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)
12/2009
12/15/2009	US7633180 Electronic apparatus and starting method of the electronic apparatus
12/15/2009	CA2424923C Energy saving electrical power control device and method
12/15/2009	CA2385430C Control arrangement and isolated power supplies for power electronic system
12/10/2009	WO2009147396A1 Electricity control apparatus
12/10/2009	WO2009147274A1 Wind turbine control method
12/10/2009	WO2009146579A1 A magnetic filter and a butt method between a yoke and an iron stud of the magnetic filter
12/10/2009	WO2009114334A3 System and method for load sharing in multi-module power supply systems
12/10/2009	WO2009083448A3 Method for controlling a grid voltage
12/10/2009	US20090307505 Sensing Socket Assembly
12/10/2009	US20090303764 Universal three phase controllers for power converters
12/10/2009	US20090303759 DC filter and voltage source converter station comprising such filter
12/10/2009	US20090303758 Converter
12/10/2009	US20090302815 Voltage regulator system
12/10/2009	US20090302687 Medium Voltage Land Connection for Marine Vessels
12/10/2009	US20090302681 Power supply system
12/10/2009	DE19835857B4 Stromwandlervorrichtung Power conversion device
12/09/2009	EP2131469A2 Method and system to control the intensity by which a battery is charged
12/09/2009	EP2130278A1 Automated system approach to analyzing harmonic distortion in an electric power system
12/09/2009	CN201360228Y Rail pressure power generation module and system thereof
12/09/2009	CN201360152Y Economic operation automatic switching device of 6KV-10KV distribution transformers in parallel connection
12/09/2009	CN201360151Y Low-voltage harmonic wave resistant dynamic reactive compensator
12/09/2009	CN201360150Y Static low-voltage reactive power automatic compensation device
12/09/2009	CN201360149Y Intelligent type high-voltage wattles automatic compensation device
12/09/2009	CN201360148Y Pressure difference protective single-phase discharge coil
12/09/2009	CN201360147Y Pole mounting type high-voltage no-power automatic compensator
12/09/2009	CN201360146Y Two-power-sources switching circuit with contactor maintenance function
12/09/2009	CN201359924Y Low-voltage intelligent capacitor
12/09/2009	CN101599710A Monopole inverter capable of boosting voltage
12/09/2009	CN101599649A Directly-driven wind power generation system and mode for modulating SPWM inversion control signal in system
12/09/2009	CN101599648A High-voltage numerical control feedback type saturated reactive power compensation system
12/09/2009	CN101599647A Distributed reactive power compensation and user terminal remote monitoring device and method thereof
12/09/2009	CN101599646A Magnetic filter and butting method of yoke and column iron of same
12/09/2009	CN101599645A Method for preventing over voltage of inversion-side reverse polar wire of high voltage direct current power transmission system
12/09/2009	CN101599644A Identification equivalence integration load model according to the normal or abnormal operation information of electric network
12/09/2009	CN101599643A Robust state estimation method in electric power system based on exponential type objective function
12/09/2009	CN101599344A Dry-type hollow parallel capacity regulating reactor
12/09/2009	CN101599343A Dry-type hollow series capacity regulating reactor
12/09/2009	CN101599342A Dry-type hollow electric railway series capacity regulating reactor
12/09/2009	CN100568660C 10KV and below power distribution network compensating capacitor configuring method
12/08/2009	US7631204 Power supply device having communication channels with different types of communication connections
12/08/2009	US7629771 Protection device for non-common ground buses
12/08/2009	US7629710 Control device for power supply bus voltage regulation
12/08/2009	US7629709 Regulation of a DC to DC converter
12/03/2009	WO2009146224A1 System, method, and computer software code for linking a plurality of powered systems having different linking protocols to operate as a single powered system
12/03/2009	WO2009145763A1 Impedance correction
12/03/2009	WO2009145475A2 Power control apparatus and method thereof
12/03/2009	WO2009145380A1 A grid-interactive photovoltaic generation system with power quality control and energy saving
