| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/08/2012 | CN102347619A Control method for inverter system |
| 02/08/2012 | CN102347618A Three-phase energy feedback device |
| 02/08/2012 | CN102347617A Energy storage power station for clean energy source compensation and energy storage system with clean energy source compensation function |
| 02/08/2012 | CN102347616A Reactive compensation method with resonance detection and harmonic wave overcurrent protection and device thereof |
| 02/08/2012 | CN102347615A Method for optimizing parameters of voltage quality control (VQC) optimum operating mode |
| 02/08/2012 | CN102347614A Voltage stability analyzing method and device based on short circuit capacity |
| 02/08/2012 | CN102347613A Method for automatically selecting on-line strategy and off-line strategy of transient security and stability emergency control of electrical power system |
| 02/08/2012 | CN102347612A Commercial power parallel type power converting circuit and power converting method thereof |
| 02/08/2012 | CN102347611A Method for filtering power grid voltage fluctuation influence during signal detection in industrial frequency communication |
| 02/08/2012 | CN102347610A Electrical power supply system for an aircraft |
| 02/08/2012 | CN101867191B 一种自适应调整控制参考电压值的方法 An adaptive adjustment method for controlling the reference voltage value |
| 02/08/2012 | CN101814733B Electromagnetic transient-state and electromechanical transient-state mixed real-time simulation interface process control system |
| 02/08/2012 | CN101702360B 一种供电变压器预充磁装置及其预充磁方法 A power supply transformer magnetizing device and a pre-pre-magnetizing method |
| 02/08/2012 | CN101335453B Statcom的控制方法 Statcom control method |
| 02/07/2012 | US8110948 Power conversion apparatus and method |
| 02/07/2012 | US8110945 Power stealing circuitry for a control device |
| 02/07/2012 | US8110943 Energy-saving power socket with slave power supply |
| 02/07/2012 | US8110942 Standby saver |
| 02/07/2012 | US8110941 Power demand management method and system |
| 02/07/2012 | US8110940 Single input and dual-output power supply with integral coupling feature |
| 02/07/2012 | CA2653938C Power controller and vehicle equipped with power controller |
| 02/02/2012 | WO2012015508A1 Dynamic distributed power grid control system |
| 02/02/2012 | WO2012015507A1 Dynamic distributed power grid control system |
| 02/02/2012 | WO2012015309A1 Control device and method for controlling an ac motor |
| 02/02/2012 | WO2012015101A1 Topology processing method for a power supply system |
| 02/02/2012 | WO2012014731A1 Demand control device |
| 02/02/2012 | WO2012014474A1 Power supply system, power supply system control device, power supply system operation method and power supply system control method |
| 02/02/2012 | WO2012014332A1 Output distribution control apparatus |
| 02/02/2012 | WO2012014315A1 Power conditioner |
| 02/02/2012 | WO2012014043A2 Energy management system |
| 02/02/2012 | WO2012013248A1 Hvdc converter comprising fullbridge cells for handling a dc side short circuit |
| 02/02/2012 | WO2012013245A1 Capacitor discharge in a cell based voltage source converter |
| 02/02/2012 | WO2012013166A1 The apparatus compensating ground currents connected to phase conductors of a distribution system |
| 02/02/2012 | WO2012013165A1 The apparatus compensating ground currents connected to a transformer neutral point |
| 02/02/2012 | WO2012013125A1 Complex control structure for balancing output of multiple sets of electrical equipment under automatic controls |
| 02/02/2012 | WO2012013099A1 Method for improving specific proportion load efficiency of power supply and apparatus thereof |
| 02/02/2012 | WO2011092265A4 Power flow measurement and management |
| 02/02/2012 | WO2011061538A3 A grid oscillation analysis method and apparatus therefor |
| 02/02/2012 | WO2011033044A3 Fault tolerant damping of electromechanical oscillations in power systems |
| 02/02/2012 | US20120026760 Dc voltage compensation in a multi-terminal hvdc power transmission network |
| 02/02/2012 | US20120025617 Connecting Mechanism Arrangeable To A Photovoltaic Module |
| 02/02/2012 | US20120025609 Very high efficiency uninterruptible power supply |
| 02/02/2012 | US20120025606 Dual output power supply |
| 02/02/2012 | US20120023977 Air conditioner and method for controlling the same |
| 02/02/2012 | CA2806738A1 Hvdc converter comprising fullbridge cells for handling a dc side short circuit |
| 02/01/2012 | EP2413491A1 Electric circuit for converting direct current into alternating current |
| 02/01/2012 | EP2413449A2 Air conditioning system |
| 02/01/2012 | EP2413382A2 Integral AC module grounding system |
| 02/01/2012 | EP2412563A1 Electric power regulating device for electric power feeding system |
| 02/01/2012 | EP2412070A2 Improved frequency control |
| 02/01/2012 | EP2411669A2 Method for operating a wind turbine |
| 02/01/2012 | EP2411618A2 Dc powered subsea inverter |
