
| 11/20/2013 | CN102570457B Static equivalence method for two-port external network based on measurement data of internal network |
| 11/20/2013 | CN102570455B Intelligent microgrid power-supply system |
| 11/20/2013 | CN102568798B Sheet type common-mode choke row |
| 11/20/2013 | CN102545227B Phase-sequence-identification-based adaptive control method for active power filter |
| 11/20/2013 | CN102510063B Grading frequency regulation control method of interconnected power grid |
| 11/20/2013 | CN102496967B Wind-power trend optimizing system based on fast energy storage and control method thereof |
| 11/20/2013 | CN102493921B Stationary module generator |
| 11/20/2013 | CN102447265B Loading device and method for power unit with feedback function |
| 11/20/2013 | CN102427230B Wind-light storage combined dispatching method and system used for distributed microgrid island operation |
| 11/20/2013 | CN102354993B Arc furnace power quality controller based on programmable logic controller (PLC) |
| 11/20/2013 | CN102315644B Self-adaptive delay feedback static bifurcation control system and control method thereof |
| 11/20/2013 | CN102262182B Method for detecting island of photovoltaic grid-connected inverter |
| 11/20/2013 | CN102255329B Island detection method of photovoltaic grid connected system |
| 11/20/2013 | CN102204056B Device for feeding a consumer network with the electric power of a supply network |
| 11/20/2013 | CN102185339B Method for selecting three-phase photovoltaic grid-connected SVM (space vector modulation) sequences |
| 11/20/2013 | CN102144328B Method for controlling sodium-sulfur battery |
| 11/20/2013 | CN102067405B Harmonic compensation circuit and method for an LED light unit |
| 11/20/2013 | CN102004455B STATCOM (Static Synchronous Compensator) control system based on mixed chaotic sequence generator |
| 11/20/2013 | CN101855805B Method for regulating a reactive power compensator |
| 11/20/2013 | CN101150292B Method and system for detection and transfer to electrical island operation |
| 11/19/2013 | US8587264 System, method and apparatus to automatically detect a type of a variable output DC power source |
| 11/19/2013 | US8587151 Method for distributed power harvesting using DC power sources |
| 11/19/2013 | US8587148 Electric power supply and related methods |
| 11/19/2013 | US8587141 Frequency converter |
| 11/19/2013 | CA2682789C Centralized electrical distribution system |
| 11/19/2013 | CA2676497C Controlling transient response of a power supply |
| 11/14/2013 | WO2013169307A1 Electric generator and battery charging system |
| 11/14/2013 | WO2013168814A1 Energy management device, energy management method and program |
| 11/14/2013 | WO2013168523A1 Power control device and power-consuming devices |
| 11/14/2013 | WO2013168087A1 Monitoring system for a photovoltaic solar plant |
| 11/14/2013 | WO2013167921A1 Distributed power generation system, control means and method for controlling the power generation of the system |
| 11/14/2013 | WO2013167837A2 System for control and power supply of turbomachines of a helicopter |
| 11/14/2013 | WO2013167407A1 Photovoltaic system and method for operating a photovoltaic system for feeding electrical power into a medium-voltage network |
| 11/14/2013 | WO2013167198A1 Method and arrangement for ascertaining active power flows in an electric traction power supply network |
| 11/14/2013 | WO2013167189A1 Battery energy storage and power system |
| 11/14/2013 | WO2013167142A1 Wind power plant frequency control |
| 11/14/2013 | WO2013167140A1 Method for coordinating frequency control characteristics between conventional plants and wind power plants |
| 11/14/2013 | WO2013166861A1 Testing method of electric network transient response characteristic of 690v voltage class wind power generator set |
| 11/14/2013 | WO2013141952A3 Methods and apparatus for anti-icing and deicing power transmissions lines |
| 11/14/2013 | WO2013113629A3 Method for stabilizing a voltage supply network |
| 11/14/2013 | WO2013069712A3 Network for managing distributed resources connected to electric power system |