| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 05/14/2008 | EP1920515A1 Wind mill power flow control with dump load and power converter |
| 05/14/2008 | CN201061153Y Full power networking convertor for megawatt wind power generation |
| 05/14/2008 | CN201061152Y Power condenser on/off switch |
| 05/14/2008 | CN201061151Y Domestic security electricity-saving device |
| 05/14/2008 | CN201061150Y Intelligent reactive compensation contactless routing switching mechanism |
| 05/14/2008 | CN201061149Y Intelligent reactive power phase-splitting compensation controller |
| 05/14/2008 | CN201061148Y Low-voltage power condenser combined electrical apparatus with low-voltage power condenser as structure basis |
| 05/14/2008 | CN201061147Y Automatic switching compound control device of static reactive compensator |
| 05/14/2008 | CN201061146Y Three-phase harmonic filter |
| 05/14/2008 | CN201061145Y YN,vd connection transformer constituted railway engine traction cophase supply device |
| 05/14/2008 | CN201061144Y Dynamic voltage compensator using three single-phase structure |
| 05/14/2008 | CN201058811Y Cascade power and control system of high-power ozone generating apparatus |
| 05/14/2008 | CN101179197A Three-phase load automatic equalization device of power distribution network |
| 05/14/2008 | CN101179196A Determined 2-layered planning model based transmission network planning method |
| 05/14/2008 | CN101179195A Power distribution network planning scheme assistant decision system |
| 05/14/2008 | CN100388596C Synchronous compensator plant |
| 05/14/2008 | CN100388579C Protection circuit for preventing thyratron transistor misoperation in SVC system |
| 05/13/2008 | US7373527 System and method for interleaving point-of-load regulators |
| 05/13/2008 | US7373221 Energy consumption monitoring |
| 05/13/2008 | US7372709 Power conditioning system for energy sources |
| 05/13/2008 | US7372177 Control system, method and product for uninterruptible power supply |
| 05/13/2008 | US7372173 Wind farm and method for operating same |
| 05/13/2008 | US7371963 Photovoltaic power generation system |
| 05/08/2008 | WO2008028144A3 Method and apparatus for a power line communications test system |
| 05/08/2008 | US20080106148 Power Saver Controller |
| 05/08/2008 | US20080106147 Apparatus and system for measurement and control of electrical power consumption |
| 05/08/2008 | US20080106146 Management System for In-House Power Quantity Consumed |
| 05/08/2008 | US20080105499 Elevator system |
| 05/08/2008 | DE102006053280A1 Multiple plug socket for connecting e.g. personal computer with e.g. loudspeaker, has adjusting device with sensor for detecting power level at master socket, and memory unit for determining and storing value in dependence of power level |
| 05/08/2008 | DE102006051546A1 Verfahren zum Betrieb einer Windenergieanlage mit einem doppelt gespeisten Asynchrongenerator sowie Windenergieanlage mit einem doppelt gespeisten Asynchrongenerator Method for operating a wind turbine with doubly-fed induction generator, wind turbine with doubly-fed induction |
| 05/08/2008 | DE102006050509A1 Verfahren zur geregelten Auskopplung elektrischer Energie aus dem Niederspannungsnetz Method for the controlled extraction of electrical energy from the low voltage grid |
| 05/07/2008 | EP1919076A2 Methods and apparatus for controlling current in an electrical machine |
| 05/07/2008 | EP1919057A2 Inter-regulator control of multiple electric power sources |
| 05/07/2008 | EP1919056A2 Grid interconnection device, grid interconnection system and transfer trip system |
| 05/07/2008 | EP1919055A2 Method for operating a wind farm facility with a double feed asynchronous generator and wind farm facility with a double feed asynchronous generator |
| 05/07/2008 | EP1919054A2 Method and apparatus for improving AC transmission system dispatchabilty, system stability, and power flow controllability using DC transmission system |
| 05/07/2008 | EP1918649A2 Heating system |
| 05/07/2008 | EP1918153A1 Rail vehicle or other path-constrained vehicle equipped for providing solar electric power for off-vehicle use |
| 05/07/2008 | EP1917707A2 Modular system controlled according to power requirements |
| 05/07/2008 | EP1726088B1 Wind energy unit |
| 05/07/2008 | CN101176244A An AC power generating system |
| 05/07/2008 | CN101174759A Integrated monitoring apparatus for electrical power distribution |
| 05/07/2008 | CN100386939C Power user intelligent reactive power automatic compensation energy saving device |
| 05/07/2008 | CN100386938C Unified constant frequency integral controlled 3-phase 4-line active power filter control method |
| 05/06/2008 | US7368832 Circuit and fault tolerant assembly including such circuit |
| 05/06/2008 | US7368831 Power converter feedback circuit |
| 05/06/2008 | US7368830 Polyphase power distribution and monitoring apparatus |
| 05/06/2008 | US7368686 Apparatus and methods for operating an electric appliance |
