| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 09/11/2013 | CN103296752A Small hydropower station safety monitoring system for grid safe and stable operation and monitoring method for small hydropower station safety |
| 09/11/2013 | CN103296701A Active power control method in wind power plant |
| 09/11/2013 | CN103296700A Interconnection-line-less compensation control method of microgrid harmonic waves and idle currents |
| 09/11/2013 | CN103296699A Fast control method of planned isolated island power supply switching power balance based on wide range information |
| 09/11/2013 | CN103296698A Control method for wind power plant grid connection electricity generation outputting active power |
| 09/11/2013 | CN103296697A Charger, adapter, light-emitting diode (LED) energy-saving ageing rack for power supply |
| 09/11/2013 | CN103296696A Inverter and method for controlling same |
| 09/11/2013 | CN103296695A Energy storage architecture based micro-grid system and energy storage method thereof |
| 09/11/2013 | CN103296694A Multi-channel MPPT link capable of being freely combined and used for photovoltaic grid-connected inverter |
| 09/11/2013 | CN103296693A Method and apparatus for controlling a grid-connected converter |
| 09/11/2013 | CN103296692A Control device and method for putting converter station into flexible direct current power transmission system |
| 09/11/2013 | CN103296691A Multiport direct-current transmission power coordination control method |
| 09/11/2013 | CN103296690A On-grid energy control method for wind farm |
| 09/11/2013 | CN103296689A Method for compensation and handling of asymmetric sag of power grid based on negative-sequence current |
| 09/11/2013 | CN103296688A Method for implementing power system stabilizer |
| 09/11/2013 | CN103296687A High-efficiency intelligent duplicate voltage compensation power saver |
| 09/11/2013 | CN103296686A In-situ compensation device of asynchronous motor |
| 09/11/2013 | CN103296685A SVC (static var compensator) compensation strategy optimizing method |
| 09/11/2013 | CN103296684A Electromagnetic voltage-regulator |
| 09/11/2013 | CN103296683A Microcomputer controllable silicon intelligent electric power compensation starter |
| 09/11/2013 | CN103296682A Multiple spatial and temporal scale gradually-advancing load dispatching mode designing method |
| 09/11/2013 | CN103296681A Real-time electric vehicle and wind power collaborative dispatching and optimizing method |
| 09/11/2013 | CN103296680A Distributed calculating method of economical dispatching of interconnected power network |
| 09/11/2013 | CN103296679A Modeling method for medium and long-term wind power output model of power system capable of optimally running for medium and long terms |
| 09/11/2013 | CN103296678A Online assistant decision making method for large power grid restoration |
| 09/11/2013 | CN103296677A On-line large power grid recovery assistant decision-making system |
| 09/11/2013 | CN103296676A Simulation system of microgrid |
| 09/11/2013 | CN103293963A Adaptive fuzzy backstepping tracking control method of active power filter |
| 09/11/2013 | CN103293379A Effective value based APF (active power filter) harmonic measuring method and control method of direct current side voltage control method thereof |
| 09/11/2013 | CN102324742B Dynamic power flow control device and method of controllable transformer |
| 09/11/2013 | CN102305891B On-line monitoring method of low-frequency oscillation of power system |
| 09/11/2013 | CN102290819B Regional power grid incremental type multiple-target layering dynamic reactive power control system |
| 09/11/2013 | CN102136731B Blower control system |
| 09/11/2013 | CN102113194B Storage system that maximizes the utilization of renewable energy |
| 09/11/2013 | CN102035210B Relaxative-constraint powerless equipment optimization method for power system |
| 09/11/2013 | CN101682190B Active filter having multilevel topology |
| 09/11/2013 | CN101529686B System for generating, converting, distributing and electrically starting on board an aircraft |
| 09/11/2013 | CN101436850B Impedance matching methods and systems performing the same |
| 09/11/2013 | CN101273518B Direct-current transmission regulating method with multiple current transformers |
| 09/10/2013 | US8532836 Demand response load reduction estimation |
| 09/10/2013 | CA2820477A1 Low power and low emi power stealing circuit for a control device |
| 09/06/2013 | WO2013131003A1 System and method for estimating performance metrics of conservation voltage reduction (cvr) systems and volt/var optimization systems |
| 09/06/2013 | WO2013130558A2 Method and apparatus for storing power from irregular and poorly controlled power sources |
| 09/06/2013 | WO2013129983A1 Method for remote control of a power converter module and a device therefor |
| 09/06/2013 | WO2013129958A1 A method for computer-assisted control of an electric power grid |
| 09/06/2013 | WO2013128422A1 Method and apparatus for managing electric energy produced locally for self-consumption and distributed to multiple users belonging to one or more communities of users |
| 09/06/2013 | WO2013128148A1 Control circuit |
| 09/06/2013 | WO2013127463A1 High voltage dc circuit breaker apparatus |
| 09/06/2013 | WO2013127462A1 Composite high voltage dc circuit breaker |
