Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
09/2010
09/08/2010CN101828429A Interface for a luminous means operating device
09/08/2010CN101826807A Switching mode power supply device and control method thereof
09/08/2010CN101826806A Switching mode power supply device and control method thereof
09/08/2010CN101826778A Electric motor with torque sensor
09/08/2010CN101826753A Dual-power conversion intelligent controller
09/08/2010CN101826752A Backup power automatic switching device action simulation method in self-adaptive electric network operation mode
09/08/2010CN101826751A Intelligent dual-power transfer switch driven by cylindrical single-phase linear asynchronous motor
09/08/2010CN101826750A Hybrid energy power supply equipment
09/08/2010CN101826749A Power management system and method of operating the same
09/08/2010CN101826748A System and method for supplying power to electronics enclosures utilizing distributed DC power architectures
09/08/2010CN101826684A Power plugboard device and control method thereof
09/08/2010CN101826404A Three-gear switching mechanism of transfer switch device
09/08/2010CN101826403A Double-energy storage operating mechanism of single operating shaft
09/08/2010CN101483353B Buck type auxiliary electric power controlled by PFM
09/08/2010CN101237155B UPS dual-channel power supply automatic maintenance control device
09/07/2010US7791314 Power management topologies to control power between a DC power source and one or more batteries to a system load
09/02/2010WO2010099242A2 Wireless power charging timing and charging control
09/02/2010WO2010097787A1 Modular ups system
09/02/2010US20100219689 Lifting magnet and method for emergency power supply
09/02/2010US20100219688 DC Power System for Household Appliances
09/02/2010US20100219684 Power supply apparatus
09/01/2010EP2223316A2 Standby power cut-off switch
09/01/2010CN201570972U Power supply device of power transmission line device
09/01/2010CN201570899U Power output switch of magnetic control radio frequency power supply
09/01/2010CN201570898U Power failure data protection circuit
09/01/2010CN201570897U Two-supply switching circuit for electronic-type electric energy meter
09/01/2010CN201570896U PLC-implemented three-way power source three-section bus independent operation BZT sectioning device
09/01/2010CN201570895U Microcomputer protection device with double power supply sources
09/01/2010CN201570894U Small-sized emergency power supply
09/01/2010CN201570893U Power supply device
09/01/2010CN201570892U Power-off emergency power supply of Mahjong machine
09/01/2010CN201570891U Electrification railway main transformer measuring-control device applicable to passenger transport private line
09/01/2010CN201570890U Power supply system
09/01/2010CN201570889U 10kV system emergent electric supply installation
09/01/2010CN201570883U GIS isolation grounding switch far and near control converting loop
09/01/2010CN201570801U Portable movable connection vehicle and emergency DC power using connection vehicle
09/01/2010CN101821825A Standby power cut-off switch
09/01/2010CN101820184A Communication power supply system
08/2010
08/31/2010US7786620 bank of super capacitors may be charged by battery with pulse-width modulation controller and electromagnetic interference filter; capacitors may be controllably connected to direct current bus through isolating transformer implemented as isolated boost converter; aircraft energy supplementary apparatus
08/31/2010US7786619 DC power backup
08/31/2010US7786617 System and method for allocating power to loads
08/31/2010US7786616 Generator with DC boost and split bus bidirectional DC-to-DC converter for uninterruptible power supply system or for enhanced load pickup
08/26/2010WO2010095241A1 Power converter
08/26/2010WO2010055430A3 Power Supply Control Device and Method
08/26/2010CA2718620A1 Power conversion device
08/25/2010EP2221943A1 Energy saving unit for use in a device which uses electricity, unit with such a device and method for operating such devices in an energy efficient manner
08/25/2010EP2220746A1 System for emergency power supply in case of power grid failure
08/25/2010EP2220745A1 Systems for and methods of controlling operation of a ups
08/25/2010EP2220744A2 Device, system and method that decreasing standby power of electronic appliance and receptacle
