| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 05/04/2011 | CN102044882A Wind-light grid-connected generation system for highway isolated grassland |
| 05/04/2011 | CN102044881A Design method for power transmission system line model |
| 05/04/2011 | CN102044880A Power production control system and method |
| 05/04/2011 | CN102044879A Movable type static synchronous compensator (STATCOM) with modularization structure |
| 05/04/2011 | CN102044878A Trigger control system for series thyristors and control method thereof |
| 05/04/2011 | CN102044877A Designing method of equivalent triple-tuned filter based on single-tuned filter |
| 05/04/2011 | CN102044876A Method for positioning disturbance source of power system based on high-order harmonic equivalent impedance property |
| 05/04/2011 | CN102044875A Intelligent power-saving equipment for large electrical appliance |
| 05/04/2011 | CN102044874A Active filter based on periodic discrete control and average current compensation inverse control |
| 05/04/2011 | CN102044873A Power filter |
| 05/04/2011 | CN102044872A Medium-long term forecasting method for wind power |
| 05/04/2011 | CN102044871A Method for matching power flow of superior and inferior power grids in dispatcher training simulators (DTSs) |
| 05/04/2011 | CN102044870A Investigating timing reliability in relation to control of a power transmission system |
| 05/04/2011 | CN102044869A Special topology analysis method and device for distribution network |
| 05/04/2011 | CN102044868A Method and device for monitoring and analyzing line loss of power grid |
| 05/04/2011 | CN101621201B Composite permanent magnet brushless wind power generating set |
| 05/04/2011 | CN101552474B AGC hierarchical coordinative control method based on security constraint of stable cross section |
| 05/04/2011 | CN101503065B Non phase separation type traction power supply equipment for railway locomotive |
| 05/04/2011 | CN101478157B Automatic electricity generation control system and load prediction automatic integrated optimization method |
| 05/04/2011 | CN101404414B Power distribution network electromagnetic optimization dynamic loss reduction method, system and synthetic loss reduction system |
| 04/29/2011 | CA2719406A1 Switchable electrical power system |
| 04/29/2011 | CA2718761A1 Sequenced separately-derived transfer switch capable of switching a load between a pair of power supplies without introducing open neutral switching transients |
| 04/28/2011 | WO2011050303A1 Method and apparatus for improving the operation of an auxiliary power system of a thermal power plant |
| 04/28/2011 | WO2011048944A1 Control apparatus, energy system and method for controlling same |
| 04/28/2011 | WO2011008944A3 Smart and scalable power inverters |
| 04/28/2011 | WO2011008701A3 Method and apparatus for identifying redeployed distributed generator components |
| 04/28/2011 | WO2010149590A3 Method of controlling a network computing cluster providing it-services |
| 04/28/2011 | WO2010081165A3 Nested, hierarchical resource allocation schema for management and control of an electric power grid |
| 04/28/2011 | WO2009056988A3 An apparatus and a method for premises power parameters and power-factor reporting and their management |
| 04/28/2011 | US20110099389 Stand-by power system for information handling systems |
| 04/28/2011 | US20110096575 Plant for transmitting electric power |
| 04/28/2011 | US20110095725 Batteries, Battery Systems, Battery Submodules, Battery Operational Methods, Battery System Operational Methods, Battery Charging Methods, and Battery System Charging Methods |
| 04/28/2011 | US20110095616 Electric power selling system |
| 04/28/2011 | US20110095610 System for processing analog-type electrical signals with low noise driving device |
| 04/28/2011 | US20110095608 Power node for energy management |
| 04/28/2011 | DE202010015825U1 Elektrisches Energieversorgungssystem mit parallelgeschalteten Leistungsmodulen The electric power supply system with parallel-connected power modules |
| 04/28/2011 | CA2778418A1 System and method for reinjection of retard energy in a trolley-based electric mining haul truck |
| 04/27/2011 | EP2315348A1 Two stage solar converter with DC bus voltage control |
| 04/27/2011 | EP2315333A2 System and method for decreasing solar collector system losses |
| 04/27/2011 | EP2315332A2 Electric power selling system |
| 04/27/2011 | EP2315331A2 Integrated real-time power and solar farm control system |
| 04/27/2011 | EP2315330A2 Power ramp rate control for renewable variable power generation systems |
| 04/27/2011 | EP2315329A2 Systems and methods for regulating power in renewable energy sources |
| 04/27/2011 | EP2315087A2 Method and apparatus for monitoring a power system |
| 04/27/2011 | EP2314061A1 Power booster for cable systems |
| 04/27/2011 | EP2122819B1 Method and arrangement to reverse the power flow of a direct current power transmission system |
| 04/27/2011 | CN201813234U Brushless double-fed wind driven generator |
| 04/27/2011 | CN201813172U Elevator electric energy feedback reutilizing device |
| 04/27/2011 | CN201813171U Two-stage photovoltaic grid-connected control device based on pole assignment and repetitive control combination |
