| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 10/16/2013 | CN103354386A Single-in and single-out parallel online UPS (uninterrupted power supply) |
| 10/16/2013 | CN103354366A Application of floating-charge type protective lithium iron phosphate storage battery in electric power engineering DC system |
| 10/16/2013 | CN102386797B Inverter power supply circuit capable of drawing electricity from DC bus |
| 10/16/2013 | CN102290854B Method and device for performing state control on redundant power module |
| 10/10/2013 | WO2013151949A1 Transformer coupled current capping power supply topology |
| 10/10/2013 | WO2013151528A1 Power supply control |
| 10/10/2013 | WO2013070595A3 Electronic device state detection for zero power charger control, systems and methods |
| 10/10/2013 | US20130264880 Wireless power supply device, electronic device capable of receiving wireless power, and method for controlling transmission of wireless power |
| 10/10/2013 | US20130264879 Low power consumption backup power system |
| 10/10/2013 | US20130264878 Power interruption bridge circuit |
| 10/10/2013 | DE102012006846A1 LED module of lighting system for general lighting in building, has group of LEDs that is activated to output light through second light exit surface of LED module, during emergency light mode |
| 10/09/2013 | EP2648488A1 LED lighting unit and method for controlling an electrical installation including such a lighting unit |
| 10/09/2013 | EP2648322A1 Power interruption bridge circuit |
| 10/09/2013 | EP2647103A2 Method and system for fast switching backup power supply in multiple power source |
| 10/09/2013 | CN203233234U Control device for substation power supply system |
| 10/09/2013 | CN203233232U Power supply control circuit of backup power source |
| 10/09/2013 | CN203233231U Distributed multi-power switching device of high-low voltage power distribution cabinet |
| 10/09/2013 | CN203233230U Capacitor charger type uninterruptible power supply |
| 10/09/2013 | CN203233229U Share-based power supply operation and support system of seafloor observation network |
| 10/09/2013 | CN203233228U Skid-mounted UPS power box |
| 10/09/2013 | CN203233222U Backup power supply charging-discharging control circuit of remote communication base station |
| 10/09/2013 | CN103348084A Sun protection, closure or blackout apparatus comprising a back-up power supply unit for an actuator and method for controlling such an apparatus |
| 10/09/2013 | CN103346734A Double-power double-fan switch protection circuit |
| 10/09/2013 | CN103346614A Power supply applied to automobile |
| 10/09/2013 | CN103346613A Power supply method of back-up power source of electric overhead travelling crane for wharf |
| 10/09/2013 | CN103346612A 336 VDC direct current uninterruptible power system and power supply method |
| 10/09/2013 | CN103346611A Modularized photovoltaic inverter control all-in-one machine |
| 10/09/2013 | CN103344879A Electrical capacity measuring method for quick power source switching apparatus |
| 10/09/2013 | CN102394497B Microgrid coordination control system and method based on state transition |
| 10/09/2013 | CN102355042B Super-capacitor-based direct current power device of power station and power supply method thereof |
| 10/09/2013 | CN101989763B Power supply backup system and device and communication equipment |
| 10/09/2013 | CN101834072B Common-mode excitation high-speed CB type dual power automatic transfer switching equipment |
| 10/09/2013 | CN101801131B Emergency lamp control circuit and emergency illumination lamp fitting |
| 10/08/2013 | US8552878 Voltage drop cancellation |
| 10/08/2013 | US8552590 Energy management system and grid-connected energy storage system including the energy management system |
| 10/08/2013 | US8552589 Digital control method for operating the UPS systems in parallel |
| 10/03/2013 | US20130257162 Power supply device and electronic device system |
| 10/03/2013 | US20130257158 Method for transmission and storage of wind energy |
| 10/03/2013 | US20130257157 Apparatus and method for soalr compatible green power supply |
| 10/02/2013 | EP2645530A1 Method for controlling a wind farm, wind farm controller, wind farm, computer-readable medium and program element |
| 10/02/2013 | EP2645529A1 Circuit assembly and method for testing a light emitting diode branch of a circuit assembly |
| 10/02/2013 | CN203225584U Power supply system for power plant server |
| 10/02/2013 | CN203225583U Power supply apparatus for blast furnace |
| 10/02/2013 | CN203225582U Mining flame-proof and intrinsically safe high capacity uninterrupted power source |
| 10/02/2013 | CN203225581U Grid-connected photovoltaic power generation automatic switching apparatus for increasing self-consumed electric power and minimizing power grid surge |
| 10/02/2013 | CN203225580U Automatic changeover switch device having microsecond changeover time |
| 10/02/2013 | CN203225579U Switching device for automatic switchover of power supplies |
| 10/02/2013 | CN203225578U A power transmission line induction energy acquiring power supply apparatus with a high redundancy feature |
