H02J 3 - Circuit arrangements for ac mains or ac distribution networks

Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
12/2006
12/05/2006	CA2417384C Wind power plant
11/2006
11/30/2006	WO2006126003A1 Control system
11/30/2006	US20060267408 Load drive circuit, integrated circuit, and plasma display
11/29/2006	EP1726088A1 Wind energy unit
11/29/2006	EP1323222B1 Island network and method for operation of an island network
11/29/2006	CN2842838Y Usb接口电路 Usb Interface Circuit
11/29/2006	CN2842837Y Switch powersupply parallel operation system and its output overvoltage protective circuit
11/29/2006	CN2842836Y Electricity saver with intelligent reactive compensation function
11/29/2006	CN1287499C Method for automatic controlling voltage of electrical power system
11/28/2006	US7142949 Aggregation of distributed generation resources
11/28/2006	US7142440 Ripple-current reduction for transformers
11/28/2006	US7141895 Circuit arrangement comprising a power supply unit
11/28/2006	CA2248400C Power flow control and power recovery with rotary transformers
11/28/2006	CA2248399C Compensation for power transfer systems using variable rotary transformer
11/27/2006	CA2547400A1 Circuitry for optimization of power consumption in a system employing multiple electronic components, one of which is always powered on
11/23/2006	WO2006124868A2 Multi-level active filter
11/23/2006	WO2006123006A1 Distributed generation system with improved network power quality
11/23/2006	WO2006068634A3 Method for islanding detection of grid-connected electrical power systems
11/23/2006	WO2006065859A3 Dynamic load control in a customer distribution network
11/23/2006	WO2006047270A3 Power line communications system and method
11/23/2006	US20060265107 Apparatus for generating high-voltage and method thereof
11/23/2006	US20060261785 Controlled dc power supply for a human powered vehicle
11/23/2006	CA2608741A1 Multi-level active filter
11/22/2006	EP1723709A1 Device for the prevention of serious faults in electrical mains supply networks
11/22/2006	EP0929926B1 Method and apparatus for supplying contactless power
11/22/2006	CN2840585Y Power factor compensating quick heating water heater
11/22/2006	CN2840467Y Intelligent reactive-load compensation equipment
11/22/2006	CN2840466Y Electricity-consumption load wired controller device capable of executing ordered electricity consumption five-stage early warning scheme
11/22/2006	CN2840465Y Peak-to-valley electricity automatic switching device with voltage comparating shockproof function
11/22/2006	CN2840464Y Peak-to-valley electricity automatic switching device with voltage comparating power-saving function
11/22/2006	CN1866716A Electrical power source, operational method of the same, inverter and operational method of the same
11/22/2006	CN1286240C Method and device for controlling parallel power sources
11/22/2006	CN1286239C A method and a device for damping power oscillations in transmission lines
11/22/2006	CN1286235C Power distribution equipment monitoring control system
11/21/2006	US7138729 Electrical power control system
11/21/2006	US7138728 Anti-islanding techniques for distributed power generation
11/16/2006	WO2006121893A2 Power factor correction apparatus and method of producing a power factor correction capacitance for a specified load
11/16/2006	WO2006120283A1 Elevator system
11/16/2006	WO2006120033A2 Wind farm power control system
11/16/2006	WO2006119831A2 Consumer and system
11/16/2006	WO2006119649A1 Energy distribution micro grid
11/16/2006	WO2006065340A3 Arrangement of daisy chained inductive couplers for data communication
11/16/2006	US20060259201 Home power management system
11/16/2006	US20060259199 Method and a system for automatic management of demand for non-durables
11/16/2006	US20060255791 Device and a method for power balancing
11/16/2006	US20060255594 Voltage control for wind generators
11/16/2006	DE102005022831A1 Unit for electrical work production from a block heat power unit has switch-over device for supplying from the block heat power unit or a mains supply undertaking
11/16/2006	CA2608034A1 Wind farm power control system
11/16/2006	CA2604744A1 A system comprising a load inductively powered from an inductor inserted in the load
11/15/2006	EP1722046A2 Interactive building module
11/15/2006	EP1721229A1 Dynamic reactive compensation system and method