12/03/2009	WO2009145010A1 Power supply/demand control device and power supply/demand control method
12/03/2009	WO2009143991A1 Synergistic system between battery charger and battery
12/03/2009	WO2009095412A3 Method for operating a wind turbine
12/03/2009	US20090299540 Emergency frequency load shedding scheme
12/03/2009	US20090299504 Appliance control apparatus and method
12/03/2009	US20090296428 Control and supply system
12/03/2009	US20090295361 Apparatus For Converting Electrical Energy For Conductively Heating Semiconductor Material In Rod Form
12/03/2009	US20090295231 Intelligent Power Collection Network
12/03/2009	US20090295226 System and Method for Load Control
12/03/2009	US20090295225 Modular hvdc converter
12/03/2009	CA2726581A1 Apparatus and method of power control
12/03/2009	CA2723966A1 Synergistic system between battery charger and battery
12/03/2009	CA2666906A1 Cogeneration system
12/02/2009	EP2128973A1 Starting device for at least two synchronous machines
12/02/2009	EP2128956A2 Dual channel power generation system
12/02/2009	EP2128955A2 Variable rate feedforward control based on set point rate of change
12/02/2009	EP2128954A2 Device, control device and method
12/02/2009	EP2128953A2 Electric power and control communications distribution system
12/02/2009	EP2128440A1 Asynchronous generator with control of the voltage applied to the stator
12/02/2009	EP2127061A2 Active filtration of a three-phase current
12/02/2009	CN201355767Y Control circuit for parallel connection of sine wave generators and multi-generator parallel connection system
12/02/2009	CN201355766Y Low-voltage power capacitance combining electric appliance by adopting wireless on-line
12/02/2009	CN101595618A Air conditioner and control method thereof
12/02/2009	CN101595028A Controller
12/02/2009	CN101594068A High efficiency multi-source photovoltaic inverter
12/02/2009	CN101594050A Non-polar electrolytic capacitor control module
12/02/2009	CN101594002A Self-healing control method for operation of urban distribution network
12/02/2009	CN101593983A Method for quickly positioning oscillating center of electric system
12/02/2009	CN101593982A Self and shunt excitation system based on parallel multiple current source converters
12/02/2009	CN101593981A Electric network positive and negative reactive power compensation device
12/02/2009	CN101593980A Novel neutral line triple harmonic current suppressor
12/02/2009	CN101593979A Method and device for optimally allocating plant-level load for heat power plant
12/02/2009	CN101593978A Method and system for analyzing high and low voltage line loss of distribution network
12/02/2009	CN101593977A Method for estimating branch parameters of power network
12/02/2009	CN101593976A Method for constructing physical model of double circuit transmission lines on same tower
12/02/2009	CN101593975A Energy-saving power generation dispatching method
12/02/2009	CN100566069C Wind power device, wind power field and method for operating a wind field
12/02/2009	CN100564856C Domestic combined heat and power unit
12/01/2009	US7626835 Plasma lighting system and control method thereof
12/01/2009	US7626353 Mobile type information terminal and self diagnosis method and operation method thereof
12/01/2009	US7626286 Method for mains-synchronous switching of circuit breakers, and an apparatus for carrying out this method
12/01/2009	US7626283 Alternative alternating current power supply and method of its use
12/01/2009	CA2178190C Air conditioner with solar generator
11/2009
11/26/2009	WO2009142011A1 Decision device with minimum power transmission loss system, method, and program
11/26/2009	WO2009141297A1 Time delay compensation in power system control
11/26/2009	WO2009103020A3 Renewable energy delivery systems and methods
11/26/2009	WO2009068898A3 Frequency sensitive lighting control device
11/26/2009	WO2009049822A3 Wind turbines having control for network faults and operating method therefor
11/26/2009	US20090290385 Resonant power factor correction converter
11/26/2009	US20090289881 Power circuit and liquid crystal display device
11/26/2009	US20090289501 Power supply
11/26/2009	US20090289500 Energy supply device for a plurality of energy consumers connected thereto
11/25/2009	EP2124311A1 Time delay compensation in power system control

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