| 05/06/2008 | CA2573179A1 Rail vehicle or other path-constrained vehicle equipped for providing solar electric power for off-vehicle use, and systems in support thereof |
| 05/02/2008 | WO2008051386A2 Method of load shedding to reduce the total power consumption of a load control system |
| 05/02/2008 | WO2008049886A1 System for generating, converting, distributing and electrically starting on board an aircraft |
| 05/02/2008 | WO2008049556A1 Method for operating a low-voltage electrical system |
| 05/02/2008 | WO2008049541A1 Controllable phase-angle converter |
| 05/02/2008 | WO2007132157A3 An electrical generation protection system |
| 05/02/2008 | CA2667270A1 System for generating, converting, distributing and electrically starting on board an aircraft |
| 05/02/2008 | CA2667229A1 Controllable phase-angle converter |
| 05/02/2008 | CA2666430A1 Method of load shedding to reduce the total power consumption of a load control system |
| 05/01/2008 | US20080100232 Power Supply Apparatus, Light Emitting Apparatus, and Display Apparatus |
| 04/30/2008 | CN201054515Y Data recording, remote transmission and display unit for optical voltage mesh parallel converter |
| 04/30/2008 | CN201054505Y Data centralizer for optical voltage grid-parallel station |
| 04/30/2008 | CN201054504Y Intelligent low-voltage passive compensation integrated module |
| 04/30/2008 | CN201054503Y Slave-master type low-voltage distribution energy saving device |
| 04/30/2008 | CN201054497Y Resonance and arc-elimination integrated device for neutral non-valid ground mesh |
| 04/30/2008 | CN201054305Y Wide value scope 10-in capacitance box |
| 04/30/2008 | CN201054198Y A new power factor compensation tester |
| 04/30/2008 | CN101171731A Consumer and system |
| 04/30/2008 | CN101171195A Elevator system |
| 04/30/2008 | CN101170284A Single-phase integrated power quality controller for electric railway power supply |
| 04/30/2008 | CN101170259A DC voltage balance control system for mixed multi-level static synchronization compensator |
| 04/30/2008 | CN101170254A Unbalanced protection method and device for high-voltage serial connection compensation capacitor group |
| 04/29/2008 | US7365451 Power converter |
| 04/29/2008 | US7365444 Active anti-islanding system and method |
| 04/29/2008 | CA2337388C Control system adapted to control operation of an ac/dc converter |
| 04/24/2008 | WO2008047400A1 Electric power system |
| 04/24/2008 | WO2008046309A1 A method and a device for managing electric network non-power frequency |
| 04/24/2008 | WO2008028203A3 Method for control of inverters |
| 04/24/2008 | US20080097782 Multi-utility energy control and facility automation system with dashboard having a plurality of interface gateways |
| 04/24/2008 | US20080094863 Inverter-filter non-linearity blanking time and zero current clamping compensation system and method |
| 04/24/2008 | US20080093928 Power outlet control device with USB controller(s) |
| 04/24/2008 | US20080093927 Modular power distribution unit system |
| 04/24/2008 | US20080093926 Power device and power device power supply method |
| 04/24/2008 | US20080093922 Armored flat cable signalling and instrument power acquisition |
| 04/24/2008 | US20080093855 Methods and apparatus for supplying and/or absorbing reactive power |
| 04/24/2008 | DE102007018683A1 Autonomes Regelkonzept zur Unterstützung des Energieversorgungsnetzes durch Anlagen mit Wechselrichtern (PV-Anlagen) Autonomous control concept to support the power supply network by systems with inverters (PV systems) |
| 04/23/2008 | EP1914420A1 Wind energy installation and method of controlling the output power from a wind energy installation |
| 04/23/2008 | EP1914419A1 Wind energy installation and method of controlling the output power from a wind energy installation |
| 04/23/2008 | CN201051673Y High-voltage power-saver |
| 04/23/2008 | CN201051672Y Mine thermal furnace power grid low voltage filtering compensation power-saving device |
| 04/23/2008 | CN201051671Y Energy-saving power grid monitoring and dynamic harmonic wave management protection device |
| 04/23/2008 | CN201051670Y Integrated tide controller with short circuit current limit function |
| 04/23/2008 | CN101167031A Apparatus and method to compensate for effects of load capacitance on power regulator |
| 04/23/2008 | CN101166010A Method and apparatus for operating electrical machines |
| 04/23/2008 | CN101165989A Wound-rotor type electromotor dynamic compensation controller |
| 04/23/2008 | CN101165987A Air convection generating system |
| 04/23/2008 | CN100384081C DSP-based digital excitation controller data acquisition and processing system |
| 04/23/2008 | CN100384048C Digital automatic quasi-synchronous control device and method for synchronous generator |
| 04/23/2008 | CN100384047C Intelligent reactive compensation complete device of pillar high voltage line |
| 04/23/2008 | CN100384046C High voltage reactive-load compensation complete equipment |
| 04/23/2008 | CN100384045C Virtual work compensating device |
| 04/22/2008 | US7362009 Chain reaction control circuit for parallel power supply |