| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 04/27/2011 | CN201813207U Automatic conversion switch |
| 04/27/2011 | CN201813206U Dual-power device |
| 04/27/2011 | CN201813205U Special double-power phase sequence automatic error-correcting and alarming device for fire protection |
| 04/27/2011 | CN201813204U Main circuit structure of contactless compensated alternating current voltage stabilizer |
| 04/27/2011 | CN201813203U Intelligent power supply inverter |
| 04/27/2011 | CN201813202U Emergency multifunctional power supply |
| 04/27/2011 | CN201813172U Elevator electric energy feedback reutilizing device |
| 04/27/2011 | CN201810478U Pitch control unit of wind driven generator and device thereof |
| 04/27/2011 | CN102035462A Three-phase fan frequency conversion power saver |
| 04/27/2011 | CN102035302A Self-power generation driving and charging system for magnetic motor of electric automobile |
| 04/27/2011 | CN102035264A Semiconductor device and radio communication device |
| 04/27/2011 | CN102035255A Intelligent control method of hybrid power system |
| 04/27/2011 | CN102035251A Weak current comprehensive uninterrupted power supply (UPS) system for railway |
| 04/27/2011 | CN102035250A Semiconductor device, voltage comparison circuit, power management circuit and electronic instrument |
| 04/27/2011 | CN102035249A Direct current power supply emergency system of transformer substation based on lithium iron battery |
| 04/27/2011 | CN102035248A Backup power for underground microprocessor relay protection device |
| 04/27/2011 | CN102035247A Method for designing power supply of centralized RACK system |
| 04/27/2011 | CN102035237A Wind-light-electricity complementary intelligent management system |
| 04/27/2011 | CN101299540B Apparatus for implementing low voltage cross-over of wind generator set |
| 04/27/2011 | CN101257222B Burst power failure emergency electric power safeguard system at mobile area |
| 04/26/2011 | US7932635 Transfer switch system with neutral current management |
| 04/26/2011 | CA2605913C Apparatus and method for detecting failure in an emergency lighting lamphead |
| 04/21/2011 | WO2011045925A1 Power source device and vehicle |
| 04/21/2011 | WO2011002416A3 Charging apparatus for electronic devices |
| 04/21/2011 | US20110090469 Projection display device and electronic device |
| 04/20/2011 | EP2312725A2 Electric device to reduce energy consumption at an interruption of mains |
| 04/20/2011 | EP2310668A1 Emergency light unit |
| 04/20/2011 | CN201805381U Portable electronic apparatus |
| 04/20/2011 | CN201805273U Relay contact zero current breaking circuit for compensating alternating-current voltage stabilizer |
| 04/20/2011 | CN201805272U Intelligent incoming line standby power self-input device for regions having rich small hydropower stations |
| 04/20/2011 | CN201805271U UPS (uninterruptible power supply) device |
| 04/20/2011 | CN201805270U High-reliability 25Hz electronic power supply with novel detection device |
| 04/20/2011 | CN201805269U Zero-power loss electronic switching device of standby power source of model airplane receiver |
| 04/20/2011 | CN201805268U Low-voltage power distribution three-incoming line two-bus contact electrical interlocking control device |
| 04/20/2011 | CN201805267U Constant-current source circuit for IIC (international integrated circuit) |
| 04/20/2011 | CN201805239U Device of intelligent switching transformer bank |
| 04/20/2011 | CN1945771B Outdoor high voltage double power source vacuum breaker |
| 04/20/2011 | CN102025192A Intelligent distribution panel for weak current integrated uninterruptable power supply (UPS) system of metro |
| 04/20/2011 | CN102025191A Automatic switching device for double power supplies of power load management terminal |
| 04/20/2011 | CN102025190A Power protection device for building space wireless anti-theft fire fighting communication host |
| 04/20/2011 | CN102025189A Double-circuit power supply switching method and device |
| 04/20/2011 | CN102025188A Power supply cooperation system and uninterruptible power supply device |
| 04/20/2011 | CN102025187A Integrated UPS (Uninterrupted Power Supply) parallel system of underground weak current |
| 04/20/2011 | CN102022260A Supercapacitor-based redundant electric variable pitch system |
| 04/20/2011 | CN102020338A Drinking water purification system powered by solar energy |
| 04/20/2011 | CN102019858A Automobile drive device utilizing unified solar energy for power supply |
