Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155)
12/2009
12/09/2009CN201360145Y DC system fault electronic alarm
12/09/2009CN101599642A Two-stage power supply system
12/09/2009CN101599641A System and method for supplying power to communication equipment through high voltage direct-current
12/09/2009CN100568656C Current fault detector and circuit interrupter and packaging thereof
12/08/2009US7631204 Power supply device having communication channels with different types of communication connections
12/08/2009US7629786 Device for reducing harmonics in three-phase poly-wire power lines
12/08/2009US7629784 Voltage supply arrangement and method for production of electrical power
12/08/2009US7629771 Protection device for non-common ground buses
12/08/2009US7629712 Electronic apparatus having DC voltage conversion function, and DC voltage converter
12/08/2009US7629711 Load independent voltage regulator
12/08/2009US7629710 Control device for power supply bus voltage regulation
12/03/2009WO2009146259A1 Apparatus and method of optimizing power system efficiency using a power loss model
12/03/2009WO2009144872A1 Rush current preventing circuit
12/03/2009WO2009144370A1 Selective coupling of a powered component
12/03/2009WO2009143575A1 An accessory and charging system for a rechargeable hand-held electrical device
12/03/2009US20090296433 Circuit and topology for very high reliability power electronics system
12/03/2009US20090296432 Apparatus and method of optimizing power system efficiency using a power loss model
12/03/2009US20090296428 Control and supply system
12/03/2009US20090295346 Method and apparatus for implementing an unregulated dormant mode in a power converter
12/03/2009DE102008026145A1 Method for energy management in main power supply of vehicle, involves connecting vehicle battery to main power supply of vehicle having control unit for managing energy supply of vehicle battery
12/03/2009CA2728582A1 An accessory and charging system for a rechargeable hand-held electrical device
12/02/2009EP2128952A2 Method and device for feeding additional safety devices from monitored electricity circuits
12/02/2009EP2125515A1 Transformation device
12/02/2009CN101594236A Method, device and system for realizing power over Ethernet (POE)
12/02/2009CN101594115A Energy-saving device and method applied to numerical control system
12/02/2009CN100566071C Capacitor charging circuit and method thereof
12/01/2009US7626365 Charging system and method
11/2009
11/26/2009US20090289502 Method and system for balancing power distribution in dc to dc power conversion
11/26/2009US20090289499 Prevention of the propagation of power supply noise from one output circuit to another in a semiconductor device
11/25/2009EP2122802A2 Dc power system
11/25/2009EP2122796A2 3-phase high power ups
11/25/2009CN101588125A Power-supply apparatus and control method, power amplifying device
11/25/2009CN101588065A Wireless commerical power management circuit
11/25/2009CN101585320A New energy electric motor vehicle
11/25/2009CN100563077C Power supply system and power supplyer
11/24/2009US7622825 Wide-voltage-range converter
11/24/2009US7622824 Distributed power supply arrangement
11/19/2009US20090284080 Method of controlling dc/dc converter, fuel cell vehicle for carrying out such method
11/18/2009EP2118983A1 Electrical energy converter
11/18/2009CN201349133Y Solar power supply system for AC and DC power conversion load
11/17/2009US7619323 Uninterruptible power supply capable of providing sinusoidal-wave output AC voltage
11/12/2009WO2009136358A1 Direct current power combiner
11/12/2009US20090278408 Integrated dc power system with one or more fuel cells
11/12/2009US20090278405 Systems and methods for multiple source power conversion
11/12/2009DE10020941B4 Prozesstransmitter mit Step-up-Wandler zur Spannungsversorgung analoger Komponenten Process Transmitters with step-up converter for power supply analog components
11/11/2009CN201345044Y Power source control circuit
11/11/2009CN101577491A Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltages
11/11/2009CN101577424A Direct current electric power filtration method
11/11/2009CN101577423A Method and device for inhibiting electromagnetic coupling of AC lines on adjacent DC lines