| 02/01/2012 | EP2301129B1 Controller and method for controlling a device connected to a power supply |
| 02/01/2012 | EP2294671B1 Apparatus and method for transmission line control |
| 02/01/2012 | EP2208276B1 Method of operation and device for controlling an energy installation with photovoltaic modules |
| 02/01/2012 | EP2066017B1 Method of operating a wind energy system with a voltage-dependent control for an electric reactive quantity to be provided |
| 02/01/2012 | EP1831981B1 Power control of a wind farm and method therefor |
| 02/01/2012 | EP1634356B1 Power management and monitoring method and device |
| 02/01/2012 | DE202011105002U1 Energieerzeugungssystem zum Parallelbetrieb an einem bestehenden Hausanschluss Power generation system for parallel operation on an existing service connection |
| 02/01/2012 | CN202135084U Community solar energy micro electrical network two-stage scheduling system based on super capacitor bank |
| 02/01/2012 | CN202135081U Photovoltaic power station |
| 02/01/2012 | CN202135074U 全智能电池模拟器 Full Smart Battery Simulator |
| 02/01/2012 | CN202135063U 整流移相变压器 Phase-shifting transformer rectifier |
| 02/01/2012 | CN202134924U Structure of multifunctional system of solar power and self use connected grid |
| 02/01/2012 | CN202134923U 深度充放电型电池蓄能并网装置 Depth of discharge-type battery storage and network devices |
| 02/01/2012 | CN202134922U Mining low voltage reactive power compensation device |
| 02/01/2012 | CN202134921U High-voltage reactive compensation device for mining |
| 02/01/2012 | CN202134920U Intelligent negative control terminal of reactive compensation |
| 02/01/2012 | CN202134919U Self-coupling continuously adjustable rapid wattless automatic compensating device |
| 02/01/2012 | CN202134918U Thyristor switch being able of recording power capacitor switching times |
| 02/01/2012 | CN202134917U Static var generator having high capacity |
| 02/01/2012 | CN202134916U Stepless automatic pressure regulating and low frequency undercurrent signal detection circuit of varying load phase advancer |
| 02/01/2012 | CN202134915U 一种谐波保护器 Harmonic Protector |
| 02/01/2012 | CN202130950U Redundancy topological structure of high-power shaft hoist converter device |
| 02/01/2012 | CN102341991A Power control system and method and program for controlling power control system |
| 02/01/2012 | CN102340270A Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor |
| 02/01/2012 | CN102340259A Novel instantaneous-current-direct-control-based pulse width modulation current tracking control method |
| 02/01/2012 | CN102340257A Double-current loop control method of LCL (Inductor Capacitor Inductor) filtering grid-connected inverter |
| 02/01/2012 | CN102340167A Oil field oil pumping unit distributed grid connected type wind power generation complementary power supply system |
| 02/01/2012 | CN102340148A System and method for selecting access manner of wind power plant |
| 02/01/2012 | CN102340147A Method for weakening impact of startup of CT (computerized tomography) on power grid |
| 02/01/2012 | CN102340146A Device and method for suppressing subsynchronous oscillation of power system |
| 02/01/2012 | CN102340145A Magnetically controlled shunt reactor |
| 02/01/2012 | CN102340144A 动态无功功率补偿装置 Dynamic reactive power compensation device |
| 02/01/2012 | CN102340143A Dynamic real-time low-voltage reactive power compensation device |
| 02/01/2012 | CN102340142A Harmonic injection quantitative analytical method for multiple nonlinear users |
| 02/01/2012 | CN102340141A Network topology analytical method using matrix method |
| 02/01/2012 | CN102340140A Method for automatically fast calculating stability limit of large-scale interconnected power grid and stability control strategy |
| 02/01/2012 | CN102340139A System and method for dynamically measuring and calculating transmission capacity of transmission line |
| 02/01/2012 | CN102338851A Plug and play detecting device for photovoltaic power generation grid-connected system |
| 02/01/2012 | CN102338033A Method for controlling dynamic bifurcation of wind driven generator based on nonlinear feedback control |
| 02/01/2012 | CN101814736B 一种在线电压稳定安全评估系统的网格实现方法 A grid line voltage stability security assessment system implementations |
| 02/01/2012 | CN101783515B 矿热炉二次无功补偿控制系统及控制方法 Submerged arc furnace secondary reactive power compensation control system and control method |
| 02/01/2012 | CN101741088B 无源滤波和无功功率补偿综合控制方法 Passive filtering and reactive power compensation Integrated Control |
| 02/01/2012 | CN101471569B 太阳光发电系统 Solar power generation system |
| 02/01/2012 | CN101213718B 公用事业监视系统中数据的自动化精确对准 Utilities automated data system to monitor the precise alignment |
| 01/31/2012 | US8108695 System for minimizing the power consumption of a device in a power down mode |
| 01/31/2012 | US8107266 Converter for converting alternating voltage into direct voltage and conversely |
| 01/31/2012 | US8106645 Power saving system for household electric appliance |
| 01/31/2012 | US8106633 Generator set control system |