Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
06/2012
06/19/2012US8203235 AC and DC uninterruptible online power supplies
06/14/2012WO2012078754A1 Polyphase power management system for telecommunications equipment site power plant and method of operation thereof
06/14/2012WO2012077165A1 Power supply circuit, power supply method and power supply system
06/14/2012WO2012075769A1 Mobile power supply and control method thereof
06/14/2012US20120146587 Fuel Cell System with Grid Independent Operation and DC Microgrid Capability
06/14/2012US20120146419 Power supply system incorporating ups
06/14/2012US20120146418 Utility grid power averaging and conditioning
06/14/2012US20120146417 Methods and apparatus for providing and distributing standby power
06/14/2012US20120146411 Polyphase power management system for telecommunications equipment site power plant and method of operation thereof
06/14/2012DE102010053767A1 Lift car illumination system, has adjacent light sources that are connected in parallel with each other over two electric lines or in series over one electric line of one output terminal connected to other output terminal
06/14/2012CA2840443A1 Trapped-key-based locking system for docking station
06/13/2012EP2464053A1 Power-down protection method and system, power controller for the communication device
06/13/2012EP2464001A2 Redundant motor driving circuit
06/13/2012EP2463735A1 Device for protecting workpieces and tool for tensioning machine tools
06/13/2012EP2462676A2 Charging device having a power element
06/13/2012CN202276190U 船舶冷藏集装箱的供电系统 Refrigerated container ship power system
06/13/2012CN202276189U 用于高压变频器的控制电源双路供电装置 Dual control power supply device for high-voltage inverter
06/13/2012CN202276188U 一种电源电路及电视机 A power supply circuit and TV
06/13/2012CN202276187U 一种多控制源电源切换电路 A multi-source power switching control circuit
06/13/2012CN202276186U 车载型箱式配电系统 Car box type distribution system
06/13/2012CN202276185U 同步电动机励磁装置供电电源稳压装置 Synchronous motor excitation device power supply regulator device
06/13/2012CN202276184U 大型充放电组合斩波恒压不间断直流电源装置 Large discharge combination chopper constant uninterruptible DC power supply device
06/13/2012CN202276183U 电源适配器 Power Adapter
06/13/2012CN202276167U 阵列式电池电源管理装置及其电池电源整合单元 Array battery power management device and battery power integration unit
06/13/2012CN202276156U Electric network system
06/13/2012CN102498637A Control device
06/13/2012CN102497011A Offline power circuit for self-destruct circuit
06/13/2012CN102497010A Method and system for switching microgrid from grid-connected mode to island mode
06/13/2012CN102497009A Bus soft start circuit of uninterrupted power supply, and method for the same
06/13/2012CN102497008A Elevator driving method and bidirectional dynamic solar elevator system
06/13/2012CN102497007A Power management system of wireless acquisition node
06/13/2012CN102497006A Container data center power supply device supporting multi-path redundancy
06/13/2012CN102497005A Double-channel power supply circuit of fan power supply of solar inverter
06/13/2012CN102497004A Automatic change-over switch control method
06/13/2012CN102497003A Mains supply reserve control device for photovoltaic LED illumination and mains supply reserve control method for same
06/13/2012CN102497002A Fully-duplicated protective redundancy system for direct-current transmission project
06/13/2012CN102497001A Electrical energy system and operation method thereof
06/13/2012CN102496998A Green energy resource power supply device of cloud container
06/13/2012CN102496934A Method for controlling power converter with UPS (Uninterrupted Power Supply) and APF (Active Power Filter)
06/13/2012CN101728866B Device and method for realizing switching of power supply
06/13/2012CN101043146B Apparatus and method for managing power of battery packs in a portable device
06/12/2012US8198759 Portable power packs having a uniform DC environment
06/12/2012US8198753 Power system with method for adding multiple generator sets
06/07/2012WO2012072526A2 Method and system for fast switching backup power supply in multiple power source
06/07/2012US20120140415 Data center
06/07/2012US20120139473 Radiant Energy Powered Electrical Power Supply Device and Method for Operating Such a Power Supply Device
06/07/2012US20120139345 Control method of hybrid power battery charger
06/07/2012US20120139344 Inrush current protection for wind turbines and wind farms
