Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
03/2012
03/28/2012CN202178610U 旁路开关代主变运行ta二次回路的切换装置 Bypass switch is running on behalf of the main transformer secondary circuit switching means ta
03/28/2012CN202178609U 一种仪表供电系统 An instrument power supply system
03/28/2012CN202178608U 消除连续闪动的双电源自动切换装置与系统 Continuous flashing eliminate dual power automatic switching devices and systems
03/28/2012CN202178607U Handheld device and battery and external power source power supply switching circuit thereof
03/28/2012CN202178606U 高压多电源切换组合电器 High pressure multi-combination of electrical power switching
03/28/2012CN202178605U 发电厂保安电源备自投控制系统 Security power plants prepared from the cast control system
03/28/2012CN202178604U Portable data acquisition box
03/28/2012CN202178599U 一种双电源装置 A dual power supply unit
03/28/2012CN202178511U 便携式变压器风冷应急电源箱 Air-cooled portable emergency power transformer box
03/28/2012CN102396130A Uninterruptible power supply system
03/28/2012CN102394511A Energy-efficient medical safety power supply apparatus
03/28/2012CN102394510A Efficient and reliable power supply architecture of data center information technology (IT) equipment
03/28/2012CN102394509A Wind-solar hybrid generation integrated device
03/28/2012CN102394505A Method and device for realizing energy exchange between universal electronic equipment
03/28/2012CN102394504A Intelligent integrated power generation system
03/28/2012CN102394497A Microgrid coordination control system and method based on state transition
03/28/2012CN102393229A Overpressure-preventing puncture-type forklift fuel consumption detecting system
03/28/2012CN101414762B Method, apparatus and system for power-off protection
03/28/2012CN101409526B Elevator system and accumulator unit
03/28/2012CN101232202B Double power supply converting switch device
03/27/2012US8143744 Method and apparatus for providing uninterruptible power
03/27/2012US8143743 Uninterruptible power supply apparatus
03/22/2012WO2012034375A1 Power supply control circuit, method and power supply control terminal device
03/22/2012WO2011077393A3 Improvements to electrical systems with auxiliary generating means
03/22/2012US20120072739 Short circuit control for high current pulse power supply
03/22/2012US20120068601 Emergency lighting device for operating a light source, in particular an led
03/22/2012US20120068542 Power supply
03/22/2012US20120068541 Power supply systems and methods employing a ups interfaced generator
03/22/2012US20120068531 Power Supply System
03/22/2012CA2749451A1 Short circuit control for high current pulse power supply
03/21/2012EP2432097A2 Uninterruptible power supply system
03/21/2012EP2432096A1 Automatic start/stop device for engine-driven power generator
03/21/2012EP2209205B1 Method for operating a wind energy system in case of overvoltage in the grid
03/21/2012CN202172305U 远程抄表终端的电源电路 The power supply circuit remote meter reading terminal
03/21/2012CN202172304U 光旁路保护设备的双电源供电模块 Dual power supply module optical bypass protection devices
03/21/2012CN202172291U 小型太阳能风能互补发电系统 Small solar wind hybrid power generation system
03/21/2012CN202172280U 作备用电源用的发电机并机系统 As a standby power generator and the computer system used
03/21/2012CN202172230U 中压双电源组合电器 MV dual combination of electrical power
03/21/2012CN102386811A Data center and auxiliary power supply system thereof
03/21/2012CN102386797A Inverter power supply circuit capable of drawing electricity from DC bus
03/21/2012CN102386680A Electronic device, wireless plug and electronic equipment
03/21/2012CN102386676A Power supply switching device for hybrid power type solar street lamp
03/21/2012CN102386675A Automatic changeover switch
03/21/2012CN102386674A Wind and light complement power supply switching system for marine communication cabin and method
03/21/2012CN102386673A Uninterruptible power system suitable for audio and video equipment and power supply management method thereof
03/21/2012CN102386672A Standby power supply control system based on fuel cell
03/21/2012CN102386657A Power generation and power supply microgrid system for renewable energy
03/21/2012CN102386636A Off-grid power generation system adopting hybrid novel energy and control method thereof
03/21/2012CN101861040B Emergency electronic ballast
03/21/2012CN101728843B Automatic startup circuit and uninterrupted power supply with same
