| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/16/2011 | CN201750047U Control circuit of 24KV box-type transformer substation |
| 02/16/2011 | CN201747529U Permanent magnet direct-drive wind power generation system |
| 02/16/2011 | CN201747410U Controlling device of triangle flash evaporation circulation power generation system |
| 02/16/2011 | CN101978570A Power conversion device |
| 02/16/2011 | CN101978569A Arrangement related to offshore cable system |
| 02/16/2011 | CN101977018A Frequency-conversion power saver for three-phase bender |
| 02/16/2011 | CN101977017A High-voltage frequency converter of input-transformerless multiphase motor |
| 02/16/2011 | CN101977006A Method for controlling double-fed wind driven generator in power grid faults |
| 02/16/2011 | CN101976988A Temperature difference generating hot water system with solar energy photo-thermal semiconductor |
| 02/16/2011 | CN101976957A Four-quadrant converter circuit and control method thereof |
| 02/16/2011 | CN101976954A Frequency converter and method for eliminating harmonic and compensating reactive power |
| 02/16/2011 | CN101976882A Master control unit applied to power system |
| 02/16/2011 | CN101976855A Intelligent solar cell component and control method of array thereof |
| 02/16/2011 | CN101976854A Photovoltaic power generation single phase grid-connected inverter |
| 02/16/2011 | CN101976853A Wind power hydrogen production regulation, control and grid-connection system |
| 02/16/2011 | CN101976852A Photovoltaic power supply system structure and method thereof |
| 02/16/2011 | CN101976851A Method for improving wireless internet stability of multiple inverters in microgrid by utilizing virtual impedance |
| 02/16/2011 | CN101976850A Direct-current side control method for midline arm control model of four bridge arm photovoltaic inverter |
| 02/16/2011 | CN101976849A Method and device for intelligently switching on and off transformer set |
| 02/16/2011 | CN101976848A Intelligent fling-cut switch module |
| 02/16/2011 | CN101976847A SVC (Static Var Compensator) and AVC (Automatic Voltage Control) joint debugging control system |
| 02/16/2011 | CN101976846A STATCOM (static compensator) control method based on switching system theory |
| 02/16/2011 | CN101976845A Wind-power reactive power automatic control method for monitor system of wind power station |
| 02/16/2011 | CN101976844A Intelligent resonance suppression controller |
| 02/16/2011 | CN101976843A System for monitoring remote control ground resistor |
| 02/16/2011 | CN101976842A Method for automatically acquiring key sections based on electrical partitioning |
| 02/16/2011 | CN101976841A Balance matching method for all classes of load forecasting indexes of power system |
| 02/16/2011 | CN101976840A Network topology analysis method of power system based on quasi-square of adjacency matrix |
| 02/16/2011 | CN101976839A Element immediately-updating sparse matrix method-based power system network topology analysis method |
| 02/16/2011 | CN101976838A Newton-process power flow calculation method for study purpose |
| 02/16/2011 | CN101976837A Method for adjusting unsolvable power flow of electric power system |
| 02/16/2011 | CN101976836A Method for statically analyzing voltage stabilization of VSC-HVDC (Voltage-Sourced Converter-High Voltage Director Current) containing AC and DC system |
| 02/16/2011 | CN101976835A Parallel computation method for Newton power flow of large-scale electric power system |
| 02/16/2011 | CN101976834A Sparse matrix method-based network topology analysis method for power system |
| 02/16/2011 | CN101976827A Method for identifying candidate prevention and control measure of self-adaptive external-environmental electric power system |
| 02/16/2011 | CN101975133A Turbine generating device capable of adjusting blade angle |
| 02/16/2011 | CN101593977B Method for estimating branch parameters of power network |
| 02/16/2011 | CN101593975B Energy-saving power generation dispatching method |
| 02/16/2011 | CN101574935B Module combined power quality conditioning system for tractive power supply network |
| 02/16/2011 | CN101510704B Water electrolytic hydrogen production and minitype gas turbine-switch reluctance motor united generating set |
| 02/16/2011 | CN101197547B Three-phase synchronization AC generating circuit and its control method |
| 02/15/2011 | US7888815 AC/DC power supply, a method of delivering DC power at multiple voltages and a computer data storage system employing the power supply or the method |
| 02/15/2011 | US7886985 Domestic heat and power system |
| 02/10/2011 | WO2011016273A1 Energy system |
| 02/10/2011 | WO2011016092A1 Island operating system for distributed power source |
| 02/10/2011 | WO2011015490A2 Method and device for energy management |
| 02/10/2011 | WO2011015247A1 Power or voltage oscillation damping in a power transmission system |
| 02/10/2011 | US20110032735 Universal three phase controllers for power converters |
| 02/10/2011 | US20110031929 Electric supply controller, electric supply system and method for controlling electric supply to charger and vehicle |
| 02/10/2011 | US20110031813 Method and Circuit Arrangement for Connecting at Least One String of a Photovoltaic System to an Inverter |
