| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/01/2012 | CN202134951U 高压变频器的低压回路控制设备 Low-voltage high-voltage inverter circuit control devices |
| 02/01/2012 | CN202134942U Wind-light complementary energy storage power supply control system |
| 02/01/2012 | CN202134927U Solar street lamp controller possessing commercial power access and residual capacity control function |
| 02/01/2012 | CN202130324U Solar energy wind power complementary electric vehicle |
| 02/01/2012 | CN102342009A Method for portioning output current of dc-dc converter between its output capacitor and its power stage |
| 02/01/2012 | CN102340171A Transformer substation spare power automatic switching system with default-phase protection function and working method thereof |
| 02/01/2012 | CN102340170A Power supply management system for fault indicator |
| 02/01/2012 | CN102340169A Double battery power supply circuit |
| 02/01/2012 | CN102340168A Portable emergency starting power supply |
| 02/01/2012 | CN102340167A Oil field oil pumping unit distributed grid connected type wind power generation complementary power supply system |
| 02/01/2012 | CN102340150A Electric vehicle charging station and method for charging electric vehicle |
| 02/01/2012 | CN102339117A Touch-control type portable electronic device |
| 02/01/2012 | CN101969227B 自供电自动切换合闸的高压控制系统 Self-powered high-pressure control system automatically switches closing |
| 02/01/2012 | CN101621215B 高压智能双电源控制保护器 Intelligent dual power control high voltage protection |
| 02/01/2012 | CN101499668B 不断电电源供电模块 Uninterruptible power supply module |
| 01/31/2012 | US8106534 Method and apparatus for predicting end of battery life |
| 01/31/2012 | US8106533 Power system |
| 01/26/2012 | WO2012011520A1 Power control network system, power control method, and power controller |
| 01/26/2012 | US20120019963 Device and method for eliminating transformer excitation losses |
| 01/26/2012 | US20120019071 Backup power system with fuel cell and control method thereof |
| 01/26/2012 | US20120019070 Uninterruptible power supply device |
| 01/26/2012 | US20120019065 Auxiliary power distribution and control to specified circuits during power outages |
| 01/26/2012 | DE102010032070A1 Device for non-break provision of emergency voltage to network server, has energy storage unit electrically coupled to emergency voltage input, where main voltage is applied by main voltage input to coupling network |
| 01/25/2012 | EP2410640A1 Voltage-generator device for electric fishing |
| 01/25/2012 | CN202127376U Comprehensive coordinating management system for solar power supply |
| 01/25/2012 | CN202127286U Automatic control distribution box for building operations |
| 01/25/2012 | CN202127285U Intelligent power supply system |
| 01/25/2012 | CN202127284U Automatic switching device of substation control power supply |
| 01/25/2012 | CN202127283U Circuit backup power automatic switching protection device |
| 01/25/2012 | CN202127282U Low-pressure ring-closing selective tripping system |
| 01/25/2012 | CN202127281U Non-power-off device |
| 01/25/2012 | CN202127280U Direct-current power supply device for variable-pitch controller of large-scale wind-driven generator set |
| 01/25/2012 | CN202127279U Solar and utility power complementary controller-inverter integrated machine |
| 01/25/2012 | CN202127278U Protector of emergency lighting system |
| 01/25/2012 | CN202127276U Lightning protection power source with switcher |
| 01/25/2012 | CN202127237U Container type automatic powering on and off and power supply switching device of gas driven generator set |
| 01/25/2012 | CN102332749A Control equipment and power supply management device and method thereof |
| 01/25/2012 | CN102332748A Method for applying solar energy in elevator and shaft illumination |
| 01/25/2012 | CN102332747A Short-circuit protection method for redundant power supply |
| 01/25/2012 | CN102332743A Multi-purpose electronic ignition system |
| 01/25/2012 | CN101621569B Uninterruptedly powered handset and use method |
| 01/23/2012 | CA2746919A1 Warning and preparatory system for a portable device |
| 01/19/2012 | WO2012006709A1 A light fixture |
| 01/19/2012 | WO2011135293A3 Power supply for telecom base station |
| 01/19/2012 | DE19529750B4 Notleuchte mit konventionellem Vorschaltgerät Emergency Light with conventional ballast |
| 01/19/2012 | CA2804850A1 A light fixture |
| 01/18/2012 | EP2408088A2 Electronic apparatus and power control device |
| 01/18/2012 | EP2408084A2 No break power transfer with solid state power controls |
| 01/18/2012 | EP2407851A1 Household appliance circuit arrangement |
| 01/18/2012 | EP2407850A1 Household appliance circuit arrangement |