11/11/2009CN101577422A Dynamic phasor modeling method for current converter of high-voltage direct-current transmission system
11/11/2009CN100559679C Power isolating circuit for non-contact/contact IC card
11/10/2009US7616454 Control circuit having programmable waveform for limiting output power of power converter
11/10/2009US7615965 Power management system
11/10/2009US7615893 Electric control and supply system
11/10/2009US7615887 Method and system for operating a power converter
11/10/2009US7615879 Method of controlling an onboard power supply system for a motor vehicle
11/10/2009US7614381 Power system with an integrated lubrication circuit
11/05/2009WO2009134222A1 System and method for efficient association of a power outlet and device
11/05/2009US20090276642 Voltage regulator with suspend mode
11/05/2009US20090273333 Power supply with adjustable outputted voltage
11/05/2009US20090273242 Wireless Delivery of power to a Fixed-Geometry power part
11/05/2009US20090273241 Direct Current Power Combiner
11/05/2009US20090273239 Semiconductor power distribution and control systems and methods
11/05/2009US20090273238 Power sourcing equipment device including a serial interface
11/04/2009CN101572408A Method for improving simulation capacity of HVDC transmission system
11/03/2009US7613549 Approach for managing power consumption in buildings
11/03/2009US7612470 System for providing power over Ethernet through a patch panel
11/03/2009US7612469 Dual-input redundant power supply
11/03/2009US7612466 System and method for coordinated control and utilization of local storage and generation, with a power grid
11/03/2009US7612465 Power supply circuit containing multiple DC-DC converters having programmable output current capabilities
10/2009
10/29/2009WO2009132160A1 Improved power supply
10/29/2009WO2009130094A1 Device for supplying modular systems with electric energy
10/29/2009US20090268486 Self-oscillating modulator
10/29/2009US20090267588 Method and apparatus to dynamically control impedance to maximize power supply
10/29/2009US20090267581 Hybrid switched mode/linear mode power amplifier control
10/29/2009US20090267421 Power converting device
10/29/2009US20090267416 Arrangement relating power backup and method for power backup
10/29/2009US20090267414 Heating power supply apparatus
10/29/2009US20090267413 Method and On-Board Vehicle Power Supply System for Predictively Increasing the On-Board Vehicle Power Supply System Voltage
10/28/2009EP2112014A1 Drive force generation system, vehicle using the system, and method for controlling the system
10/28/2009EP1131646B1 Battery power source protecting device for an electromotive device
10/28/2009CN101569073A Ultra-fast ultracapacitor pack/device charger
10/28/2009CN101567558A Model and method for evaluating voltage stability of converter busbars of DC transmission systems
10/28/2009CN101567544A Conductor configuration method for direct current power transmission circuit
10/28/2009CN100555790C Method and apparatus for aggregating power from multiple sources
10/27/2009US7608947 Back-up power supply systems
10/27/2009US7608945 Apparatus for controlling power supply to electronic devices
10/27/2009US7608942 Power management system
10/27/2009US7608941 Adaptor circuit for power supply
10/22/2009WO2009108962A3 An electrical power consumption management syste
10/22/2009US20090263704 Power stroage and power transfer method and apparatus
10/22/2009US20090261659 Systems and methods for power supply synchronization in radio frequency identification (rfid) readers
10/22/2009US20090261657 Method and system of hybrid power management
10/22/2009US20090261656 Power system for mobile workstation and method
10/22/2009US20090261655 High voltage array converter
10/22/2009DE102008018457A1 Unterseeboot Submarine
10/21/2009CN201332266Y 通信基站远程供电设备 Communication base station remotely powered devices
10/21/2009CN201329813Y Locomotive power supply integrated controller
10/21/2009CN101562337A Secondary system signal photocoupling and collecting unit containing anti-jamming circuit
10/21/2009CN100553066C Power supply system and method for implementing current equalization
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