| 10/02/2013 | CN203225577U Emergency indication power source |
| 10/02/2013 | CN203225576U Double-channel initiating explosive device igniting circuit |
| 10/02/2013 | CN203225520U Wiring network of medium-voltage power distribution network |
| 10/02/2013 | CN103340016A Apparatus, method, and system for event and backup lighting |
| 10/02/2013 | CN103337903A Three-incoming-line and two-bus-coupler power supply system |
| 10/02/2013 | CN103337902A AC/DC (Alternating Current/Direct Current) integration power supply |
| 10/02/2013 | CN103337901A Uninterruptible power supplying method and uninterruptible power supply |
| 10/02/2013 | CN103337900A Off-grid wind power supply system based on gird power complementation |
| 10/02/2013 | CN103337899A Remote control type emergency power supply device for lighting |
| 10/02/2013 | CN103337892A Independent dormancy awakening control system of satellite power source |
| 10/02/2013 | CN103335453A Large environment-friendly integrated heat pump system |
| 09/26/2013 | WO2013141496A1 Make before break power supply system |
| 09/26/2013 | WO2013139773A2 Lamp unit power supply system |
| 09/26/2013 | WO2013139009A1 Remote control-type emergency lamp |
| 09/26/2013 | WO2013139008A1 Remote control lamp drive circuit and system |
| 09/26/2013 | WO2013043811A3 Uninterruptible power supply systems and methods employing on-demand energy storage |
| 09/26/2013 | WO2013022632A3 Intelligent arbitration of power line based coordinating signals between multiple ups buses without any auxiliary signals |
| 09/25/2013 | EP2641541A1 Mobile x-ray apparatus |
| 09/25/2013 | EP2640656A1 Backup circuit for electricity supply, elevator system, and method |
| 09/25/2013 | CN203219293U Building intercom device based on solar power supply |
| 09/25/2013 | CN203218973U Secure inlet wire control circuit for working power supply |
| 09/25/2013 | CN203218972U UPS (uninterruptible power supply) system using air energy storage |
| 09/25/2013 | CN203218971U Automatic electricity getting light adjusting membrane control system |
| 09/25/2013 | CN203218970U Photovoltaic auxiliary mains supply LED lighting device for underground space |
| 09/25/2013 | CN203218969U Uninterrupted power supply (UPS) circuit for vehicle inverter and commercial power |
| 09/25/2013 | CN203218968U 220kV spare power automatic switching system |
| 09/25/2013 | CN203218967U Mining encapsulation and intrinsic safe DC stabilized power supply |
| 09/25/2013 | CN203218966U Liquid crystal-interface separate on-off controller |
| 09/25/2013 | CN203218965U Solar energy and commercial power complementary lighting system |
| 09/25/2013 | CN203218964U New energy streetlamp system with commercial power complementary |
| 09/25/2013 | CN203218963U Distributed power system for illumination power supply |
| 09/25/2013 | CN203218962U A household back-up power source |
| 09/25/2013 | CN203218961U Low voltage DC power pack power strip backup apparatus for communication device group |
| 09/25/2013 | CN203217771U Solar-energy intelligent LED traffic induction screen |
| 09/25/2013 | CN103329396A Power supply system for an electrical drive of a marine vessel |
| 09/25/2013 | CN103326949A Router with power-off protection function |
| 09/25/2013 | CN103326459A Low-voltage direct-current power supply switchover circuit and direct-current power supply |
| 09/25/2013 | CN103326458A Power supply switching circuit of external power supply and power supply by battery and switching method |
| 09/25/2013 | CN103326457A Control method and control device based on gas-steam integral unit security segment interlock automatic switch |
| 09/25/2013 | CN103326456A Standby power system of handheld electronic device and method for supplying standby power |
| 09/25/2013 | CN103326455A Fuel cells for industrial plant backup power using stolen hydrogen |
| 09/25/2013 | CN103326454A Mobile low-voltage line comprehensive compensation system |
| 09/25/2013 | CN103326433A Power supply control circuit for portable device and portable monitor |
| 09/25/2013 | CN103326419A Solar electricity-taking combined energy-storage uninterruptible power supply device |
| 09/25/2013 | CN103326389A Power prediction based micro-grid energy storage system and capacity configuration method |
| 09/25/2013 | CN103326388A Power prediction based micro-grid energy storage system and capacity configuration method |
| 09/25/2013 | CN102625542B Centralized power supply comprehensive intelligent control system supplying power for outdoor lighting system |
| 09/25/2013 | CN102368630B Seamless and circulation-less switching system for two groups of DC (direct current) power supplies |
| 09/25/2013 | CN102368612B Triple-double wiring way of medium-voltage electric distribution network |
| 09/25/2013 | CN102255379B Mining explosion-proof dual-power switching power box |
| 09/25/2013 | CN102007666B Emergency power supply device for a hybrid vehicle |
| 09/25/2013 | CN101779357B Input and output power modules configured to provide selective power to an uninterruptible power supply |