| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 07/04/2012 | CN102545377A Adaptive spare power automatic switching intertripping device based on substation measurement and control digital quantity |
| 07/04/2012 | CN102545376A Spare power automatic switching system for 220 KV line faults |
| 07/04/2012 | CN102545375A Automatic switching on/off method for emergency power supply of power plant |
| 07/04/2012 | CN102545374A Method without needing direct connection between solar cell panels and cells, device and system |
| 07/04/2012 | CN102545373A Dual power switching device for intelligent electronic equipment |
| 07/04/2012 | CN102545372A Instantaneous voltage reduction protecting device |
| 07/04/2012 | CN102545371A Fully-automatic high-power medium-high frequency alternating current power supply switching device |
| 07/04/2012 | CN102545370A Power supply device for control system of wind driven generator |
| 07/04/2012 | CN102545369A Double-power supply device for large control system |
| 07/04/2012 | CN102545368A Multi-energy intelligent control power-supply system |
| 07/04/2012 | CN102545365A Generator control method and device and communication base station |
| 07/04/2012 | CN102545307A Accumulator control device and method and system for electric auxiliary supply |
| 07/04/2012 | CN102545299A Solar photovoltaic power generation system and power supply method for communication |
| 07/04/2012 | CN102545274A Lead-acid battery charger and charging method thereof |
| 07/04/2012 | CN102545270A Generalized synchronous new method for grid system and device for implementing method |
| 07/04/2012 | CN102545261A Micro-grid experiment system |
| 07/04/2012 | CN101950659B Active photoelectric current transformer using pneumatic and inductive hybrid energy supply |
| 07/04/2012 | CN101895148B Dual-power stable-switching device and method |
| 07/04/2012 | CN101834467B Intelligent shared battery pack UPS (Uninterrupted Power Supply) system and control method thereof |
| 07/04/2012 | CN101771284B Uninterruptible power supply and energy-saving method thereof |
| 07/04/2012 | CN101710727B Control method and control system of power supply and electronic equipment of motor vehicle |
| 07/04/2012 | CN101563829B Data center uninterruptible power distribution architecture |
| 07/04/2012 | CN101405825B Electric power supply system and correlative method |
| 07/04/2012 | CN101350666B Illumination light communication device |
| 07/04/2012 | CN101299547B Apparatus and method for distributed standby power provision |
| 07/03/2012 | US8212403 Circuit for controlling the operation of a backup power supply |
| 07/03/2012 | US8212402 System and method for limiting losses in an uninterruptible power supply |
| 07/03/2012 | US8212401 Redundant isolation and bypass of critical power equipment |
| 06/28/2012 | WO2012088018A2 Apparatus, method, and system for event and backup lighting |
| 06/28/2012 | WO2012086001A1 Power feed device and information processing system |
| 06/28/2012 | WO2012085478A1 Method and device for recharging the battery of a mobile device |
| 06/28/2012 | WO2012084394A1 Field device having a battery unit |
| 06/28/2012 | WO2012054227A3 High density uninterruptible power supplies and related systems and power distribution units |
| 06/28/2012 | US20120161523 Photovoltaic power generation system |
| 06/28/2012 | US20120161522 Power supply device |
| 06/28/2012 | US20120161521 Standby wake-up circuit for electronic device |
| 06/28/2012 | US20120161516 Power supply device |
| 06/28/2012 | DE102010063992A1 Auswertung der Versorgungsspannung von Betriebsgeräten für Leuchtmittel Evaluation of the supply voltage of control gear for lamps |
| 06/27/2012 | EP2467928A1 3-phase high power ups |
| 06/27/2012 | CN202285349U 多制式模块化eps应急电源 Multi-standard modular eps emergency power |
| 06/27/2012 | CN202285348U 一种综合电源装置 An integrated power supply unit |
| 06/27/2012 | CN202285347U 一种自动转换开关常/备用执行开关的状态检测电路 An automatic transfer switch often / standby switch execution state detection circuit |
| 06/27/2012 | CN202285346U Alternating current and direct current conversion device for electric air supplying type long tube respirator |
| 06/27/2012 | CN202285345U 风光互补发电集成装置 Wind power generation integrated device |
| 06/27/2012 | CN202285341U Multifunctional solar charging system |
| 06/27/2012 | CN202284108U Elevator system |
| 06/27/2012 | CN102522816A Implementation method for DC inversion of black start of hydraulic power plant |
| 06/27/2012 | CN102522815A Automatic switching method of intelligent inter-station remote backup power supply |
| 06/27/2012 | CN102522814A Wind-solar hybrid distribution type generating set |
| 06/27/2012 | CN102522813A Photovoltaic power generation voltage stabilizer |
| 06/27/2012 | CN102522812A Direct-current emergency power supply for transformer substation |
