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)
12/2012
12/06/2012US20120306274 Ups adaptive output voltage control systems
12/06/2012US20120306271 Storage battery system
12/06/2012US20120306270 Energy management apparatus and energy management method, and energy management system including energy management apparatus
12/06/2012DE102011103242A1 Intrinsically safe lamp used for illuminating path in underground, has controller that operates light source with electrical power from electrical storage if external electric circuit exists in high current load state
12/06/2012DE102011076681A1 Verfahren zum Betrieb eines Generators in einem elektrischen Netz sowie elektrisches Netz mit einem derartigen Generator Method for operating a generator in an electric network as well as the electrical power with such a generator,
12/05/2012EP2530809A2 Electric supply circuit and method for providing a supply voltage
12/05/2012CN202587466U Emergency switching circuit
12/05/2012CN202587075U Intelligent handset powered by primary and secondary batteries
12/05/2012CN202586815U Household solar photovoltaic power station
12/05/2012CN202586812U Hydropower and solar energy combined power generation system
12/05/2012CN202586492U Wiring circuit for main and standby incoming wires with generator standby power supply automatic switch-on device
12/05/2012CN202586491U Automatic switching device of low-voltage backup power supply
12/05/2012CN202586490U Double-line converter oxygen lance emergency hoisting system uninterrupted power supply (UPS) sharing device
12/05/2012CN202586489U Wiring circuit for main standby power supply automatic switch-on and automatic recovery device
12/05/2012CN202586488U Unit transformer standby power supply automatic switch-on system for substation
12/05/2012CN202586487U Wiring circuit for segment standby power supply automatic switch-on device
12/05/2012CN202586486U Wiring circuit for two incoming wires with standby incoming wire power supply automatic switch-on and automatic recovery device
12/05/2012CN202586485U SVC-based AC-DC dual supply automatic switching power supply apparatus
12/05/2012CN202586484U Double-circuit power supply circuit having precharge function during electrification and high-voltage frequency converter
12/05/2012CN202586483U A vehicle-mounted modular power supply controller
12/05/2012CN202586482U Power control circuit applicable to second-generation ID (identity) card handholding checking instrument card reading module
12/05/2012CN202586481U Micro electrical network intelligent balanced charging and power supply system
12/05/2012CN202586480U Uninterrupted emergency lighting and safety indication system for underground coal mine
12/05/2012CN202586479U Mobile solar energy emergency security power station with wind power generation device
12/05/2012CN202586413U Power supply circuit of electric vehicle
12/05/2012CN202586404U Portable intelligent solar power supply
12/05/2012CN202586401U Mixing DC system shared by hydropower station and photovoltaic power station
12/05/2012CN202585275U Novel secondary control circuit of permanent magnet structure
12/05/2012CN102812238A Pitch drive device capable of emergency operation for a wind or water power plant
12/05/2012CN102811001A Method for controlling photovoltaic power generating device, equipment and photovoltaic power generating system
12/05/2012CN102810907A Uninterrupted power supply circuit
12/05/2012CN102810906A Surge avoiding type dual-power change-over switch
12/05/2012CN102810905A Energy management apparatus and energy management method, and energy management system including energy management apparatus
12/05/2012CN102810904A Method for recovering equipment state after low voltage rise, main control signal board and system
12/05/2012CN102810903A Hybrid intelligent power manager and hybrid intelligent power management method
12/05/2012CN102810901A Communication power supply system based on fuel cell
12/05/2012CN102255377B Method and system for supplying emergency power supply to nuclear power station
12/05/2012CN102195334B Method and system for improving reliability of emergency power supplies of nuclear power plant
12/05/2012CN102170144B Chain extension power supply system
12/05/2012CN101986511B 电源供应控制电路 Power supply control circuit
12/05/2012CN101982919B Vehicle-mounted sensor power supply used for dangerous cargo transportation monitoring
12/05/2012CN101707820B Caution lamp circuit and caution light using same
12/05/2012CN101699702B Multi-mode working UPS
12/05/2012CN101651360B Duplicate supply intelligent seamless switching method with awakening function
12/04/2012US8324865 UPS with test discharge load to determine battery capacity
12/04/2012US8324758 Parallel power back-up system
