| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/28/2013 | US20130049470 Power analysis module for monitoring an electrical power source |
| 02/28/2013 | US20130049463 Redundant power system |
| 02/28/2013 | CA2845565A1 Solar synchronized loads for photovoltaic systems |
| 02/27/2013 | CN202759284U Station-use AC-DC integrated power supply system |
| 02/27/2013 | CN202759283U Auxiliary power supply for high-power UPS |
| 02/27/2013 | CN202759282U Mining flameproof and intrinsically safe type DC stabilized voltage supply |
| 02/27/2013 | CN202759281U Automatic switching device for standby power supply |
| 02/27/2013 | CN202759280U Power station accident illumination system |
| 02/27/2013 | CN202758481U Portable wireless data collection box |
| 02/27/2013 | CN102947132A Rail vehicle emergency lighting |
| 02/27/2013 | CN102946147A Integrated terminal for integrated supervision of intelligent power distribution room |
| 02/27/2013 | CN102946140A Method and device for determining shortest weighting path of black start |
| 02/27/2013 | CN102946139A Spared powder automatic switching device of direct current (DC) power supply |
| 02/27/2013 | CN102946138A Power supply switching device |
| 02/27/2013 | CN102946137A Harmonic wave reactive compensation control method based on high-voltage inverter bypass |
| 02/27/2013 | CN102946136A Circuit and method for switching from power frequency of high-voltage inverter to variable frequency without disturbance |
| 02/27/2013 | CN102074952B Independent micro-grid system |
| 02/27/2013 | CN101924390B Method for preventing power failure of server cabinet system |
| 02/27/2013 | CN101800010B Exit signs with and without emergency lighting |
| 02/26/2013 | US8386809 System and method for configuring a power device |
| 02/21/2013 | WO2012165779A3 Uninterruptible power system for electricity facilities of a large building |
| 02/21/2013 | US20130043729 Uninterruptible power-supply apparatus and method of using the same |
| 02/21/2013 | US20130043724 Solar Synchronized Loads for Photovoltaic Systems |
| 02/21/2013 | US20130043723 Solar synchronized loads for photovoltaic systems |
| 02/21/2013 | DE102011080996A1 Betrieb eines Leuchtmittels mit autonomem Energiespeicher Operation of a lamp with autonomous energy storage |
| 02/20/2013 | CN202749912U Intelligent controller |
| 02/20/2013 | CN202749905U Reliable power supply system of safety valve of voltage stabilizer of pressurized water reactor |
| 02/20/2013 | CN202749904U System realizing automatic failure compensation for power battery |
| 02/20/2013 | CN202749903U Power distributor for communication data center machine room |
| 02/20/2013 | CN202749902U Uninterrupted power supply circuit |
| 02/20/2013 | CN202749901U DC-source expansion device |
| 02/20/2013 | CN202749900U Singe-phase inverter for emergency power supply |
| 02/20/2013 | CN202749899U Household appliance control system applying battery-powered direct current motor |
| 02/20/2013 | CN202749898U Automatic switching device of two alternating-current power supplies of direct-current system |
| 02/20/2013 | CN202749897U Two-circuit power supply system for photovoltaic electric power network connection and separation |
| 02/20/2013 | CN202749896U Control return circuit power supply switching device |
| 02/20/2013 | CN202749895U Novel CPS dual power controller with electrical association |
| 02/20/2013 | CN202749894U Emergency power supply capable of indicating undervoltage of storage battery |
| 02/20/2013 | CN202749893U Output zone isolation general uninterrupted power source |
| 02/20/2013 | CN202749892U Mining explosion-isolation and essential-safety type UPS |
| 02/20/2013 | CN202749891U Alternating current-direct current integrated power supply apparatus |
| 02/20/2013 | CN202749873U Solar energy/electric energy double power supply system |
| 02/20/2013 | CN202749865U Unsupervised wind and solar complementation intelligent multifunctional charging station |
| 02/20/2013 | CN202749834U Low-voltage ride through device of photovoltaic grid-connected inverter |
| 02/20/2013 | CN202749710U Drawer type switch cabinet with double-bus structure |
| 02/20/2013 | CN202742849U 备用电源笔记本 Standby Power Notebook |
| 02/20/2013 | CN102939697A Hybrid power plant for improved efficiency and dynamic performance |
| 02/20/2013 | CN102938580A Portable multifunctional power supply for emergency repair |
| 02/20/2013 | CN102938570A Power supply system and power supply method |
| 02/20/2013 | CN102214952B Uninterruptible power supply system for avoiding electric arc generation and cabinet with same |
