Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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03/28/2013 | WO2013042308A1 Electric power conditioning device and method for conditioning electric power |
03/28/2013 | WO2013041614A2 Method of opening a bypass switch of a high voltage direct current network |
03/28/2013 | WO2013041534A2 Provision of control power with a photovoltaic arrangement |
03/28/2013 | WO2013041443A2 Methods of controlling a combined plant including at least one generator and an energy store |
03/28/2013 | WO2013041010A1 Traction power supply system able to realize separation of up/downlink power supply arms to supply power in the manner of at |
03/28/2013 | WO2013040948A1 Domain-based safety evaluation method for power distribution system |
03/28/2013 | WO2013040837A1 Computer monitoring method for microgrid system |
03/28/2013 | WO2013040657A1 Power monitoring and signal unit |
03/28/2013 | WO2012171014A3 Smart and scalable off-grid mini-inverters |
03/28/2013 | WO2012054161A3 Microgrid control system |
03/28/2013 | WO2011149562A3 Superconducting electricity transmission system |
03/28/2013 | WO2011061075A3 Method, device and system for responsive load management using frequency regulation credits |
03/28/2013 | US20130079945 Method and system for operating a power generation and delivery system |
03/28/2013 | US20130076131 Distributed power generation system and operation method thereof |
03/28/2013 | US20130076130 Transformer control device and method based on three-dimensional zone diagram policy |
03/28/2013 | US20130076119 Systems and methods to emulate high frequency electrical signatures |
03/28/2013 | US20130076118 Wire connecting method and converter station for ultra-high voltage direct current power transmission, and ultra-high voltage direct current power transmission system |
03/28/2013 | DE102011115189A1 PV-Anlage mit Sicherung gegen Einspeisung in ein öffentliches Stromversorgungsnetz PV system with protection against feeding into a public power supply network |
03/28/2013 | DE102011114190A1 Method for covering energy requirement of building, involves using Leonard converter or rotary converter bi-directionally when there is power demand and sufficient energy is available in accumulator |
03/28/2013 | DE102011083490A1 Electrical power system has control unit that is provided to control electric power generation unit based on received load default value and to send power alteration signal to electric power generation unit |
03/28/2013 | DE102011054002A1 Dezentrale Energieerzeugungsanlage mit Einrichtung und Verfahren zur Inselnetzerkennung Distributed power generation plant with device and method for islanding detection |
03/28/2013 | CA2848930A1 Method of opening a bypass switch of a high voltage direct current network |
03/28/2013 | CA2848807A1 Methods of controlling a combined plant including at least one generator and an energy store |
03/27/2013 | EP2573897A2 Assembly for operating at least one consumer with the electric power of a regenerative energy source |
03/27/2013 | EP2573896A1 Methods of controlling a combined plant including at least one generator and an energy store |
03/27/2013 | EP2573895A1 Method for operating a wind farm, wind farm controller and wind farm |
03/27/2013 | EP2573894A2 Method and systems for operating a power generation and delivery system |
03/27/2013 | EP2572426A2 Arrangement for generating a control signal for controlling a power output of a power generation system |
03/27/2013 | EP2572425A2 System for recovering renewable energy |
03/27/2013 | EP2572363A1 Inductive power transfer system primary track topologies |
03/27/2013 | EP2159907B1 Electrical filter assembly |
03/27/2013 | CN202841604U Electromagnetic balance energy compensating circuit |
03/27/2013 | CN202841012U Domestic micro-grid power supply system |
03/27/2013 | CN202841003U Novel three-phase photovoltaic grid-connected inverter system structure |
03/27/2013 | CN202840998U Wind driven generator grid-connected inverter |
03/27/2013 | CN202840691U Intelligent power quality monitoring and management system |
03/27/2013 | CN202840682U Intelligent low-voltage power load allocation host |
03/27/2013 | CN202840662U Uninterrupted power supply |
03/27/2013 | CN202840541U High-efficiency multifunctional solar power generating device |
03/27/2013 | CN202840540U Three-phase grid-connected inverter for simulating synchronous generator |
03/27/2013 | CN202840539U Solar anti-interference and anti-reflux unidirectional shielding system |
03/27/2013 | CN202840538U Intelligent distributed type grid-connected photovoltaic system power supply |
03/27/2013 | CN202840537U Photoelectric and wind power generating power supply system having data black box function |
03/27/2013 | CN202840536U Anti-countercurrent linkage interlock system of photovoltaic power station |
03/27/2013 | CN202840535U Double-feed current transformer with reliable low-voltage ride-through capability |
03/27/2013 | CN202840534U Unidirectional alternating current grid-connected power generation system |
03/27/2013 | CN202840533U Flexible direct current closed loop type power distribution network system converter station with bypass direct current buses |
03/27/2013 | CN202840532U Low-pressure three-phase load balancing device |
