| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 10/02/2013 | EP2643914A1 A system for isolating portions of a power supply array |
| 10/02/2013 | EP1244203B1 Power converter circuit for generators with dynamically varying outputpower |
| 10/02/2013 | DE102012205192A1 Energy management system for energy requirement determination between e.g. notebook and system management device, determines position information of each portable communication device |
| 10/02/2013 | DE102012205155A1 Method of controlling power in low-voltage network used in e.g. thermal power station, involves transmitting information signal with power feed information from local area network station to prosumer at preset frequency |
| 10/02/2013 | DE102012205131A1 Method for detecting e.g. small wind-power plant, for supplying power to low-voltage system in rural region, involves transmitting signal to network station of low-voltage system to supply power to low-voltage system through supply system |
| 10/02/2013 | DE102012109420A9 Wechselrichter, insbesondere Photovoltaikwechselrichter, mit Generatoranschluss und Batterieanschluss Inverter, in particular photovoltaic inverter with generator connection and battery connection |
| 10/02/2013 | DE102012102754A1 Energy storage device for power generator e.g. photovoltaic system installed on roof of e.g. residential building, has voltage measuring device which is connected to control unit such that the voltage across storage device is adjusted |
| 10/02/2013 | DE102012102744A1 Method for providing phase locked reference signal for inverter, involves determining frequency and phase of reference signal based on stored variables and operating state, when error is detected |
| 10/02/2013 | CN203225693U Power generation system based on brushless double-fed generator |
| 10/02/2013 | CN203225581U Grid-connected photovoltaic power generation automatic switching apparatus for increasing self-consumed electric power and minimizing power grid surge |
| 10/02/2013 | CN203225529U Grid-side converter experiment system |
| 10/02/2013 | CN203225528U Transformer no-load power factor automatic rectifier |
| 10/02/2013 | CN203225527U Spilt phase sequent switching control device of capacitor |
| 10/02/2013 | CN203225526U Coordinated control system of plurality of static VAR compensators in regional electric network |
| 10/02/2013 | CN203225525U A composite switch used for reactive compensation containing a protection function |
| 10/02/2013 | CN203225524U A reactive compensation controller using voltage division sampling technology |
| 10/02/2013 | CN203225523U A composite switch used for reactive compensation containing an intelligent detection function |
| 10/02/2013 | CN203225522U Power quality comprehensive treatment system |
| 10/02/2013 | CN203225521U Duplicate supply |
| 10/02/2013 | CN203225520U Wiring network of medium-voltage power distribution network |
| 10/02/2013 | CN103339815A A power control circuit and method for stabilizing a power supply |
| 10/02/2013 | CN103339814A Method for eliminating a fault on a high-voltage DC line, system for transmitting an electric current via a high-voltage dc line, and converter |
| 10/02/2013 | CN103337972A Mixed type transverter and wind power generation system |
| 10/02/2013 | CN103337946A Megawatt on/off-network converter composite filter |
| 10/02/2013 | CN103337908A Wattless monitor device of electric power system |
| 10/02/2013 | CN103337900A Off-grid wind power supply system based on gird power complementation |
| 10/02/2013 | CN103337886A Wind and light storage micro-grid system for industrial park |
| 10/02/2013 | CN103337879A Regulation power dynamic optimization and distribution method with dead zone |
| 10/02/2013 | CN103337878A Control method for low-voltage ride through of direct-drive electric excitation type wind turbine generator |
| 10/02/2013 | CN103337877A Direct-current voltage control unit and method for wind power generation system |
| 10/02/2013 | CN103337876A Grid connection and separation control structure and operation method of photovoltaic power generation system |
| 10/02/2013 | CN103337875A Composite control method for grid-connected inverter based on repetitive control and disturbance observer |
| 10/02/2013 | CN103337874A Photovoltaic power generation system, and voltage compensation device and converter applicable to same |
| 10/02/2013 | CN103337873A Photovoltaic power generation system |
| 10/02/2013 | CN103337872A Device enabling wind-generated electricity to charge power grid |
| 10/02/2013 | CN103337871A Wind generating set low voltage ride through circuit and corresponding control method |
| 10/02/2013 | CN103337870A Method for high-voltage direct-current transmission commutation failure prevention |
| 10/02/2013 | CN103337869A Novel battery energy-storage system and function integration designing method thereof |
| 10/02/2013 | CN103337868A Method and device for inhibiting photovoltaic generation output power fluctuation |
| 10/02/2013 | CN103337867A Low voltage load online phase modulation device and phase modulation method thereof |
| 10/02/2013 | CN103337866A Method for identifying low frequency oscillation parameter of power system from random response data |
| 10/02/2013 | CN103337865A Damping adaptive control system based on Youla parameterization and control method |
| 10/02/2013 | CN103337864A Dynamic reactive compensation mounting point optimization method for multi-direct-current centralized infeed receiving end power grid |
| 10/02/2013 | CN103337863A Power factor compensation control method based on static dynamic reactive adjusting device |
| 10/02/2013 | CN103337862A Improvement fundamental frequency modulation method for cascade static synchronous compensator |