| 04/27/2011 | CN201813170U Parallel operation control device for marine generator |
| 04/27/2011 | CN201813169U Loading type fast small paralleling device of small hydroelectric generating set |
| 04/27/2011 | CN201813168U Mine and rail transit quick voltage regulation reactive compensation device |
| 04/27/2011 | CN201813167U PWM (pulse-width modulation) split-phase control capacitance-type SVC (switching virtual circuit) device based on inverse resistance type IGBT (insulated gate bipolar translator) |
| 04/27/2011 | CN201813166U General reactive compensation integrated system adopting main controller to control and manage multiple reactive compensation devices |
| 04/27/2011 | CN201813165U Intelligent control and protection compound switch |
| 04/27/2011 | CN201813164U Anti-interference uninterrupted power supply (UPS) device |
| 04/27/2011 | CN201813163U Full-bridge parallel active power filter in single-phase and three-phase single-power tube bridge arm structures |
| 04/27/2011 | CN201813162U Filtering control system |
| 04/27/2011 | CN201813161U Wind power forecasting system |
| 04/27/2011 | CN201813091U Single-phase preassembled box type transformer substation |
| 04/27/2011 | CN201812619U Outdoor single-phase discharge coil |
| 04/27/2011 | CN102037629A Synergistic system between battery charger and battery |
| 04/27/2011 | CN102037627A Decision device with minimum power transmission loss system, method, and program |
| 04/27/2011 | CN102037626A Method for managing electrical network |
| 04/27/2011 | CN102037625A Electrical network |
| 04/27/2011 | CN102037469A Energy supply system with a protected solar module |
| 04/27/2011 | CN102035423A Three-phase four-wire three-level photovoltaic grid-connected connection inverter and control method thereof |
| 04/27/2011 | CN102035402A Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| 04/27/2011 | CN102035256A Auxiliary decision method for recovering group multiattitude of power system |
| 04/27/2011 | CN102035219A Unipolar ringless wide hysteresis control device and method for grid-connected current of single-phase grid-connected inverter |
| 04/27/2011 | CN102035218A Power confluence method of multiple high altitude wind generating sets for intermittent power generation |
| 04/27/2011 | CN102035217A Control method for actively preventing simultaneous low-voltage tripping of sets in wind power field |
| 04/27/2011 | CN102035216A Grid-connected control method and device for combining generator and matrix converter |
| 04/27/2011 | CN102035215A Power conversion control system |
| 04/27/2011 | CN102035214A System operating mode selecting method in process of restoring direct current support weak receiving system |
| 04/27/2011 | CN102035213A Multi-use energy storage for renewable sources |
| 04/27/2011 | CN102035212A Electric locomotive non-power-off neutral section passing-electric energy quality comprehensive compensation device and method |
| 04/27/2011 | CN102035211A Method, device and system for inhibiting low-frequency oscillation of power system |
| 04/27/2011 | CN102035210A Relaxative-constraint powerless equipment optimization method for power system |
| 04/27/2011 | CN102035209A 10kV static reactive compensation device based on pulse drive control |
| 04/27/2011 | CN102035208A Reactive power regulation and voltage support for renewable energy plants |
| 04/27/2011 | CN102035207A High-voltage electric power-saving equipment |
| 04/27/2011 | CN102035206A Dynamic filter reactive power compensation device for fan converter cabinet |
| 04/27/2011 | CN102035205A Method for evaluation of voltage reactive operation state of high voltage distribution network |
| 04/27/2011 | CN102035204A Traction substation calculation method for transient-state analysis of power system |
| 04/27/2011 | CN102035203A Fast calculation method of tie-line transient state stable limiting transmission power |
| 04/27/2011 | CN102035202A Network reconfiguration system |
| 04/27/2011 | CN102035201A Power planning system and power planning method |
| 04/27/2011 | CN102035200A Method and device for processing signals |
| 04/27/2011 | CN102034159A Intelligent scheduling system of large-scale spanning watershed hydroelectric power stations |
| 04/27/2011 | CN102032484A LED fluorescent lamp and power circuit thereof |
| 04/27/2011 | CN101709597B Concentrating solar tile capable of supplying heat and generating power |
| 04/27/2011 | CN101599643B Robust state estimation method in electric power system based on exponential type objective function |
| 04/27/2011 | CN101465547B Optimum tide solvability identification method for electric power system |
| 04/27/2011 | CN101394694B Low-voltage side voltage regulating and dynamic compensating device for electric arc furnace |
| 04/27/2011 | CN101299540B Apparatus for implementing low voltage cross-over of wind generator set |
| 04/27/2011 | CN101257222B Burst power failure emergency electric power safeguard system at mobile area |
| 04/26/2011 | US7933689 Method for controlling at least one load connected to a primary and a backup power supply |
| 04/26/2011 | US7932637 Control of small distributed energy resources |
| 04/26/2011 | US7932635 Transfer switch system with neutral current management |