| 09/06/2013 | WO2013127461A1 Control circuit |
| 09/06/2013 | WO2013044918A3 A harmonic filter arrangement |
| 09/06/2013 | WO2013030236A3 Photovoltaic dc/ac inverter with cascaded h- bridge converters |
| 09/05/2013 | US20130229739 Voltage balancing of symmetric hvdc monopole transmission lines after earth faults |
| 09/05/2013 | US20130229057 Control apparatus |
| 09/05/2013 | DE102012203334A1 Verfahren zum Betreiben eines Kombikraftwerks bzw. Kombikraftwerk Method for operating a combined cycle power plant or combined cycle power plant |
| 09/05/2013 | DE102012101799A1 Netzinfrastrukturkomponente, Verbundsystem mit einer Mehrzahl von Netzinfrastrukturkomponenten sowie Verwendung des Verbundsystems Network infrastructure component, composite system comprising a plurality of network infrastructure components and use of the composite system |
| 09/05/2013 | DE102012101735A1 Photovoltaic arrangement has transformerless solar inverter that is grounded to direct current side of poles through high value resistor and is decoupled from grounded power supply line by isolating transformer |
| 09/04/2013 | EP2634888A2 PV converter, NA protection and PV system |
| 09/04/2013 | EP2634887A1 Electricity supply system |
| 09/04/2013 | EP2634886A1 Reactive power compensation |
| 09/04/2013 | EP2634498A1 Air conditioning control system and program |
| 09/04/2013 | EP2633597A1 Voltage balancing of symmetric hvdc monopole transmission lines after earth faults |
| 09/04/2013 | EP1410490B1 Control system for a power converter and method of controlling operation of a power converter |
| 09/04/2013 | CN203180598U Wind-storage and light-storage typed station for power charging and battery replacing for electric automobiles |
| 09/04/2013 | CN203180547U Wind, light and hydrogen complementation grid connection type power station based on fuel cell, wind energy and solar energy |
| 09/04/2013 | CN203180546U Micro grid system using organic Rankine cycle |
| 09/04/2013 | CN203180545U Energy storage deflector for liquid flow battery |
| 09/04/2013 | CN203180544U Active transfer-type intelligent combined capacitor |
| 09/04/2013 | CN203180543U Harmonic-wave-resisting intelligent capacitor |
| 09/04/2013 | CN203180542U Multifunctional reactive power automatic compensation controller |
| 09/04/2013 | CN203180541U Pole-mounted automatic reactive power compensator |
| 09/04/2013 | CN203180540U Magnetically controlled rapid response phase-splitting control device for dynamic reactive power compensation system |
| 09/04/2013 | CN203180539U Power factor intelligent improving and energy saving system |
| 09/04/2013 | CN203180538U Electric power reactive power compensation system based on combination of zero-crossing dynamic and static compensation |
| 09/04/2013 | CN203180537U Electric power reactive compensation system based on combination of dynamic compensation and static compensation |
| 09/04/2013 | CN203180536U Reactive power optimization and integrated control system for voltage of regional power grid |
| 09/04/2013 | CN203180535U Intelligent energy saving low voltage reactive power compensation apparatus |
| 09/04/2013 | CN203180534U Reactive power compensation device for distribution line containing 10kV high-power motor |
| 09/04/2013 | CN203180533U Wind power plant in-situ reactive power controlling device |
| 09/04/2013 | CN203180532U Low-voltage hybrid reactive compensation equipment |
| 09/04/2013 | CN203180531U Distribution high-voltage ride through auxiliary system for wind power plant |
| 09/04/2013 | CN203180530U Power unit of active power filter |
| 09/04/2013 | CN203180529U Active filtering compensation device possessing liquid cooling inversion unit |
| 09/04/2013 | CN203180528U System for optimizing motor operation parameters |
| 09/04/2013 | CN203180527U Power quality control device one-time wiring circuit system |
| 09/04/2013 | CN203180526U Medium-voltage overhead power network tie connection system |
| 09/04/2013 | CN203180525U Power supply double-ring network connection system |
| 09/04/2013 | CN203180524U Pressure regulating electricity-saving appliance used for protecting electric equipment |
| 09/04/2013 | CN103283116A Power management server device, power management method and power management program |
| 09/04/2013 | CN103283107A Power controller |
| 09/04/2013 | CN103283106A Methods of operating dual fed systems |
| 09/04/2013 | CN103283105A Method and device for operating a drive train of a hybrid vehicle |
| 09/04/2013 | CN103283104A Power control system and method for controlling power |
| 09/04/2013 | CN103281022A Double-efficiency fuzzy optimization control method for doubly-fed wind generator |
| 09/04/2013 | CN103280868A Bidirectional charging device |
| 09/04/2013 | CN103280845A Water-fire-electricity system trans-provincial peak-regulating load distribution method |
| 09/04/2013 | CN103280844A Alternating/direct current hybrid multi-level micro grid system |
| 09/04/2013 | CN103280843A Control method for load sharing in parallel operation of unequal capacity inverters |
| 09/04/2013 | CN103280842A Synchronization control method and synchronization control system for generating converter internal frequency by direct current (DC) voltage |
| 09/04/2013 | CN103280841A On-grid point confirmation method for intermittent energy sources |