03/27/2013 | CN202840531U Switching device for capacitor |
03/27/2013 | CN202840530U Electric energy low voltage dynamic reactive power compensation device |
03/27/2013 | CN202840529U Intelligent high-voltage reactive compensation device |
03/27/2013 | CN202840528U Static reactive compensation device |
03/27/2013 | CN202840527U Wind power grid reactive power compensator based on DSP processor and CPLD logic controller |
03/27/2013 | CN202840526U DSP-and-ARM-based reactive power compensation device of wireless GPRS wind power grid |
03/27/2013 | CN202840525U FPGA-and-DSP-based reactive power compensation device of wind power generation network |
03/27/2013 | CN202840524U Low-voltage real-time rapid reactive power compensator |
03/27/2013 | CN202840523U High-voltage reactive on-site compensation circuit |
03/27/2013 | CN202840522U Intelligent modular capacitor cabinet |
03/27/2013 | CN202840521U Microcomputer line protection system with load control |
03/27/2013 | CN202840520U Transformer switching apparatus under low-load state |
03/27/2013 | CN202840519U Dynamic voltage fluctuation compensator for realizing multi-target control |
03/27/2013 | CN202840518U Power supply system capable of improving transmission efficiency of power grid by controlling partial electric energy equality of factory |
03/27/2013 | CN202840517U 10KV FC+ voltage adjusting type reactor harmonic processing device |
03/27/2013 | CN202840516U Photovoltaic microgrid controlling device |
03/27/2013 | CN202840515U Data acquisition equipment of network power system |
03/27/2013 | CN202840514U System realizing voltage and reactive power real-time automatic compensation for transformer station |
03/27/2013 | CN202840509U Reactive compensation discharging device |
03/27/2013 | CN202840464U High-voltage reactive on-site compensation apparatus |
03/27/2013 | CN202840461U Ground protection apparatus and thin film battery power generation apparatus based on the same |
03/27/2013 | CN202840300U Removable high-voltage high-capacity chained STATCOM system container structure |
03/27/2013 | CN202840292U Intelligent power saving incoming line main cabinet |
03/27/2013 | CN103004054A Method For Supplying An Electric Domestic Appliance From A Low Voltage Supply Network And A Domestic Appliance Suitable For Carrying Out Said Method |
03/27/2013 | CN103004050A Method and control arrangement for controlling central capacitors in wind power plants |
03/27/2013 | CN103003897A Inductive power transfer system primary track topologies |
03/27/2013 | CN103003774A Automatic matching of sources to loads |
03/27/2013 | CN103003765A Monitoring control system for electrical power equipment |
03/27/2013 | CN103001550A Self-excitation compensation soft-starting device for high-power cage motor |
03/27/2013 | CN103001523A Zero-voltage switching energy storage bridge-type inverter without additional voltage and modulation method for inverter |
03/27/2013 | CN103001502A Resonance booster for new energy grid connection |
03/27/2013 | CN103001453A Frequency conversion transformer |
03/27/2013 | CN103001308A Ups (uninterrupted power supply) power supply equipment for preventing power disturbance in safety monitoring system |
03/27/2013 | CN103001307A Renewable energy power supply system and renewable energy power supply method |
03/27/2013 | CN103001259A Annealing algorithm based grid-connected type micro-grid optimal dispatching method |
03/27/2013 | CN103001258A Method for uniformly allocating power used for ship power station and management device |
03/27/2013 | CN103001257A Permanent magnet wind driven generator with micro-power consumption |
03/27/2013 | CN103001256A Control method of grid-side converter of permanent magnetic direct drive type wind turbine system during low voltage ride through |
03/27/2013 | CN103001255A Grid-connected photovoltaic power generation system for residential housings |
03/27/2013 | CN103001254A Alternating current and direct current hybrid micro-grid system |
03/27/2013 | CN103001253A Power supply system of photovoltaic inverter suitable for lower voltage ride-through requirement and power supply method thereof |
03/27/2013 | CN103001252A Mine main ventilation fan high-voltage inverter device with energy feedback |
03/27/2013 | CN103001251A Maximum power point tracking (MPPT) method and device of photovoltaic grid-connected inverter |
03/27/2013 | CN103001250A Compound control method of photovoltaic grid-connected inverter |
03/27/2013 | CN103001249A Method for predicting short-term power of wind farm on the basis of BP (back propagation) neural network |
03/27/2013 | CN103001248A Modularity-based megawatt-level photovoltaic power generation simulation system and application thereof |
03/27/2013 | CN103001247A Off-network-type microgrid black-start method |
03/27/2013 | CN103001246A Method for controlling a PWM (pulse width modulation) rectifying type energy feeding device on basis of virtual flux linkage |
03/27/2013 | CN103001245A Inrush current protection for wind turbines and wind farms |
03/27/2013 | CN103001244A Distributed power harvesting systems using DC power sources |
03/27/2013 | CN103001243A Solar grid-connected power generator |
03/27/2013 | CN103001242A HVDC (high voltage direct current controller) and UPFC (unified power flow controller) system based on modularized multi-level converter |