| 06/27/2012 | CN102522811A Configuration system of intelligent power supply cube of data computer room |
| 06/27/2012 | CN102522810A Solar energy and utility power complementary power supply control system |
| 06/27/2012 | CN102522809A System and method for achieving power redundancy |
| 06/27/2012 | CN102522808A Auxiliary power supply system and auxiliary power supply method of power electronic equipment |
| 06/27/2012 | CN102522807A Control power supply of pitch system of wind driven generator |
| 06/27/2012 | CN102522806A Wind-solar hybrid energy saving multifunction service center apparatus |
| 06/27/2012 | CN102053463B Projector and power supply control method thereof |
| 06/27/2012 | CN101963317B Explosion-proof emergency indicator lamp |
| 06/27/2012 | CN101917155B Power station excitation fan control system |
| 06/27/2012 | CN101841186B Automatic backup silicon chain switching device for direct-current system |
| 06/27/2012 | CN101814769B Electricity supply system of wind and light commercial power complementary communication base station |
| 06/27/2012 | CN101776240B System and method for emergency lighting |
| 06/27/2012 | CN101752896B Decomposer uninterrupted power supply electric cabinet |
| 06/27/2012 | CN101589531B Storage power supply system, storage device, and their control |
| 06/27/2012 | CN101427440B Charging circuit for emergency light |
| 06/26/2012 | US8207632 Control device for uninterruptible power supply |
| 06/26/2012 | US8207631 Power control of a transport system |
| 06/26/2012 | DE202012102020U1 Stromversorgungseinrichtung für eine Linearaktorvorrichtung sowie Batteriemodul hierfür A power supply device for a Linearaktorvorrichtung and battery module for this purpose |
| 06/21/2012 | WO2012052822A3 Automatic transfer switch with transfer inhibitor |
| 06/21/2012 | WO2011157512A3 Power supply unit for signal luminaires |
| 06/21/2012 | WO2011123963A3 Electronic circuit for measuring the light of light-emitting diodes used in an emergency lamp |
| 06/21/2012 | US20120153721 Uninterrupted power supply circuit unit and method for uninterrupted power supply of consumers of a power generation plant |
| 06/21/2012 | US20120153720 Power system for container data center |
| 06/21/2012 | DE102011089851A1 Uninterrupted power supply device for electrical load, has electrical protection zone including transistor with specific switching time for electrically decoupling electrical load bus from adjacent electrical load bus |
| 06/21/2012 | DE102006040753B4 Redundante Stromversorgung mit Diagnosefähigkeit und Schutzbeschaltung Redundant power supply with diagnostic capability and protection |
| 06/21/2012 | CA2821112A1 Battery management system |
| 06/20/2012 | EP2466715A2 UPS circuit unit and method for continuous power supply for consumers of a power generation assembly |
| 06/20/2012 | EP2147495B1 Method for controlling backup power sources connected in parallel and device comprising backup power sources connected in parallel |
| 06/20/2012 | CN202282891U 双回路led照明装置 Double-loop led lighting device |
| 06/20/2012 | CN202282641U 一种集成灶高频点火的供电电路 An integrated high frequency ignition stove supply circuit |
| 06/20/2012 | CN202282640U 一种双电源自动切换电路 A dual power automatic switching circuit |
| 06/20/2012 | CN202282639U 一种综合电源 An integrated power supply |
| 06/20/2012 | CN202282638U 发电车的供电系统和发电车 Power supply systems and power generation car car |
| 06/20/2012 | CN202282637U Smooth power supply cell switching circuit |
| 06/20/2012 | CN202282636U 一种发动机ecu电源 An engine ecu power |
| 06/20/2012 | CN202282132U Solar energy outdoor advertisement apparatus and solar energy commercial power complementation power supply system |
| 06/20/2012 | CN1934766B Methods and apparatus for providing uninterruptible power |
| 06/20/2012 | CN102510623A Emergency light circuit and system |
| 06/20/2012 | CN102510609A System and method with common and emergency LED (light emitting diode) intelligent illumination |
| 06/20/2012 | CN102510124A Mode switching method for switching micro power grid from islanding mode to grid-connected mode |
| 06/20/2012 | CN102510123A Automatic energy storage control method for large-scale wind power cutter |
| 06/20/2012 | CN102510122A Multi-power supply control devices and system thereof |
| 06/20/2012 | CN102510121A Power failure processing device and method |
| 06/20/2012 | CN102510120A Micro-grid inverter voltage and current double-ring hanging control method based on virtual impedance |
| 06/20/2012 | CN102510090A External fault judging method for micro-grid power system |
| 06/20/2012 | CN102510089A Wind and solar micro power grid system |
| 06/20/2012 | CN101902069B Cold backup double-machine switching circuit |
| 06/20/2012 | CN101834469B Transformer substation-dispatching center two-stage distribution type restoration control method |
| 06/19/2012 | US8203236 Dual voltage-source inverter system and method |