| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 12/18/2013 | CN103456126A Alarm indication device and using method thereof |
| 12/18/2013 | CN102545378B Controller, load protection method, automatic transfer switching equipment and system |
| 12/18/2013 | CN102290838B Power supply control system for electric vehicle |
| 12/18/2013 | CN102244411B UPS parallel machine system and parallel machine method thereof |
| 12/18/2013 | CN102244395B Power distribution circuit of UPS (uninterruptible power supply) |
| 12/18/2013 | CN102111947B Intelligent control system for emergency lighting electroless lamp |
| 12/18/2013 | CN101753064B Power supply method and device and electric equipment |
| 12/12/2013 | WO2013182824A1 Mobile platform for producing electricity in emergency or peak mode |
| 12/12/2013 | WO2013092548A3 Unlocking circuit |
| 12/12/2013 | US20130328402 Led illumination device for fluorescent light fixture |
| 12/12/2013 | US20130328401 Control apparatus, device and method for power management for same |
| 12/12/2013 | US20130328389 Shore power transfer switch |
| 12/11/2013 | CN203339799U Dual power supply control system |
| 12/11/2013 | CN203339798U Fire-fighting linkage power supply module |
| 12/11/2013 | CN203339797U Mah-jongg machine automatic charge and discharge inverter power supply system |
| 12/11/2013 | CN203339796U Fast power switching device |
| 12/11/2013 | CN203339795U Plug-and-play uninterrupted power source (UPS) |
| 12/11/2013 | CN203339794U Diesel generator hard start control device |
| 12/11/2013 | CN203339793U An apparatus for switching double DC power supplies in parallel |
| 12/11/2013 | CN203339792U Intelligent microgrid system based on distributed photovoltaic components |
| 12/11/2013 | CN203339791U 全天候发电站 Weather stations |
| 12/11/2013 | CN203339790U Modular photovoltaic inverter control integrated machine |
| 12/11/2013 | CN203339761U UPS circuit |
| 12/11/2013 | CN203339648U DC energy storage power supply protecting tripping mechanism |
| 12/11/2013 | CN103444049A Apparatus and method for providing uninterruptible power |
| 12/11/2013 | CN103441569A Device and method for monitoring electrical network voltage instant jittering |
| 12/11/2013 | CN103441568A Uninterruptible automatic-switchover control system for photovoltaic power supply and electric supply |
| 12/11/2013 | CN103441567A Emergency electrical power supply system and power supply method related to nuclear power station passive system |
| 12/11/2013 | CN102122917B Electric pitch change control device and electric pitch change control system |
| 12/10/2013 | US8604640 Methods and apparatus for providing uninterruptible power |
| 12/05/2013 | WO2013179731A1 Storage cell system |
| 12/05/2013 | WO2013179599A1 Power-generation system, and method for controlling same, and storage-cell system, and method for operating same |
| 12/05/2013 | WO2013179134A1 Ballast with battery backup |
| 12/05/2013 | WO2013178546A1 Voltage supply for an inverter |
| 12/05/2013 | WO2013177689A1 Power control device |
| 12/05/2013 | WO2013101432A3 System and method for maintaining proper phase neutral wiring in a power system |
| 12/05/2013 | CA2874947A1 Power control device |
| 12/04/2013 | EP2670021A2 Hydrogen purge system, computer program product and related method |
| 12/04/2013 | CN203326902U Gas fire-fighting linkage power supply module |
| 12/04/2013 | CN203326901U Module type linkage power supply |
| 12/04/2013 | CN203326708U Switching controller for three-path power supply |
| 12/04/2013 | CN203326707U Seamless-switching emergency power supply |
| 12/04/2013 | CN203326706U Airport constant current power supply switching device |
| 12/04/2013 | CN203326705U Power supply device of electric bridge crane for wharf |
| 12/04/2013 | CN203326704U Backup power supply automatic switching apparatus |
| 12/04/2013 | CN203326703U UPS battery protective device |
| 12/04/2013 | CN203326702U Dual power supply switching device |
| 12/04/2013 | CN203326701U Automatic control converting power source preventing power interruption and transient voltage sag for production equipment |
| 12/04/2013 | CN203326700U Uninterruptible power supply (UPS) power supply system |
| 12/04/2013 | CN203326699U Uninterruptible power supply (UPS) power supply system |
| 12/04/2013 | CN203326698U Complete apparatus for emergency maintenance |
| 12/04/2013 | CN203326697U Miniwatt emergency power supply system |
| 12/04/2013 | CN203326696U Vehicle-mounted type temporary power conversion system |
