Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
---|
09/08/2010 | CN101828314A Secondary battery control apparatus and control method |
09/08/2010 | CN101826821A Electric energy control method of optical network hybrid power supply uninterruptable inverter |
09/08/2010 | CN101826814A Rail pressure generation module and system integration technology |
09/08/2010 | CN101826804A Parallel-type permanent magnet direct-drive wind power converter in wind driven generation system and control method thereof |
09/08/2010 | CN101826735A System capable of feeding LED load power energy back to commercial power network |
09/08/2010 | CN101826734A System capable of feeding electric energy loaded by battery back to power grid |
09/08/2010 | CN101826733A System capable of feeding load power energy back to commercial power network |
09/08/2010 | CN101826732A System capable of feeding electric energy loaded by alternating current equipment back to power grid |
09/08/2010 | CN101826731A System capable of feeding DC equipment load power energy back to commercial power network |
09/08/2010 | CN101826730A Rotating coordinate system-based high-efficiency BANG-BANG software phase locked loop |
09/08/2010 | CN101826729A Automatically switching device for economical parallel running of remotely-mounted distribution transformer |
09/08/2010 | CN101826728A Dynamic reactive power compensation device and control method thereof |
09/08/2010 | CN101826727A Method for realizing emergency control on frequency and voltage of electric system |
09/08/2010 | CN101826726A Three-phase load unbalanced limitation method and voltage-regulation type three-phase load unbalanced limiter |
09/08/2010 | CN101826725A Method based on shortest path for calculating power loop-closing path |
09/08/2010 | CN101826723A Power grid voltage comprehensive control system |
09/08/2010 | CN101364738B Tracing and simulating test method for voltage reactive integrated control system |
09/08/2010 | CN101340088B Selecting and ordering method for conductive wire of extra-high voltage AC line |
09/08/2010 | CN101325335B Hyposynchronous damped control system |
09/08/2010 | CN101233662B Communication system for inductive power transfer system |
09/08/2010 | CN101159381B Transforming plant voltage reactive integrated control system acting equipment selection technology |
09/08/2010 | CN101154812B Combination type energy feedback method for multi-output power supply and its implementing circuit |
09/08/2010 | CN101145692B Drawing network high and second harmonic wave and resonance and transient voltage restraint device |
09/08/2010 | CN101141067B Limitation inrush current push-pull device |
09/07/2010 | US7791314 Power management topologies to control power between a DC power source and one or more batteries to a system load |
09/07/2010 | US7791223 Method and device for preventing the disconnection of an electric power generating plant from the electrical grid |
09/07/2010 | US7791222 Multi-output power supply device |
09/07/2010 | US7791220 Automatic sensing power systems and methods |
09/07/2010 | US7791215 Intra-bundle power line carrier current system |
09/03/2010 | CA2695098A1 Semi-direct variable speed drive with n+1 power availability |
09/02/2010 | WO2010098824A1 Methods and apparatus for energy demand management |
09/02/2010 | WO2010098456A1 Power control device and method |
09/02/2010 | WO2010098455A1 Emission factor calculator and emission factor calculation method |
09/02/2010 | WO2010097122A1 A modular voltage source converter |
09/02/2010 | US20100219691 Supply voltage selector |
09/02/2010 | US20100219686 Protective device against abnormality for positive and negative dual power supply circuit |
09/02/2010 | DE102009010117A1 Electricity reference output standardizing method for energy consumer in household application, involves switching electricity consuming devices according to priority for supplying output of electricity without exceeding reference value |
09/02/2010 | DE102009001123A1 Energy conversion and storage device is provided with power supply devices, timers for supplying or disconnecting power supply devices, accumulator for storing energy, and automatic battery charger |
09/02/2010 | CA2753678A1 Methods and apparatus for energy demand management |
09/01/2010 | EP2224571A1 Power supply system |
09/01/2010 | EP2224570A2 System and method for improving power grid stability |
09/01/2010 | EP2224569A2 Grid interconnection device and power control system |
09/01/2010 | EP2224568A2 Grid interconnection device, grid interconnection system, and power control system |
09/01/2010 | EP2223410A1 Modelling a power production network for distributing the load |
09/01/2010 | EP2223407A2 Fault situation processing arrangement of a load distribution system of a local electric power transmission network |
09/01/2010 | EP2223406A2 Event-based control system for wind turbine generators |
09/01/2010 | EP2223405A1 Method and device for filtering a filter output current and / or voltage of an inverter output |