03/21/2012CN101202458B Power supply circuit
03/14/2012EP2429059A1 Output control device for hybrid engine-driven power generator
03/14/2012EP2429015A1 Power supply unit
03/14/2012EP2427947A2 Emergency power supply device
03/14/2012CN202168011U Solar grid-connected power generation system for subway station
03/14/2012CN202168010U Solar energy power generation system
03/14/2012CN202167894U 高压开关柜触头温升无线传感器的供电电源 High Voltage Switchgear contact temperature wireless sensor power supply
03/14/2012CN202167893U 组合互补式瞬态高过载不间断供电模块 Combination of complementary high transient overload uninterrupted power supply module
03/14/2012CN202167892U 矿用隔爆型电源箱 Flameproof power box
03/14/2012CN202167891U 一种分解槽搅拌装置的供电电路 A power supply circuit of the decomposition tank with stirring device
03/14/2012CN202167890U Dual-power type power supply system based on solar energy and commercial power for aquarium
03/14/2012CN202167765U 交流、直流和事故照明的一体化屏 Integrated screen AC, DC and emergency lighting
03/14/2012CN202167082U Self-service station for electric bicycles
03/14/2012CN102377250A Two-way wireless charging and discharging device
03/14/2012CN102377238A Isolated double-input power supply output uninterrupted switching circuit
03/14/2012CN102377237A Solar energy and mains supply complementary controller
03/14/2012CN102377236A Power supplying method and device of coal liquefaction device
03/14/2012CN102377235A Cascaded converter-based multifunctional high-speed switch device
03/14/2012CN102377234A Power supply device in rescue capsule
03/14/2012CN102377233A Power supply device capable of automatically switching standby power supply path
03/14/2012CN102377232A Emergency power supply circuit
03/14/2012CN102377231A Switch power supply module
03/14/2012CN102377230A Electronic device and power supply method for electronic device
03/14/2012CN102377229A Field device of a process automation assembly with two inherently safe power supply devices
03/14/2012CN102377177A Partial power micro-converter architecture
03/14/2012CN102374470A Intelligent illumination device for car-type elevator
03/13/2012US8134811 Uninterruptible power supply
03/13/2012US8134333 Battery and ultracapacitor device and method of use
03/08/2012WO2012028833A2 Cyclical supply method and device, and detection device comprising same
03/08/2012WO2011120956A3 Device for reducing standby-mode energy consumption of an electric household appliance
03/08/2012WO2011101687A3 Powering of devices
03/08/2012WO2011101686A3 Powering of devices
03/08/2012US20120056481 Direct-coupled it load
03/08/2012DE102010044440A1 Method for function control of uninterruptible power supply unit for computer, involves supplying main voltage parallel to components of unit, and controlling function of unit, without connecting components with load at output side
03/07/2012EP2425512A1 Methods and systems for no-break power transfer with a converter
03/07/2012CN202160009U 一种电动门的电源装置 An electric power supply device of the door
03/07/2012CN202160008U 数控机床后备电源 CNC Machine backup power
03/07/2012CN102368633A Solar energy and mains supply complementation controller
03/07/2012CN102368632A Dual-power switching system
03/07/2012CN102368631A Efficient and reliable power supply architecture of data center electronic equipment
03/07/2012CN102368630A Seamless and circulation-less switching system for two groups of DC (direct current) power supplies
03/07/2012CN102368612A Triple-double wiring way of medium-voltage electric distribution network
03/07/2012CN101710730B Non-conjoined automatic switching method and embedded type control module of two power supply disks
03/06/2012US8129939 Slate wireless keyboard charging and connection
03/06/2012US8129860 Power over network methods and systems
03/06/2012CA2506221C Vehicle auxiliary electric-power-supplying system
03/01/2012US20120053884 Standby generator with weather alert receiver and method of operation
03/01/2012US20120049631 Power supply system and method for electronic apparatus
03/01/2012US20120049630 Device for monitoring the insulation of a non-grounded electrical dc grid, particularly a photovoltaic system, and system comprising such a device
03/01/2012US20120049629 Method and apparatus for control of fault-induced delayed voltage recovery (fidvr) with photovoltaic and other inverter-based devices
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