| 12/04/2013 | CN203326680U Usb便携式应急充电装置 Usb portable emergency charging device |
| 12/04/2013 | CN203326659U Multi-functional complementary independent power generation system |
| 12/04/2013 | CN203326635U Solar power supply control device |
| 12/04/2013 | CN203321770U Intelligent solar photovoltaic DC (direct current) water pump system |
| 12/04/2013 | CN103430424A 电力控制装置和电力控制方法 Device power control and power control method |
| 12/04/2013 | CN103427484A Centralized control method of regional power grid spare power automatic switching devices |
| 12/04/2013 | CN103427483A Networked automatic stand-by power switching device and information processing and testing method thereof |
| 12/04/2013 | CN103427482A Novel microcomputer protection switching power supply plug-in device |
| 12/04/2013 | CN103427481A Topological circuit for uninterruptible power supply |
| 12/04/2013 | CN103427480A Universal remote spare power automatic switching system |
| 12/04/2013 | CN103427479A Method for switching safety power sources of power plant on basis of DCS (distributed control system) |
| 12/04/2013 | CN103427478A Power source cross power supply system |
| 12/04/2013 | CN103427477A Power control apparatus, power supply control method, and power supply control program |
| 12/04/2013 | CN103427476A Energy management system based on wireless sensor node |
| 12/04/2013 | CN103427475A Nuclear power plant control rod control system maintenance bus |
| 12/04/2013 | CN103427474A Uninterruptible power supply device control method, the uninterruptible power supply unit |
| 12/04/2013 | CN103427473A Power management device and method |
| 12/04/2013 | CN103427472A Three-phase frequency conversion output power supply emergency power supply cabinet |
| 12/04/2013 | CN103427471A Isolated island operation method and system of emergency energy storage system of nuclear power plant |
| 12/04/2013 | CN103427470A Method for supplying emergency power source by nuclear power plant and movable type storage battery energy storage system |
| 12/03/2013 | US8598853 Method of balancing current supplied to a load |
| 11/30/2013 | CA2816521A1 System and method for providing electrical power |
| 11/28/2013 | WO2013176655A1 Alternating power sources to manage input power in a converter |
| 11/28/2013 | WO2013174316A1 Power-off circuit, direct current combination power supply system and power-off control method |
| 11/28/2013 | WO2013174088A1 Power supply apparatus |
| 11/28/2013 | US20130313907 Power supply device for linear actuator apparatus and battery module thereof |
| 11/28/2013 | US20130313902 Power control apparatus, power supply control method, and power supply control program |
| 11/27/2013 | EP2666230A1 Apparatus and method for providing uninterruptible power |
| 11/27/2013 | EP2666229A1 Uninterruptible power supplies for use in a distributed network |
| 11/27/2013 | EP2665881A2 Sun protection, closure or blackout apparatus comprising a back-up power supply unit for an actuator and method for controlling such an apparatus |
| 11/27/2013 | CN203313204U AP assistant module based on POE technology |
| 11/27/2013 | CN203312904U Power supplying system with bypass loop |
| 11/27/2013 | CN203312903U Diesel generator self-starting system with three switchable starting modes |
| 11/27/2013 | CN203312902U Automatic switching device of notebook emergency power supply |
| 11/27/2013 | CN203312901U Flameproof and intrinsically-safe power supply |
| 11/27/2013 | CN203312900U Seamless switching purifying power supply device |
| 11/27/2013 | CN203312899U Manual switching device of notebook power supply |
| 11/27/2013 | CN203312898U Fire emergency power supply cabinet |
| 11/27/2013 | CN203312897U Measuring truck illumination power supply system |
| 11/27/2013 | CN203312895U Universal type communication base station solar energy and wind energy centralized power supply system |
| 11/27/2013 | CN203312871U Multifunctional mobile business terminal partner voltage conversion circuit and switching circuit |
| 11/27/2013 | CN203306867U Ultra-capacitor energy storage type elevator rescue device |
| 11/27/2013 | CN103415987A 双向降压-升压变换器 Bidirectional buck - boost converter |
| 11/27/2013 | CN103414244A Ring main unit self-powered system |
| 11/27/2013 | CN103414243A Power supply system of electronic engine controller |
| 11/27/2013 | CN103414242A Electrified railway in-phase power supplying method and standby machine structure |
| 11/27/2013 | CN103414241A Automatic switching power supply circuit used in underground coal mine |