08/25/2010EP2220662A1 Electric motor drive provided with electric energy accumulation for switch-devices
08/25/2010CN201563003U Dual-power switching device for air-cooled control box of large-size power transformer
08/25/2010CN201563002U Communication base station standby power supply management device
08/25/2010CN201563001U Substation standby power automatic switch device power supply controller
08/25/2010CN201563000U Spare power automatic switching device based on two stations and three lines
08/25/2010CN201562984U Solar power supply device for power supply of intelligent water meter
08/25/2010CN201562980U Small off-net solar power station system
08/25/2010CN201562977U Automatic switching mother-and-child type box transformer
08/25/2010CN201562409U Eco-drive display
08/25/2010CN201562231U Power supply unit
08/25/2010CN201560410U Road cleaning vehicle
08/25/2010CN201559095U Power supply device of numerical-control roll grinder control power source
08/25/2010CN101816114A Method and apparatus for conserving energy stored in bypass capacitors during dynamic power collapse
08/25/2010CN101815207A Power supply method for indoor unit of video intercom system of building based on Category 5 cabling or enhanced Category 5 cabling
08/25/2010CN101814769A Electricity supply system of wind and light commercial power complementary communication base station
08/25/2010CN101814768A Fuel cell based standby power system
08/25/2010CN101814385A Transmission mechanism used in double-power change-over switch
08/24/2010US7781914 Input and output power modules configured to provide selective power to an uninterruptible power supply
08/24/2010US7781913 UPS having solar powered battery charger
08/24/2010US7781912 Uninterruptible power supply with opto-electric couplers for detecting the status of each source
08/19/2010WO2010093545A1 Portable power supply for laboratory equipment
08/19/2010WO2010092870A1 Voltage control method and voltage control device
08/19/2010WO2010092580A1 Accurate frequency regulation for uninterruptible electric power supply
08/19/2010WO2010070676A3 Intuitive electronic circuit
08/18/2010EP2219282A1 Device for energy supply to an electronic user interface of an electric household appliance
08/18/2010CN201557102U Logic circuit of power grid generator set controller of ship
08/18/2010CN201556971U Switching device capable of driving circuit breaker to be switched automatically
08/18/2010CN201556970U Mutual control standby power source automatic switching device based on two stations and three wires
08/18/2010CN201556969U Power supply system
08/18/2010CN201556968U Uninterruptible power supply remote monitoring system
08/18/2010CN201556967U Electric-dazzling preventive power unit
08/18/2010CN201556506U Natural circulation air-cooling control module for large transformer
08/18/2010CN201553511U Elevator capable of utilizing solar energy and recycling electric energy
08/18/2010CN101807867A Insulating glass receiving device capable of automatically controlling servo solar louver photovoltaic cell
08/18/2010CN101807821A Energy saving system of elevator
08/18/2010CN101807815A Operating mechanism used for twin-power switch
08/18/2010CN101807814A Redundant backup circuit system architecture method with high security
08/18/2010CN101807813A Power supply
08/18/2010CN101183795B Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack
08/18/2010CN101136558B Power supply system and switch circuit, switch method of main power source and backup battery
08/12/2010WO2010090666A1 System and method for limiting losses in an uninterruptible power supply
08/12/2010WO2010090634A1 Energy generating modules with exterior wall fuel chambers
08/12/2010WO2010090528A1 Power supply system for mounting to a rail
08/12/2010WO2010089607A1 Power management system
08/12/2010WO2010089113A1 Jump start system for a vehicle
08/12/2010WO2009049603A3 Control system for solar installations
08/12/2010US20100201196 Method and apparatus for predicting end of battery life
08/12/2010US20100201194 Methods and apparatus for providing uninterruptible power
08/12/2010DE19855245B4 Redundante Spannungsversorgung für elektrische Verbraucher Redundant power supply for electrical loads
08/12/2010CA2750887A1 System and method for limiting losses in an uninterruptible power supply
08/11/2010EP2216879A2 Method and apparatus for testing uniterruptible power supply
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