| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/12/2014 | CN203434739U Intelligent-type networking system for direct-current contactor of communication power supply |
| 02/12/2014 | CN203434738U Three power supply automatic changeover switch controller |
| 02/12/2014 | CN203434737U GSM-based remote-control dual-supply automatic changeover switch system |
| 02/12/2014 | CN203434736U Intelligent household solar power supply system |
| 02/12/2014 | CN203434735U Dual power supply delay automatic switch starting circuit |
| 02/12/2014 | CN203434734U Control device controlling power generator and commercial power to power loads |
| 02/12/2014 | CN203434733U Uninterrupted power supply device |
| 02/12/2014 | CN203434732U Power supply system for transformer substation inspection robot |
| 02/12/2014 | CN203434731U Uninterruptable electric power protection switching controller |
| 02/12/2014 | CN203434730U A redundant power supply |
| 02/12/2014 | CN203434729U Emergency power supply having beverage cooling/heating function |
| 02/12/2014 | CN203434724U Uninterrupted integrated power supply system |
| 02/12/2014 | CN203434595U Dual power supply manual switch protection circuit |
| 02/12/2014 | CN203433462U Redundancy unit and redundant power supply system |
| 02/12/2014 | CN103580509A Uninterruptible power supply apparatus for receiving power from different electrical utility configurations |
| 02/12/2014 | CN103580280A Quad-rotor small-sized helicopter hybrid energy supply system |
| 02/12/2014 | CN103580279A 24V uninterruptible power supply system for shadowless lamp or medical instrument bed |
| 02/12/2014 | CN103580278A Automatic control system and method of signal power supply panel |
| 02/12/2014 | CN103580277A Cold-standby switching system for remotely-controlled parallel power supply panels |
| 02/12/2014 | CN103580276A Power supply circuit and power supply switching circuit of clock chip, power supply switching method and microwave oven |
| 02/12/2014 | CN103580275A Rail transit shielded gate uninterruptible power supply and working method thereof |
| 02/12/2014 | CN103580274A Uninterruptible protection power source system of video server for train |
| 02/12/2014 | CN103580273A Horizontal centrifuge machine for complementary power supply |
| 02/12/2014 | CN103580272A Time-delay circuit for outage of power source |
| 02/12/2014 | CN103580271A Modularized pluggable emergency power supply and working method thereof |
| 02/12/2014 | CN103580270A 不断电系统及其操作方法 Uninterruptible power system and its method of operation |
| 02/12/2014 | CN103580269A Photovoltaic electricity grid-connected and grid-disconnected duplicate supply system |
| 02/12/2014 | CN103580268A PC-class double-power-supply controller |
| 02/12/2014 | CN103580267A Emergency lamp for generator set |
| 02/12/2014 | CN103580266A UPS parallel operation system and parallel operation method |
| 02/12/2014 | CN103580265A Standby power system that predicts need to supply power to load to minimize start time of generator |
| 02/12/2014 | CN103580264A Direct current micro-grid system supplying power in looped network mode |
| 02/12/2014 | CN103580084A Indoor distributed system integral switch power source and power supply method of indoor distributed system integral switch power source |
| 02/12/2014 | CN103580081A Domestic wind energy and optical energy power supply system |
| 02/12/2014 | CN103575954A Power source monitoring system |
| 02/12/2014 | CN103568854A Electric car battery parallel-connection control system |
| 02/12/2014 | CN102593946B Double-power-supply automatic-switching circuit based on application of power MOSFET (Metal-Oxide -Semiconductor Field Effect Transistor) |
| 02/12/2014 | CN101620441B Monitoring system in communication computer room |
| 02/11/2014 | US8648494 Uninterruptible power supply and method of energy saving thereof |
| 02/06/2014 | WO2014020645A1 Power supply system and slave power storage system |
| 02/06/2014 | WO2014020644A1 Power supply system, master power storage system, and slave power storage system |
| 02/06/2014 | WO2014019345A1 Temperature-controlled equipment and cabinet for communication equipment |
| 02/06/2014 | WO2013188415A3 Capacitor-based ups |
| 02/06/2014 | US20140035376 Uninterruptible power system and method of operating the same |
| 02/06/2014 | US20140035375 Reducing power losses in a redundant power supply system |
| 02/06/2014 | DE102013003076A1 Lamp used for emergency lighting in e.g. public building, has luminous unit that is provided with secondary power supply activated by wireless signal receiver, and LED that is switched independently with respect to primary power source |
| 02/05/2014 | EP2693627A2 Apparatus and method for an adaptive level transition of an NPC-inverter within a transformerless uninterruptible power supply |
| 02/05/2014 | EP2692047A1 System and method for off-line ups |
| 02/05/2014 | EP2691648A1 Redundant power supply architecture |