11/15/2006	EP1520090B1 Method for operating an energy storing energy generating plant
11/15/2006	EP0906654B1 Power line harmonic reduction by hybrid parallel active/passive filter system with square wave inverter and dc bus control
11/15/2006	CN2838125Y Capacitance compensation box
11/15/2006	CN2838124Y Power supply waveform correction filter
11/15/2006	CN2838123Y Combined rolling mill load filter
11/15/2006	CN1862907A Rotary electromagnetic type active and reactive power continuously regulater
11/15/2006	CN1862906A Series active AC voltage quality regulator and controlling method
11/15/2006	CN1862905A Power source apparatus, power source system, electric power apparatus and electric power system
11/15/2006	CN1862904A Controlling device and method for power source system and electric power system
11/14/2006	US7135956 System and method for monitoring and controlling energy usage
11/14/2006	US7135850 Electricity meter with power supply load management
11/14/2006	US7135789 Controlling devices using cascaded control units
11/09/2006	WO2006118475A1 Tuning methods and apparatus for inductively coupled power transfer (icpt) systems
11/09/2006	US20060253225 Operational control device, operational control method, program and storage medium thereof, for a plurality of power consumption systems
11/09/2006	DE102005020519A1 Haushaltgerät mit einer Steuereinrichtung und Verfahren zum Betreiben eines Haushaltgerätes Domestic appliance with a control device and method for operating a household appliance
11/08/2006	EP1719234A1 Electric storage augmentation of fuel cell response to ac system transients
11/08/2006	CN2836307Y Intelligent reactive power automatic compensation energy saver for power consumers
11/08/2006	CN2836306Y Reactive power tracking compensator
11/08/2006	CN2836305Y Rotary reactive power regulator with harmonic suppression function
11/08/2006	CN2836304Y Brushless phase regulator with harmonic suppression function
11/08/2006	CN2836303Y Topology of main circuit for unified electric power quality regulator
11/08/2006	CN2836302Y Generator reactive power regulator
11/08/2006	CN1860655A Method for operating frequence converter of a generator
11/08/2006	CN1858956A Thyristor triggered control method and device for dynamic reactive compensation
11/08/2006	CN1858955A Series-type voltage quality disturbing generating device
11/07/2006	US7133852 Electricity generation equipment management system
11/07/2006	US7133750 System and method for residential emissions trading
11/02/2006	WO2006116520A1 Apparatus and method to compensate for effects of load capacitance on power regulator
11/02/2006	WO2006115992A2 Reconfigurable backplane power distributor
11/02/2006	WO2006087402A3 Method for the continuous regulation of voltage ratio in transformers
11/02/2006	US20060244314 Hybrid power supply assembly utilizing an ultra-capacitor array
11/02/2006	EP1717941A2 Electric power converter
11/02/2006	EP1717923A1 Household appliance with control device and method for operating a household appliance
11/02/2006	EP1716631A1 Matched reactance machine power- generation system
11/02/2006	EP1716629A1 Device for covering the peak load
11/02/2006	EP1436889B1 Power generating system including permanent magnet generator and shunt ac regulator
11/01/2006	CN2833984Y Q-loop structure
11/01/2006	CN2833685Y Mini hydropower factor controller
11/01/2006	CN1856920A Method for operating a wind turbine during a disturbance in the grid
11/01/2006	CN1856755A Device for adjusting the impedance of a high voltage line supplying an alternating current
11/01/2006	CN1855658A Current sense method for bridgeless boost (BLB) PFC circuit using single current transformer
10/2006
10/31/2006	US7130832 Energy service business method and system
10/31/2006	US7130719 System and method of controlling an HVAC system
10/31/2006	US7129687 Transformer over-current protection with RMS sensing and voltage fold-back
10/31/2006	US7129599 Dual feed power supply systems with enhanced power quality
10/31/2006	US7129593 Low-energy storage fast-start uninterruptible power supply method
10/31/2006	US7127896 Engine cogeneration system
10/26/2006	WO2006113518A2 Correction of phase shifts introduced between transformer windings
10/26/2006	WO2006113230A1 Integrated torsional mode damping system and method

1 ... 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 ... 387