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)
06/2013
06/26/2013CN103178599A Shore-based power supply operation and support system of seafloor observation network
06/26/2013CN103178598A Single phase redundant power supply systems for reducing phase current imbalances
06/26/2013CN103178569A Digital control box for uninterrupted power supply and based on photovoltaic power generation
06/26/2013CN103176585A Device for adjusting power consumption and method thereof
06/26/2013CN102361345B Seamless switching control method for uninterrupted power supply of fuel cell
06/26/2013CN102246403B Auxiliary power supply with bidirectional power supply
06/26/2013CN101772873B Adjustable battery charger for UPS
06/25/2013US8471406 Controllable energy utilization system and associated method
06/25/2013US8471405 High efficiency standby power generation
06/20/2013US20130154378 Method for controlling a parallel line-interactive uninterruptible power supply system
06/20/2013US20130154377 Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein
06/20/2013US20130154376 Uninterruptible power supply
06/20/2013US20130154370 Power management system that includes a generator controller which selectively activates a transfer switch
06/20/2013US20130154365 Backup Power System for Rack-Mounted Equipment
06/20/2013US20130154354 Vehicular power source system
06/20/2013CA2762869A1 Wireless lighting and electrical device control system
06/19/2013EP2603963A1 Non-charging battery backup unit (bbu)
06/19/2013CN203014483U Fast switching power supply reused by silicon controlled rectifier and relay
06/19/2013CN203014482U Automatic power switching device for steering oar of tug
06/19/2013CN203014481U Power supply apparatus of steam turbine controller
06/19/2013CN203014480U Redundant device of ship power station management system
06/19/2013CN203014479U Elevator emergency power supply circuit
06/19/2013CN203014478U Interlock control circuit on work power source and standby power source
06/19/2013CN203014477U Automatic switching control device for alternating current lighting power failure
06/19/2013CN203014476U Emergency explosion-proof frequency converter for dealing with coal mine power failure
06/19/2013CN203014475U Control bus voltage loss prevention device
06/19/2013CN203014474U Generator low-voltage dual-power-supply automatic switching device
06/19/2013CN203014473U A microcomputer-controlled power supply for station fast switching device
06/19/2013CN203014472U Double-loop power supply system of movable gantry crane
06/19/2013CN203014471U AC power supply device used for high voltage system control operation
06/19/2013CN203014470U Solar online automatic power generation control device
06/19/2013CN203014465U Special-purpose lithium battery aviation power supply vehicle
06/19/2013CN203014423U Battery module set management and control device of uninterruptible power supply
06/19/2013CN203014421U Solar green operating room power supply system
06/19/2013CN203012626U Safe and reliable power supply system
06/19/2013CN203012140U Wide temperature range remote monitoring GPS terminal with built-in power supply capable of being used for long time
06/19/2013CN203005319U Vehicle power supply centralized controller
06/19/2013CN203005126U Storage battery and pantograph tractive power supply system for urban rail vehicle
06/19/2013CN203005125U Storage battery and current collector tractive power supply system for urban rail vehicle
06/19/2013CN103166325A Energy storage system and controlling method of the same
06/19/2013CN103166309A Automatic switchover switch device with microsecond-scale switchover time
06/19/2013CN103166308A Bus differential protection latching spare power automatic switching loop
06/19/2013CN103166307A Electric locomotive power supply system achieving complementation of solar energy and electric supply
06/19/2013CN103166306A Uninterrupted power supply system
06/19/2013CN103166305A Power supply control system and implementation method and intelligent card thereof
06/19/2013CN103166304A Intelligent switching circuit of main power supply and standby power supply
06/19/2013CN103166303A Electric energy management device and operation method thereof
06/19/2013CN103166302A Power supply method of set top box phone and set top box phone
06/19/2013CN103166301A Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein
06/19/2013CN103166300A Direct current power source connecting circuit
06/19/2013CN103166299A Converter valve control system inside direct current converter station
06/19/2013CN103166298A Solar energy and electric supply complemented direct current lighting power source
06/19/2013CN103166297A Power-fail protection circuit without backup battery
06/19/2013CN103166259A Solar fan comprehensive power supply system
06/19/2013CN103166253A Solar energy and wind energy complementary power supply system used in electric automobile charging station
06/19/2013CN103164970A Urban traffic information indicator system with complementation between solar energy and alternating current
06/19/2013CN102290856B Double-power device and power supplying method thereof
06/19/2013CN102222971B Device capable of preventing abnormal reversely-fed electricity
06/19/2013CN102035249B Direct current power supply emergency system of transformer substation based on lithium iron battery
06/19/2013CN101976879B Mobile emergency power supply based on system converter
06/19/2013CN101820184B 一种通信电源系统 A communication power supply system
06/19/2013CN101765274B LED lamp and drive circuit
06/13/2013WO2013086507A2 Systems and methods for managing a fuel cell
06/13/2013WO2013085647A1 Load-sharing and boost voltage for notification appliance circuits
06/13/2013US20130147276 Systems and methods for managing a fuel cell
06/13/2013US20130147270 Power supply device for computing devices
06/13/2013US20130147269 Modular LED Lighting System Having Emergency Light Function
06/13/2013CA2858758A1 Systems and methods for managing a fuel cell
06/12/2013EP2602910A1 Interface device between an electricity grid and consumer systems
06/12/2013EP2602906A2 Electronic device state detection for zero power charger control, systems and methods
06/12/2013CN202997952U Power supply module of power distribution terminal
06/12/2013CN202997693U Intelligence control system for emergency generator set
06/12/2013CN202997692U Dual power source load switch automatic switching return circuit
06/12/2013CN202997691U An automatic switching circuit capable of switching power between a power supply and a battery in an electronic switch
06/12/2013CN202997690U UPS device
06/12/2013CN202997689U Dual-channel seamless automatic switching power supply circuit for travelling wave tube filament
06/12/2013CN202997688U Automatic transfer equipment with two power supplies capable of being closed simultaneously in short time
06/12/2013CN202997687U Two-way wireless charging and discharging device having by-pass control function
06/12/2013CN202997686U An emergency power source box
06/12/2013CN202997685U A backup power source soft switch-on circuit
06/12/2013CN202997684U Multi-power-supply automatic conversion system
06/12/2013CN202997683U A double power supply automatic switching device
06/12/2013CN202997682U Digital dual-redundancy generator controlling device
06/12/2013CN202997681U Movable standby power supply device for tunnel alarm system
06/12/2013CN202997680U Commercial power complementary solar energy human body induction fan
06/12/2013CN202997679U Airplane power source voltage drop control device
06/12/2013CN202997678U Wind and diesel auxiliary marine photovoltaic generating device
06/12/2013CN202997677U Video server uninterrupted protection power system used in train
06/12/2013CN202997676U Emergency power supply device
06/12/2013CN202997675U Anti-voltage-sag control apparatus
06/12/2013CN202997646U Intelligent wind-solar-electricity hybrid power supply portable mobile power source
06/12/2013CN202997634U Field communication power supply system
06/12/2013CN202997535U Electrified railway auto-transformer station main wiring
06/12/2013CN202997502U Vehicle wide voltage DC-DC freewheeling circuit
06/12/2013CN202997003U Electric accumulation unit, power generating system and charge and discharge system
06/12/2013CN202995616U Computer intelligence self-protection power supply power source
06/12/2013CN202995418U Multiple-power-supply ATS signal processing system based on multiprocessor
06/12/2013CN202990690U Car window emergency device
06/12/2013CN103155350A Backup power supply systems and methods
06/12/2013CN103151830A Emergency power supply automatic operation device of inner bridging line converting station
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