09/01/2010 | EP2158657B1 Control system and method for a tcsc in an electric energy transport network in particular using a sliding-modes approach |
09/01/2010 | EP2096732B1 Energy system comprising a wind or water turbine |
09/01/2010 | CN201570912U 10kV subdistrict power supply intelligent system |
09/01/2010 | CN201570872U Two-out-of-three logic circuit of generator parallel signals |
09/01/2010 | CN201570871U Back pressure type turbo-generator set accessed station service electrical system |
09/01/2010 | CN201570870U LVRT (low voltage ride-through) control apparatus and wind-power generation equipment |
09/01/2010 | CN201570869U Topological structure of converter used by megawatt double-fed wind turbine |
09/01/2010 | CN201570868U Combined type fling-cut switch |
09/01/2010 | CN201570867U Intelligent learning type power compensating controller |
09/01/2010 | CN201570866U Low-voltage intelligent dynamic reactive compensator |
09/01/2010 | CN201570865U Inner triangle type low pressure intelligent rapid composite switch action execution circuit |
09/01/2010 | CN201570864U Intelligent type comprehensive power saving device for electric power |
09/01/2010 | CN201570863U Apparatus for low-frequency deloading and high-cycle loading after overcutting |
09/01/2010 | CN201570862U Sensing photoelectric net |
09/01/2010 | CN201570861U Device for acquiring and processing factory-level automatic generation control instruction |
09/01/2010 | CN201568218U Brushless electric excitation synchronous wind generating set |
09/01/2010 | CN101820230A High-frequency isolation type grid-connected inverter |
09/01/2010 | CN101820175A Grid interconnection device and power control system |
09/01/2010 | CN101820174A Grid interconnection device, grid interconnection system, and power control system |
09/01/2010 | CN101820173A Intelligent power capacitor synchronous fling-cut switch |
09/01/2010 | CN101820172A Power grid flexible constraint integrated system |
09/01/2010 | CN101820171A Power supply method and power supply conversion device |
09/01/2010 | CN101820170A Device and method for cutting off short-circuit current |
09/01/2010 | CN101409447B Method for optimizing electric power system tide base on part automatic differential technology |
09/01/2010 | CN101359829B Power angle stabilizing determination method for electrical power system |
09/01/2010 | CN101340094B Automatic switching reactive compensator of tunable reactor type capacitor |
09/01/2010 | CN101202453B Method and system for controlling single-phase semi-bridge inversion parallel connection direct current circulating current |
08/31/2010 | US7788189 Multi-utility energy control and facility automation system with dashboard having a plurality of interface gateways |
08/31/2010 | US7787266 Method for operating a frequency converter of a generator |
08/31/2010 | US7786616 Generator with DC boost and split bus bidirectional DC-to-DC converter for uninterruptible power supply system or for enhanced load pickup |
08/31/2010 | US7786615 Power distribution architecture for actuating moving elements of an aircraft in sequence |
08/26/2010 | WO2010096709A2 Solar chargeable battery for portable devices |
08/26/2010 | WO2010094621A1 A method for testing a power distribution system and a power distribution system analyser device |
08/26/2010 | WO2010094303A1 Method for the graphical configuration of a power supply management system |
08/26/2010 | US20100217453 Grid Interconnection Device, Grid Interconnection System, And Power Control System |
08/26/2010 | US20100216522 Cell phone battery system with back-up reserve |
08/26/2010 | US20100214210 Current balancing device, led lighting apparatus, lcd backlight module, and lcd display unit |
08/26/2010 | US20100213919 Temperature compensation in integrated circuit |
08/26/2010 | US20100213763 Power demand management method and system |
08/26/2010 | US20100213762 Grid Interconnection Device And Power Control System |
08/26/2010 | US20100213761 Field Level Inverter Controller |
08/25/2010 | EP2221944A2 Energy management system and method |
08/25/2010 | EP2221936A2 System and method for control of a grid connected power generating system |
08/25/2010 | EP2221935A2 Control unit with a configurable control circuit for controlling at least one main circuit device of a consumer branch |
08/25/2010 | EP2221934A1 Aerogenerator system |
08/25/2010 | EP2221756A2 Energy management |
08/25/2010 | EP2221626A1 A method for testing a power distribution system an a power distribution system analyser device |
08/25/2010 | EP2220740A1 Electricity supply apparatus of an industrial site |
08/25/2010 | EP2220739A1 System and method for power management and load shedding |
08/25/2010 | CN201563281U Dimming circuit of energy-saving lamp |
08/25/2010 | CN201563274U Digital processing controlled energy saving device for illumination used in active electric filtering |
08/25/2010 | CN201563268U Drive circuit for OLED lamp |
08/25/2010 | CN201563098U Double-feedback motor wind power interconnected rotor excitation control apparatus based on self-anti-interference |