| 02/20/2013 | CN101548450B Apparatus with rechargeable power supply |
| 02/19/2013 | US8379359 Uninterruptible power supply |
| 02/19/2013 | US8378521 Energy storage systems |
| 02/18/2013 | CA2786459A1 High-frequency transformer |
| 02/14/2013 | WO2013022632A2 Intelligent arbitration of power line based coordinating signals between multiple ups buses without any auxiliary signals |
| 02/14/2013 | US20130038128 Electronic circuit and mobile terminal device using the same |
| 02/14/2013 | US20130038127 System and method for optimizing energy storage device cycle life |
| 02/13/2013 | EP2557658A2 Standby power system for handheld electronic device and method for supplying standby power. |
| 02/13/2013 | EP2557657A2 Emergency lighting system and method for supplying it with power |
| 02/13/2013 | EP2557656A1 Power-fail retaining circuit, method and power supply system |
| 02/13/2013 | EP2556726A1 Modular led lighting system having emergency light function |
| 02/13/2013 | EP2556725A1 Modular led lighting system having an emergency light function |
| 02/13/2013 | CN202737759U Mining explosion-proof and intrinsic safe type stabilized voltage power supply |
| 02/13/2013 | CN202737573U DC dual-power automatic switching control device |
| 02/13/2013 | CN202737572U Transformer station spare power automatic switching power device |
| 02/13/2013 | CN202737571U Vehicle power supply system |
| 02/13/2013 | CN202737570U Intelligent standby power automatic switching controller |
| 02/13/2013 | CN202737569U Single-phase interactive type EPS power source |
| 02/13/2013 | CN202737568U Management and monitoring system of down hole uninterrupted power supply (UPS) |
| 02/13/2013 | CN202737567U Control circuit having two sets of power supplies capable of supplying power independently and automatically switching as stand-by to each other |
| 02/13/2013 | CN202737566U Coordinated management control device capable of supplying power by multiple power supplies |
| 02/13/2013 | CN202737565U Output double-channel master control power supply |
| 02/13/2013 | CN202737564U Maintenance bus for control rod control system in nuclear power plant |
| 02/13/2013 | CN202737563U Intelligent power supply management device |
| 02/13/2013 | CN202737562U Emergency starting interface and emergency starting system |
| 02/13/2013 | CN202737561U Small-size three phase interactive UPS power source |
| 02/13/2013 | CN202737560U Voltage-loss protection circuit of dual-power wire incoming high-voltage switch cabinet |
| 02/13/2013 | CN202737559U Intelligent type AC-DC integrated uninterrupted power supply system |
| 02/13/2013 | CN202737558U Rechargeable integrated access device |
| 02/13/2013 | CN202737557U Led应急灯 Led Emergency Light |
| 02/13/2013 | CN202737555U Composite energy apparatus for ship and ship equipped with same |
| 02/13/2013 | CN202737517U Charging and discharging control device |
| 02/13/2013 | CN202737457U AC-DC double-purpose power supply |
| 02/13/2013 | CN102934326A Power distribution system having priority load control |
| 02/13/2013 | CN102934320A Battery power supply device and power controlling method for same |
| 02/13/2013 | CN102931888A Automatic control system with dual powers of greenhouse shutter rolling machine |
| 02/13/2013 | CN102931829A Power-factor correction circuit and power circuit |
| 02/13/2013 | CN102931722A Distributed power supply management method and system |
| 02/13/2013 | CN102931721A Power uninterruptible power supply (UPS) system based on super-capacitor and energy storage method thereof |
| 02/13/2013 | CN102931720A Power circuit and power switching method |
| 02/13/2013 | CN102931719A System for switching power supplies without disconnecting bus from power supplies |
| 02/13/2013 | CN102931718A Emergency power supply device and method for lift |
| 02/13/2013 | CN102931717A Power supply device for control system of semi-steel NRM hydraulic vulcanizing machine |
| 02/13/2013 | CN102931704A Solar energy and piezoelectricity power generation complementary charger |
| 02/13/2013 | CN102931702A Battery unit parallel system, device and battery unit parallel method |
| 02/13/2013 | CN102931587A Security power supply and distribution truck |
| 02/13/2013 | CN102927766A Electric power storage type music refrigerator |
| 02/13/2013 | CN102923314A Hybrid power distribution mooring flying platform with double power sources |
| 02/13/2013 | CN102097752B Direct-current distribution panel for helicopter |
| 02/13/2013 | CN102005812B Method and device for judging alternating current power failure |