| 02/05/2014 | CN203423648U Embedded type solar direct current power supply system |
| 02/05/2014 | CN203423535U PC-level dual-power automatic transfer switch |
| 02/05/2014 | CN203423534U Power supply circuit capable of raising built-in real-time clock precision of MCU of electric energy meter |
| 02/05/2014 | CN203423533U Voice broadcasting type dual-power supply automatic conversion switch |
| 02/05/2014 | CN203423531U Photoelectric building micro electrical network management system |
| 02/05/2014 | CN203423396U Mains supply and oil engine conversion distribution box |
| 02/05/2014 | CN203422835U Collector provided with double power supplies for power supply and multiple channels |
| 02/05/2014 | CN203421259U Intelligent domestic water leakage protection system |
| 02/05/2014 | CN103563211A Domestic appliance having a stand-by mode and method for operating such a domestic appliance |
| 02/05/2014 | CN103562818A Waking electronic device |
| 02/05/2014 | CN103560579A Distributed backup automatic switch device connecting method and backup automatic switch action method of distributed backup automatic switch device |
| 02/05/2014 | CN103560578A Disaster emergency power supply system |
| 02/05/2014 | CN103560567A Station power management module |
| 02/05/2014 | CN102624081B Solid-state switch switching control method with fault circulation inhibiting effect |
| 02/05/2014 | CN102386674B Wind and light complement power supply switching system for marine communication cabin and method |
| 02/05/2014 | CN102299548B Electronic device and power supply method thereof as well as wireless power supply system |
| 02/05/2014 | CN102255356B Efficient uninterruptible power supply |
| 02/05/2014 | CN102017352B Circuitry for feeding drive machine having plurality of winding systems |
| 02/05/2014 | CN101867221B Single board and method for power monitoring in board |
| 02/04/2014 | US8643216 Electrical storage element control system for a vehicle |
| 02/04/2014 | US8643215 Mobile auxilliary power system for electrical distribution and transmission systems |
| 02/04/2014 | US8643213 Generator frequency controlled load shifting |
| 01/30/2014 | WO2014017881A1 Method for driving emergency generator using energy storage system |
| 01/30/2014 | WO2014017713A1 Uninterruptible power supply system |
| 01/30/2014 | WO2014016919A1 Power supply system |
| 01/30/2014 | US20140028100 Reducing power losses in a redundant power supply system |
| 01/30/2014 | US20140028099 Uninterruptible power supply apparatus for receiving power from different electrical utility configurations |
| 01/29/2014 | EP2690751A2 Remote annunciator |
| 01/29/2014 | EP2690750A2 Uninterruptible power supply apparatus for receiving power from different electrical utility configurations |
| 01/29/2014 | EP2690747A2 Control system, power supply system, and method for preventing a floating charge of battery |
| 01/29/2014 | EP2690738A2 Generator management system that determines a time to activate and deactivate generators based on the load level |
| 01/29/2014 | CN203416045U Dual-power on-off switching circuit |
| 01/29/2014 | CN203416044U Self-starting DC generator |
| 01/29/2014 | CN203416043U UPS cabinet pedestal |
| 01/29/2014 | CN203416042U Dual-power automatic change-over switch |
| 01/29/2014 | CN203416041U Alternating/direct current dual-power distribution box |
| 01/29/2014 | CN203416040U Energy supply system for household photovoltaic power generation and commercial power coordination |
| 01/29/2014 | CN203416039U Main and standby power source switching structure |
| 01/29/2014 | CN203416038U Dual power supply device |
| 01/29/2014 | CN203416037U Direct current uninterrupted power source |
| 01/29/2014 | CN203416015U Uninterrupted power supply system |
| 01/29/2014 | CN203415997U Power supply circuit of control circuit of solar energy controller |
| 01/29/2014 | CN103545915A Energy-saving method for handheld operating device of microscopic experiment system |
| 01/29/2014 | CN103545914A Dual-path electricity supply circuit with automatic switching function |
| 01/29/2014 | CN103545913A Thermal power plant frequency converter low voltage ride through device with alternating-current input backup and direct-current input backup |
| 01/29/2014 | CN103545912A Power supply switching circuit, real time clock device, electronic apparatus, mobile unit, and method of controlling power supply switching circuit |
| 01/29/2014 | CN103545911A Uninterrupted power system capable of conducting double-input intelligent power supply |
| 01/29/2014 | CN103545910A Dual-power-supply control circuit |
| 01/29/2014 | CN103545909A Emergency power supply system applicable to movable lamp |
| 01/29/2014 | CN103545908A Direct-current self-starting emergent vehicle power source |
| 01/29/2014 | CN102733474B Environmentally-friendly method for additionally supplying water and power for building and system |