Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
09/2012
09/19/2012CN202444313U Inversion emergency power supply circuit for emergency illumination lamp
09/19/2012CN202444312U Vehicular GPS (Global Position System) terminal with low power consumption
09/19/2012CN202444311U Power-factor correction circuit in uninterruptible power supply special for electric power
09/19/2012CN202444310U Hybrid power supply management device in field of communication
09/19/2012CN202444293U Grid-connected photovoltaic uninterruptible power supply system with preferred power supply
09/19/2012CN202444261U Intelligent integrated main wiring system for power sources
09/19/2012CN202443885U Integrated dual-power automatic transfer switch of molded case circuit breaker
09/19/2012CN102687361A Selecting a single AC source for a switching power supply
09/19/2012CN102687358A Power supply circuit and electric appliance
09/19/2012CN102684299A Method and device for achieving spare automatic switching mode of various inlet lines of transformer substation
09/19/2012CN102684298A Automatic correcting protecting instrument for power supply
09/19/2012CN102684297A Solar power generating system and (N+1) backup power distribution control method thereof
09/19/2012CN102684296A Fault detection circuit of automatic transfer switch
09/19/2012CN102684295A Mining flameproof dual-power switching control box
09/19/2012CN102684294A Main and standby power supply control device for embedded equipment
09/19/2012CN102684293A Methods and apparatus for providing uninterruptible power
09/19/2012CN102684292A Power supply switching circuit
09/19/2012CN102684291A Control device of intelligent three-phase duel power supply conversion switch
09/19/2012CN102684290A Power supply switching system
09/19/2012CN102684289A Large-capacity explosion-proof type uninterrupted power system
09/19/2012CN102684288A Railway network phase separating section characteristic-based self-starting power supply method for train pressure swing adsorption (PSA) oxygen preparation system
09/19/2012CN102684287A Underground uninterrupted emergency illumination and safety indication system for coal mine
09/19/2012CN101866777B Reverse flux-weakening control type intelligent permanent magnet contactor with no position sensor
09/19/2012CN101621214B Battery backup module as well as power supply method and storage system thereof
09/18/2012US8269462 State monitoring apparatus for assembled battery
09/18/2012US8269371 Power system for a device
09/13/2012US20120228944 Dc power distribution system
09/13/2012US20120228943 Electric power supply system
09/12/2012EP2498372A2 Standby power reduction device
09/12/2012CN202435431U Anti-power-off router
09/12/2012CN202435142U Multifunctional power supply converter on basis of power line carrier communication
09/12/2012CN202435131U Power distribution automation terminal
09/12/2012CN202435128U Built-in backup power supply adopting low-voltage battery
09/12/2012CN202435127U Vehicle-mounted power supply controller
09/12/2012CN202435126U Combined excitation source of autosynchronous motor
09/12/2012CN202435125U Miniature uninterruptible power supply
09/12/2012CN202435124U Power supply automatic switching system
09/12/2012CN202435123U Solar power supply system
09/12/2012CN202435122U Two-path power supply circuit
09/12/2012CN202435121U Double input power supply automatic switcher
09/12/2012CN202435120U 24V uninterrupted power system for communication vehicle
09/12/2012CN202435119U Intelligent integrated power supply module of power-supply system
09/12/2012CN202435118U Standby power supply system
09/12/2012CN202434927U Clamp frame power supply for fire inspection amplifier cabinet
09/12/2012CN202434157U Intelligent guideboard
09/12/2012CN102668462A Control device for putting an electronic member of a communication network on hold prior to rebooting
09/12/2012CN102668320A Electronic device back-up charger
09/12/2012CN102664465A Breaker controller with dual-power-source switching function, switching system and switching method
09/12/2012CN102664453A Battery switching device
09/12/2012CN102664452A Server cabinet and data center with same
09/12/2012CN102664451A Power failure detection circuit and detection method thereof
09/12/2012CN102664436A Emergency power supply for vehicle
09/12/2012CN102664355A Medium-voltage dual-power combined electrical appliance
09/07/2012WO2012116973A2 Fast bus transfer method and device
09/07/2012WO2011141807A3 Uninterruptiple power supply systems and methods supporting load balancing
09/06/2012DE112010004031T5 Steuersystem für eine Windkraftanlage A control system for a wind turbine
09/05/2012EP2494676A1 Electronic device back-up charger
09/05/2012CN202425125U Municipal power interactive-type wind-optical complementary streetlamp system controller
09/05/2012CN202425093U Novel LED lamp for traffic sign
09/05/2012CN202424837U Wireless speech audio equipment terminal
09/05/2012CN202424529U Switch power circuit of electric fan
09/05/2012CN202424307U 220 kV intelligent standby power supply auto-switching system
09/05/2012CN202424306U Multi-channel mains supply interruption automatic restoration device
09/05/2012CN202424305U Grid-connection control device of high-voltage generator set
09/05/2012CN202424304U Automatic grid-connection device of generator set
09/05/2012CN202424303U Connection structure of auxiliary power supply lines of double-power-supply automatic changeover switch controller
09/05/2012CN202424302U Power generating set controller with automatic municipal power monitoring function
09/05/2012CN202424301U Solid state change-over switch
09/05/2012CN202424300U Automatic conversion switch equipment
09/05/2012CN202424299U Automatic bus transfer power protection device
09/05/2012CN202424298U Double-power-supply switching device of intelligent electronic equipment
09/05/2012CN202424297U Automatic feeding device for standby inlet wire
09/05/2012CN202424296U Two-way power supply unit
09/05/2012CN202424295U Inverter power supply and power supply system applying same
09/05/2012CN202424294U Economical and high-efficient accident drive device based on electrical control
09/05/2012CN202424293U Power supply system of vanadium battery power supply
09/05/2012CN202424292U Wind-solar hybrid power generation system
09/05/2012CN202424291U Power system for vehicle-mounted equipment based on energy acquisition chip
09/05/2012CN202424229U Domestic wind energy power generating system
09/05/2012CN202424228U Household integrated power generation system utilizing wind energy and solar energy
09/05/2012CN202424207U Safety low-voltage power supply system special for LED illumination
09/05/2012CN202424166U Electric system of self-propelled type touring car
09/05/2012CN1945920B Method for operation of a converter system
09/05/2012CN102656769A Safety controller for an actuator
09/05/2012CN102656768A Standby power reduction device
09/05/2012CN102237713B Background-wall-technology-based station power supply and assembly method thereof
09/05/2012CN101888096B Triangle extension power-supply system
09/05/2012CN101854075B Arc extinguishing hybrid switch and switching method
09/05/2012CN101783526B Electronic switching unit without energy consumption for standby power supply of model airplane receiver
09/05/2012CN101692584B Double-power supply double-temperature control piscicultural device of tropical ornamental fish
09/04/2012CA2635285C Electrical power supply apparatus
08/2012
08/30/2012WO2012115098A1 Electricity storage system
08/30/2012US20120217810 Dc plant controller and method for selecting among multiple power sources
08/30/2012US20120217809 Uninterruptible power supply apparatus
08/30/2012US20120217808 Switching systems and methods for use in uninterruptible power supplies
08/30/2012US20120217796 Control Device for Putting An Electronic Member of a Communication Network on Hold Prior to Rebooting
08/30/2012DE112009004971T5 Verriegelungsrelaissteuerschaltungsanordnung Latching relay control circuit
08/29/2012EP2493053A1 Methods and apparatus for providing and distributing standby power
08/29/2012EP2491639A2 Safety controller for an actuator
08/29/2012EP2491626A1 Multifunctional electricity outlet
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