| 04/20/2011 | CN101567564B Voltage and power regulator based on the composite energy storage of storage battery and super capacitor |
| 04/19/2011 | US7928620 Device for safeguarding an uninterruptible power supply of a magnet bearing in the event of failure of an electrical supply voltage |
| 04/14/2011 | WO2011042780A1 Electric power supply system |
| 04/14/2011 | WO2011042779A1 Dc power distribution system |
| 04/14/2011 | WO2010127885A3 Emergency power supply device |
| 04/14/2011 | US20110084554 Led lamp |
| 04/13/2011 | EP2308148A2 Standby circuit and electric appliance comprising such a circuit |
| 04/13/2011 | CN201797370U Control circuit for change-over switch device |
| 04/13/2011 | CN201797369U Periodical automatic discharge-type emergency power supply |
| 04/13/2011 | CN201797368U Rapid switching emergency power supply |
| 04/13/2011 | CN201797367U Uniterruptable power supply capable of operating in two modes |
| 04/13/2011 | CN201796766U Electrical interlocking control device for transfer switching equipment |
| 04/13/2011 | CN201796332U DC single power and ATX power sharing scheme structure |
| 04/13/2011 | CN201792875U Safe joint structure of three-phase alternating current switch machine |
| 04/13/2011 | CN1879287B Forward converter |
| 04/13/2011 | CN102017352A Circuitry for feeding a drive machine having a plurality of winding systems |
| 04/13/2011 | CN102016454A Uninterruptible cooling system and apparatus |
| 04/13/2011 | CN102013754A Energy-saving elevator power distribution system |
| 04/13/2011 | CN102013727A Built-in uninterrupted power supply of wind power generation paddle changing system |
| 04/13/2011 | CN102013726A Backup power supply device in wind turbine pitch system |
| 04/13/2011 | CN102013725A Time delay switching circuit |
| 04/13/2011 | CN102013724A Solar energy and commercial power complementary power supply |
| 04/13/2011 | CN102013723A Three-phase voltage stabilizer for long-distance temporary power supply of single-phase generator |
| 04/13/2011 | CN101478177B Safe automatic control method suitable for transforming plant main transformer tripping |
| 04/13/2011 | CN101378207B 负载控制模块 Load control module |
| 04/12/2011 | US7923863 System for line powering |
| 04/07/2011 | WO2011039600A1 Load control system |
| 04/07/2011 | US20110080299 Emergency power activation device |
| 04/06/2011 | EP2306614A1 System of automatic surveillant revolving storage battery auxiliary charge |
| 04/06/2011 | CN201789571U Television capable of realizing zero power consumption for power grid in standby mode |
| 04/06/2011 | CN201789469U Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles |
| 04/06/2011 | CN201789344U Mobile double-power switching device |
| 04/06/2011 | CN201789341U Monitoring system of intelligent micro-grid |
| 04/06/2011 | CN201789335U Unconventional high-power uninterruptable power source |
| 04/06/2011 | CN201789334U Standby power switching device |
| 04/06/2011 | CN201789333U Onboard emergency lighting power system |
| 04/06/2011 | CN201789332U Power supply system of communication base station |
| 04/06/2011 | CN201789331U Aircraft engine power system |
| 04/06/2011 | CN201789330U Crane solar power supply device |
| 04/06/2011 | CN201789329U Uninterruptable AC and DC power supply system |
| 04/06/2011 | CN201789328U Dual-power supply automatic rapid switching device |
| 04/06/2011 | CN201789327U Solar power supply system for vehicle air conditioner |
| 04/06/2011 | CN201789326U Moped electric bicycle and alternating current output device for the same |
| 04/06/2011 | CN201789325U Nitrogen compressor dual-power device |
| 04/06/2011 | CN201789324U Communication USB adapter for microminiature uninterrupted power supply |
| 04/06/2011 | CN201789318U Mobile phone power supply device with leather case battery for power supply |
| 04/06/2011 | CN201787471U Scenery complementary landscape illuminating system |
| 04/06/2011 | CN102007667A Hot-swappable battery retrofit module |
| 04/06/2011 | CN102007666A Emergency power supply device for a hybrid vehicle |
| 04/06/2011 | CN102005817A Uninterruptible power supply device based on microgrid and dispatching control method thereof |
| 04/06/2011 | CN102005813A Power supply system |
| 04/06/2011 | CN102005812A Method and device for judging alternating current power failure |
| 04/06/2011 | CN102005811A Uninterrupted power supply using lithium iron phosphate battery |
| 04/06/2011 | CN102005810A System and method for vehicle power supply, power source, installation device and power adapter |