| 01/18/2012 | EP2406876A2 Supply circuit for supplying a switch circuit |
| 01/18/2012 | EP2406875A1 Method for portioning output current of a dc-dc converter between its output capacitor and its power stage |
| 01/18/2012 | CN202121375U Power supply controller |
| 01/18/2012 | CN202121374U Double power supply automatic converting switch controller |
| 01/18/2012 | CN202121373U Dual redundant backup communication power supply for boat |
| 01/18/2012 | CN202121372U Mining explosion-proof vacuum feeder switch |
| 01/18/2012 | CN202121352U Micro power consumption uninterrupted power source |
| 01/18/2012 | CN202121332U Chain-type expanded power supply system |
| 01/18/2012 | CN1758503B Method and system for applying power to critical locomotive system |
| 01/18/2012 | CN102324783A Intelligent switching device for power grid |
| 01/18/2012 | CN102324782A Novel standby power automatic switching method suitable for through-type power supply traction substation |
| 01/18/2012 | CN102324781A Novel power supply quick switching control system and switching method thereof |
| 01/18/2012 | CN102324780A Power guarantee device for safety operation of equipment such as motor and pump |
| 01/18/2012 | CN102324767A Multifunctional mobile phone base |
| 01/18/2012 | CN102324757A Monitoring method and system of energy storage system of nuclear power station emergency power supply |
| 01/18/2012 | CN101752899B Compound micro-energy power supply output management control system |
| 01/17/2012 | US8097980 Distributed solar power plant and a method of its connection to the existing power grid |
| 01/12/2012 | WO2012005464A2 Battery power supply device and power controlling method for same |
| 01/11/2012 | CN202111875U Portable 3G (the third generation) wireless router |
| 01/11/2012 | CN202111638U Networking-type wind-solar hybrid power supply device for users in new countryside |
| 01/11/2012 | CN202111524U Switching apparatus of ac and dc power supply |
| 01/11/2012 | CN202111523U Intelligent controlling device of spare power automatic switching of dual power supply |
| 01/11/2012 | CN202111522U Spare power source automatic switching system of ring main unit |
| 01/11/2012 | CN202111521U Power redundancy power supply system for automobile lithium battery |
| 01/11/2012 | CN202111520U Back-up power circuit |
| 01/11/2012 | CN202111519U Backup power supply system |
| 01/11/2012 | CN202111518U Emergency power supply applied in nuclear power station hydraulic pressure test system and monitoring system after accident |
| 01/11/2012 | CN202111517U LED emergency and lighting system |
| 01/11/2012 | CN202111516U Power supply control system applied to rail transit vehicles |
| 01/11/2012 | CN202111513U Charging-inversion combined circuit capable of automatically switching |
| 01/11/2012 | CN202111498U Uninterruptible power supply (UPS) |
| 01/11/2012 | CN202111477U Power supply and distribution system of electric automobile centralized charging station |
| 01/11/2012 | CN202111466U Circuit protection device with automatic transfer switch function |
| 01/11/2012 | CN202109666U Solar water heater capable of generating electricity |
| 01/11/2012 | CN202108663U Alternating current variable-pitch control system |
| 01/11/2012 | CN202108662U Safe and stable alternating-current propeller change control system |
| 01/11/2012 | CN102315821A Multifunctional energy-saving frequency-conversion control device |
| 01/11/2012 | CN102315781A Cabinet system of server |
| 01/11/2012 | CN102315684A Rapid processing method of regional busbar automatic transfer switch with small power source for grid-connected operation |
| 01/11/2012 | CN102315683A Standby electric power system for platinum six-star hotel and grade-A office building |
| 01/11/2012 | CN102315675A Automotive solar power generation device based on bidirectional DC-DC converter |
| 01/11/2012 | CN102315674A Storage cooperative power supply method for wind network and device |
| 01/11/2012 | CN102314837A Colored electronic signboard and power-supply control method thereof |
| 01/11/2012 | CN102314741A Burglary-proof method for operating machine and operating machine |
| 01/11/2012 | CN102313237A City illumination and emergency system adopting solar photovoltaic system as power supply |
| 01/11/2012 | CN101949232B Portable intelligent safety fence |
| 01/11/2012 | CN101764426B Protective device for on-line discharge capacity test of storage battery and testing method thereof |
| 01/11/2012 | CN101662161B UPS manager for video server on construction site |
| 01/11/2012 | CN101388557B Insulated gate bipolar transistor uninterruptible power supply system |
| 01/11/2012 | CN101340110B USB OTC device power source and implementing method thereof |