| 02/10/2011 | US20110031810 Electrical generator arrangements |
| 02/10/2011 | US20110031806 Load Control System Having An Energy Savings Mode |
| 02/10/2011 | DE202009012340U1 Spitzenlastglättung Peak load smoothing |
| 02/10/2011 | DE102009036404A1 Method for utilizing electrical energy of energy storage for household, involves delivering energy by storage, where charging condition of storage is measured higher than specific percents of maximum charging condition |
| 02/10/2011 | DE102009035699A1 Anordnung eines Stufenschalters an einem Regeltransformator Arrangement of a tap changer to a control transformer |
| 02/09/2011 | EP2282399A1 Static converter and method for starting the converter |
| 02/09/2011 | CN201742486U Plat television set transduction inhibition device with three-wire plug |
| 02/09/2011 | CN201742108U Small distributed energy net-connected controller |
| 02/09/2011 | CN201742107U Power quality regulating device based on stored energy of super capacitor |
| 02/09/2011 | CN201742106U Inverse power prediction control device |
| 02/09/2011 | CN201742105U Modular frequency converter system for wind turbine and converter cabinet thereof |
| 02/09/2011 | CN201742104U Thyristor triggering plate used for high pressure stationary reactive compensation device |
| 02/09/2011 | CN201742103U Three-phase intelligent tracking power-saving device |
| 02/09/2011 | CN201742102U Three-phase power-conserving device |
| 02/09/2011 | CN201742101U Energy saving switch |
| 02/09/2011 | CN201742100U Capacitor for three-phase total compensation intelligent capacitor |
| 02/09/2011 | CN201742099U Capacitor for three-phase separate-supplement intelligent capacitor |
| 02/09/2011 | CN201742098U Intelligent cell reactive power compensation terminal with solar energy power supply |
| 02/09/2011 | CN201742097U Svc control system |
| 02/09/2011 | CN201742096U Intelligent dynamic compensating cabinet |
| 02/09/2011 | CN201742095U Capacitor fast-switching switch |
| 02/09/2011 | CN201742094U Intelligent CAN bus voltage reactive power compensation device |
| 02/09/2011 | CN201742093U Distributed energy resource based intelligent grid system adopting layered structure |
| 02/09/2011 | CN201742092U Three-phase equilibrium system synthesis power saver |
| 02/09/2011 | CN201742091U Public power sharing device |
| 02/09/2011 | CN201741559U Three-phase balancing autotransformer and intelligent power-saving system |
| 02/09/2011 | CN201739090U Offshore wind farm 3MW permanent magnet direct drive wind power generation system |
| 02/09/2011 | CN201739085U Highway guardrail wind-power grid combined generator system |
| 02/09/2011 | CN201737550U Elevator energy feedback, reactive compensation and outage emergency operation system |
| 02/09/2011 | CN101971451A Wind energy plant having a double-energized asynchronous generator and converter control |
| 02/09/2011 | CN101969294A Alternating current servo driver capable of realizing energy feedback |
| 02/09/2011 | CN101969293A Three phase motor energy conservation regulating device |
| 02/09/2011 | CN101969281A Coordination control and optimization method for battery energy accumulation and photovoltaic power generation based on co-direct current bus |
| 02/09/2011 | CN101969274A Bus voltage stabilization control device |
| 02/09/2011 | CN101969272A Grid-connected current control device of photovoltaic inverter |
| 02/09/2011 | CN101969210A Active disturbance rejection control technology-based method for controlling synchronization of photovoltaic power generation system |
| 02/09/2011 | CN101969209A Methane household intelligent power generation method |
| 02/09/2011 | CN101969208A Method for inhibiting subsynchronous resonance of wind power system |
| 02/09/2011 | CN101969207A Photovoltaic ultra-short term power predicting method based on satellite remote sensing and meteorology telemetry technology |
| 02/09/2011 | CN101969206A Evaluation method for judging influence of grid structure on alternating current/direct current (AC/DC) system |
| 02/09/2011 | CN101969205A Method for inhibiting line power oscillation of interconnected electric power system via energy storing device |
| 02/09/2011 | CN101969204A Vector control-based static volt-ampere reactive compensation (SVC) method and device |
| 02/09/2011 | CN101969203A Three-bypass-breaker serial ultra/extra-high voltage subsection series capacitor compensation device |
| 02/09/2011 | CN101969202A Method for recognizing transmission section power limit interval of power system transient stability |
| 02/09/2011 | CN101969201A Dynamic voltage stabilizer for assisting wind driven generator in realizing low voltage ride through (LVRT) |
| 02/09/2011 | CN101969200A Staggered single-cycle control complementary current generator and control method thereof |
| 02/09/2011 | CN101969199A Fault loss estimation method for risk assessment of transient rotor angle stability |
| 02/09/2011 | CN101969198A Method for estimating electrical power system state with consideration of load static property |
| 02/09/2011 | CN101969197A Bus load forecasting accuracy comprehensive evaluation method |
| 02/09/2011 | CN101969195A Transformer direct current magnetic bias compensation device with reactive power compensation function and control method |