| 10/02/2013 | CN103337861A Power distribution network reactive power optimization method based on gold chaotic ecological niche particle swarm algorithm |
| 10/02/2013 | CN103337860A Predictive control system and predictive control method used for APF (active power filter) |
| 10/02/2013 | CN103337859A Splitting control method of large-scale regional power grids |
| 10/02/2013 | CN103337858A Method for building non-linear load model of power distribution network system |
| 10/02/2013 | CN103337857A Voltage wattless control partition method based on generator electrical distance |
| 10/02/2013 | CN103337856A Switch grouping method of network reconstruction of power distribution network |
| 10/02/2013 | CN103337855A Electrical network operation risk assessment method of wind electricity large-scale tripping |
| 10/02/2013 | CN103337853A Direct current power adjustment and control method for inhibiting alternating current-direct current coupling weakening stability |
| 10/02/2013 | CN103337354A Current transformer for high-voltage capacitor series compensation device |
| 10/02/2013 | CN102437772B Bipolar modulation control device of high frequency pulse alternating current link inverter |
| 10/02/2013 | CN102412589B Method and system for realizing subsynchronous resonant control |
| 10/02/2013 | CN102355001B Direct current (DC) drop point selection method for alternating current (AC)-DC system based on stability and economical efficiency |
| 10/02/2013 | CN102244384B Optimal operation method of main transformers based on economic equivalent analysis |
| 10/02/2013 | CN102214925B Filtering device of intermediate frequency smelting furnace |
| 10/02/2013 | CN102185369B Energy recovering method and device of inertial towing equipment |
| 10/02/2013 | CN102165664B Transformer inrush current suppression device |
| 10/02/2013 | CN102110989B Power regulating system and power regulating method for power station |
| 10/02/2013 | CN102097816B Low-voltage traversing control method for double-fed wind power generation system |
| 10/02/2013 | CN102082443B Direct current (DC)-alternating current (AC) converting system and method |
| 10/02/2013 | CN101937435B Online synchronized method of distributed real-time database confronting power system |
| 10/01/2013 | US8546978 Electric circuit device |
| 10/01/2013 | US8546976 System and apparatus for power transfer to vessels |
| 10/01/2013 | US8546975 Power supply device |
| 10/01/2013 | US8546974 Synchronous switching power supply |
| 09/30/2013 | CA2810344A1 Solar roof shingles and underlayment with wireless power transfer and related components and systems |
| 09/26/2013 | WO2013142561A1 Fuel cell power for data center uses |
| 09/26/2013 | WO2013142553A2 System and method for islanding detection and protection |
| 09/26/2013 | WO2013141495A1 Multi-inverter photovoltaic power generation system |
| 09/26/2013 | WO2013141094A1 Behavioral model generating device and method therefor |
| 09/26/2013 | WO2013141039A1 Energy management device, method for managing energy, and program |
| 09/26/2013 | WO2013140916A1 System stabilization device |
| 09/26/2013 | WO2013140874A1 Power conversion device |
| 09/26/2013 | WO2013140604A1 Power consumption mode guiding device and system |
| 09/26/2013 | WO2013140555A1 Voltage control system for electricity distribution system |
| 09/26/2013 | WO2013140373A1 Switching apparatus for photovoltaic panels |
| 09/26/2013 | WO2013139862A2 Method for synchronizing a generator with the mains |
| 09/26/2013 | WO2013139392A1 Switching system for a dc grid |
| 09/26/2013 | WO2013139375A1 An apparatus for controlling the electric power transmission in an hvdc power transmission system |
| 09/26/2013 | WO2013138927A1 Audio system with integrated power, audio signal and control distribution |
| 09/26/2013 | WO2013138892A1 System and method for monitoring fusible switches in a bank of three-phase capacitors connected as an earthed or non-earthed star, used on electrical-energy-distribution lines |
| 09/26/2013 | WO2013138862A1 Photovoltaic system and method |
| 09/26/2013 | WO2013045412A3 Decentralized power generation plant having a device and method for detecting an island network |
| 09/26/2013 | WO2013017630A3 Inverter, photovoltaic system, and operating method for limiting the installation to a predefined percentage of the installed module power |
| 09/26/2013 | WO2013017253A3 Electrical power supply apparatus having a power factor correction and adjustment of current forming signal, and method for the operation thereof |
| 09/26/2013 | WO2013007494A3 Integrated boost / 3 - level inverter for grid coupling of dc sources, power generation plant and operating method |
| 09/26/2013 | WO2012175543A3 Electric network protection with distributed generation |
| 09/26/2013 | US20130249503 Method for automatically re-phasing the current of a domestic electrical network |
| 09/26/2013 | US20130249322 Multilevel converter and topology method thereof |
| 09/26/2013 | US20130249298 Hybrid integrated wind-solar-diesel-city power supply system |
| 09/26/2013 | US20130249292 Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods |
| 09/26/2013 | US20130249286 Power supply device for server cabinets |
| 09/26/2013 | DE102012102403A1 Multilokale Stromeinspeisung in Verbraucherstromkreis mit Leitungsabsicherung Multi-local electricity supply to the load circuit with line fuses |
| 09/26/2013 | CA2862317A1 Method and apparatus for anti-icing and deicing power transmission lines |
| 09/26/2013 | CA2809818A1 Gas turbine start with frequency convertor |
| 09/25/2013 | EP2642633A1 Control device for electrical storage device, electrical storage device, and method for charging/discharging electrical storage device |