12/04/2012US8324755 Power management system and method of operating the same
11/2012
11/29/2012WO2012162457A2 Intelligent high speed automatic transfer switch
11/29/2012WO2012161255A1 Power control device and power control method
11/29/2012WO2012159541A1 Method and system for supplying emergency power to nuclear power plant
11/29/2012US20120299382 Control method of an uninterruptible power supply for extending a discharge time under a no-load condition
11/29/2012US20120299381 Intelligent High Speed Automatic Transfer Switch
11/29/2012DE102011102547A1 Ladevorrichtung für einen Akkumulator Charging device for an accumulator
11/28/2012EP2528188A1 Rechargeable battery power supply starter and cell balancing apparatus
11/28/2012CN202565527U Centralized power supply integrated intelligent control system for large venue lighting system power supply
11/28/2012CN202565526U Centralized power supply comprehensive intelligent control system supplying power for station lighting system
11/28/2012CN202565214U Alternating current frequency conversion speed regulation control box for coal mine underground coal mining machine
11/28/2012CN202565158U Explosion suppression and intrinsic safety switch power with power factor correction
11/28/2012CN202565021U Emergency lighting automatic switching device
11/28/2012CN202565020U Failure detecting circuit of automatic change-over switch
11/28/2012CN202565019U Automatic conversion device for power supply voltage shortage
11/28/2012CN202565018U Mixing neutral-point grounding system
11/28/2012CN202565017U Automatic dual power supply conversion controller
11/28/2012CN202565016U Power supply device special for linear actuation equipment and battery module thereof
11/28/2012CN202565015U Device for solving incapable automatic reset of UPS
11/28/2012CN202565014U High-power UPS (uninterrupted power supply) modularization device
11/28/2012CN202565013U Device for maintaining operation of frequency converter during short time power failure
11/28/2012CN202565012U Off-grid wind-solar hybrid inverter control device
11/28/2012CN202564972U Household cluster type solar energy generating system
11/28/2012CN202564959U Charging loop of power unit in-parallel transformer multiplex SVG
11/28/2012CN202558403U Off-grid inverter for solar power elevator
11/28/2012CN102804547A Uninterruptable power supply
11/28/2012CN102804546A AC-to-DC conversion
11/28/2012CN102804306A Switch unit, and related method
11/28/2012CN102801367A Solar electric power generation device
11/28/2012CN102801299A Control method for power factor correction controller and uninterrupted power supply
11/28/2012CN102801209A Intelligent dual-power switch controller
11/28/2012CN102801208A Multi-path power supply intelligent scheduling manager and control method thereof
11/28/2012CN102801207A Backup auto-switching voltage loss start interlocking method for multi-power double-bus substation
11/28/2012CN102801206A Power supply system with variable supply voltage
11/28/2012CN102801205A Dual-voltage power supply circuit and inverter welding machine comprising same
11/28/2012CN102801188A Power management method and electronic system using the same
11/28/2012CN102797630A Shutdown control method and shutdown control device of wind turbine generator set
11/28/2012CN102795332A Wind and light complementary power generation tethered balloon
11/28/2012CN102082463B Method for realizing redundancy of 4-20-mA current output in distributed control system (DCS) and circuit
11/28/2012CN102069726B Vehicle-mounted power system for low and medium-speed maglev train
11/27/2012CA2385434C Control arrangement for power electronic system
11/22/2012WO2012096927A3 Method and apparatus for providing uninterruptible power
11/22/2012US20120293001 Power management circuitry in peripheral accessories of audio devices
11/22/2012US20120292992 Dual fuel system and method of supplying power to loads of a drilling rig
11/21/2012CN202550662U Low power consumption power supply device with undervoltage detection function
11/21/2012CN202550661U Power management system for counting tube circuit of portable radiation survey meter
11/21/2012CN202550660U Mobile terminal device and power supply circuit thereof
11/21/2012CN202550659U Change-over switch electrical device
11/21/2012CN202550658U External PT (potential transformer) cabinet used in mine
11/21/2012CN202550657U Emergency repair field test power supply
11/21/2012CN202550656U Dual-power supply input conversion device for communication equipment
11/21/2012CN202550655U Low-voltage power supply loop
11/21/2012CN202550654U Box type transformer substation emergency lighting device
11/21/2012CN202550653U UPS (Uninterrupted Power Supply)
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 ... 165