06/06/2012EP2460257A1 Method and circuit for energizing an electrical device
06/06/2012CN202269062U Control system for tunnel solar power supply and light-emitting diode (LED) illumination
06/06/2012CN202269047U 不停电无频闪照明台灯 Power is not without stroboscopic illumination lamp
06/06/2012CN202268741U Solar-mains hybrid controller
06/06/2012CN202268740U 具有双电源自动切换功能的馈电系统 With dual power automatic switching function feeding system
06/06/2012CN202268739U 双电源切换系统 Dual Power Switching System
06/06/2012CN202268738U 分布式不间断直流电源 Distributed uninterruptible DC power supply
06/06/2012CN202268726U Solar alternating current and direct current mixed power supply device
06/06/2012CN202266061U Wind and light complementary stereo garage system
06/06/2012CN1716076B Electric power unit and electronics device
06/06/2012CN102487216A Power switching method and circuit
06/06/2012CN102487215A Power device using module current to control parallel running of circuit
06/06/2012CN102487198A Energy-saving electrified ageing device for switch power supplies
06/06/2012CN101710695B Wave-following current-limiting method and device of switching tube of uninterruptible power supply
06/06/2012CN101595620B Power source system, power supply control method for the power source system
06/06/2012CN101585415B Dual power source driving system of aviation ground equipment
06/06/2012CN101542868B Uninterruptible power supply device
06/06/2012CN101383514B Ups device
06/05/2012US8193662 Power supply source blending and smoothing
06/05/2012US8193661 DC plant controller and method for selecting among multiple power sources and DC plant employing the same
06/05/2012US8193660 HVAC/R system having power back-up system with a DC-DC converter
05/2012
05/31/2012WO2012068774A1 Lithium iron battery-based direct current power supply emergency response system for transformer substation
05/31/2012WO2012068757A1 Power supply system and power supply method for vehicle, power source, installation apparatus and power source transition apparatus
05/31/2012WO2012028833A3 Cyclical supply method and device, and detection device comprising same
05/31/2012US20120133207 Distributed Solar Power Plant And A Method Of Its Connection To The Existing Power Grid
05/30/2012EP2458708A2 Stand-by circuit for household appliances
05/30/2012EP2458707A2 Stand-by circuit for household appliances
05/30/2012EP2457303A1 Direct tie-in of a backup power source to motherboards in a server system
05/30/2012CN202261989U Transformer substation-linked monitoring lamp
05/30/2012CN202261770U Vehicle-mounted sound equipment capable of automatically switching power supply
05/30/2012CN202261096U Solar power supply system of communication base station
05/30/2012CN202260648U Energy-storage power supply management system for communication base station
05/30/2012CN202260621U Motor load power-saving control device
05/30/2012CN202260620U Power-saving control device for three-phase power load
05/30/2012CN202260619U Smart grid switching device
05/30/2012CN202260618U Power control device for cooling fan of frequency converter
05/30/2012CN202260617U Power switching circuit of AC (Alternating Current) drive
05/30/2012CN202260616U Intelligent switching device for power grid
05/30/2012CN202260615U High-reliability dual-power incoming line structure of transformer cooling system
05/30/2012CN202260614U Power supply switching execution control circuit
05/30/2012CN202260613U Anti-maloperation device used for distribution portion of power supply system
05/30/2012CN202260612U AC power supply system used in transformer station
05/30/2012CN202260611U Intelligent type dual-power automatic change-over switch
05/30/2012CN202260610U Automatic switching device for two power supplies of direct-current system
05/30/2012CN202260609U Power supply switching device
05/30/2012CN202260608U Standby power supply system for platinum six-star hotel and super-A grade office building
05/30/2012CN202260607U Standby power system for composite commercial property
05/30/2012CN202260606U Uninterrupted power supply
05/30/2012CN202260605U Power-supplying device
05/30/2012CN202260604U Single-phase or three-phase electric energy meter power supply circuit of power supply system
05/30/2012CN202260603U High-frequency apparatus
05/30/2012CN202260602U Power-uninterruptible low-voltage output isolation circuit
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