Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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02/13/2013 | CN101964539B Relay protection device of variable pitch blade system of wind driven generator |
02/12/2013 | US8373306 Adaptive and modular UPS system and method |
02/08/2013 | DE202013000055U1 Netzteil mit der Möglichkeit zur Erhöhung der Lebensdauer eines Batteriemoduls Power supply with the possibility of increasing the lifetime of a battery module |
02/07/2013 | WO2013019929A1 Ups mechanical transfer relay arc mitigation |
02/07/2013 | WO2013019659A1 Security system and method |
02/07/2013 | WO2013019549A1 Non-isolated ac-dc converter having a positive output buck-boost converter and pfc at input supply |
02/07/2013 | WO2013018601A1 Storage battery system |
02/07/2013 | US20130033235 Power supply apparatus, control method, and recording medium |
02/07/2013 | US20130033110 Power supply circuit with low-voltage control and producing method thereof |
02/07/2013 | US20130033109 Ups mechanical transfer relay arc mitigation |
02/07/2013 | DE102011109090A1 Notbeleuchtungssystem und Verfahren für dessen Versorgung Emergency lighting system and method for its supply |
02/07/2013 | CA2843272A1 Security system and method |
02/06/2013 | EP2555374A1 Backup power supply device and power output method |
02/06/2013 | CN202721495U Alternating-current and direct-current integrated uninterruptible power supply |
02/06/2013 | CN202721493U Integration UPS module |
02/06/2013 | CN202721492U Solar cell redundancy control device |
02/06/2013 | CN202721491U Intelligent double direct current power supply seamless automatic switching device |
02/06/2013 | CN202721490U Power supply of electronic device for being loaded into support, electronic device and system thereof |
02/06/2013 | CN202721485U Complementary solar energy and wind energy charge-discharge control device |
02/06/2013 | CN202721466U Scenery complementary new energy automobile charging station |
02/06/2013 | CN202721457U Supermarket power supply system based on solar energy |
02/06/2013 | CN202719723U Electric power storage air conditioner |
02/06/2013 | CN102918747A Rack-based uninterruptible power supply |
02/06/2013 | CN102916817A Power supply control circuit and modular equipment of data center manageability interface (DCMI) |
02/06/2013 | CN102916613A Movable integral wind, solar and fuel hybrid power supply device |
02/06/2013 | CN102916487A System and method for realizing low-frequency self-starting of unit |
02/06/2013 | CN102916486A Control method for diesel and stored energy coordination of intelligent micro-grid |
02/06/2013 | CN102916485A Power supply switcher |
02/06/2013 | CN102916484A Distributed integral power supply system based on protocol IEC 61850 |
02/06/2013 | CN102916483A UPS (Uninterruptible Power Supply) connecting device |
02/06/2013 | CN102916482A Low-voltage switching circuit |
02/06/2013 | CN102916453A Energy management control system |
02/06/2013 | CN102163872B Method and apparatus for providing uninterruptible power |
02/06/2013 | CN102094839B Fan system and stopping control circuit thereof |
02/05/2013 | US8368249 Power supply unit provided with AC/DC input voltage detection and power supply system incorporating same |
01/31/2013 | WO2013016537A2 Dual boost converter for ups system |
01/31/2013 | WO2013016535A2 Single-battery power topologies for online ups systems |
01/31/2013 | WO2013015374A1 Power supply system, distribution device, and power control device |
01/31/2013 | WO2013015097A1 Electricity storage system and system interconnection system using same |
01/31/2013 | US20130026836 Non-isolated ac-dc converter having a positive output buck-boost converter and pfc at input supply |
01/31/2013 | US20130026835 Single-battery power topologies for online ups systems |
01/31/2013 | US20130026834 Power conversion device |
01/31/2013 | US20130026822 Energy Storage System and Related Method |
01/30/2013 | EP2552004A2 Power supply system with low power standby supply for control unit |
01/30/2013 | EP2550451A2 Pitch drive device capable of emergency operation for a wind or water power plant |
01/30/2013 | CN202713685U Intelligent solar energy and wind energy complementary LED (Light Emitting Diode) square lamp |
01/30/2013 | CN202712971U 光站供电电路 Light Station power supply circuit |
01/30/2013 | CN202712970U Device used for replacing communication standby battery |
01/30/2013 | CN202712969U Aquarium emergency system |
01/30/2013 | CN202712968U Intelligent digital static switch |
01/30/2013 | CN202712967U BC oil wind cooler fault detection apparatus |
01/30/2013 | CN202712966U Novel digital EPS (emergency power supply) fire-fighting emergency power supply system |
01/30/2013 | CN202712965U Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery |
01/30/2013 | CN202712964U Novel digital intelligent EPS fire emergency power supply system |
01/30/2013 | CN202712963U Control device for low-voltage power distribution power source switching |
01/30/2013 | CN202712962U Mining DC regulated power supply |
01/30/2013 | CN202712961U Server cabinet and data center with same |
01/30/2013 | CN202712960U Transformer station segmented spare power source automatic switching system |
01/30/2013 | CN202712959U Spare power automatic switching device in 20kV and 10kV hybrid power supply region |
01/30/2013 | CN202712958U Emergency illumination system |
01/30/2013 | CN202712957U Power down maintenance circuit of direct current power supply |
01/30/2013 | CN202712908U Power generation and supply micro-grid system for renewable energy |
01/30/2013 | CN202711463U Double-type remote controller |
01/30/2013 | CN202704769U Soar elevator |
01/30/2013 | CN102906829A Ferroresonant transformer for use in uninterruptible power supplies |
01/30/2013 | CN102904464A Distribution network terminal passive power-obtaining system |
01/30/2013 | CN102904378A Generation device using pole repellence of magnet as power |
01/30/2013 | CN102904334A Matrix locking method of spare power automatic switching device |
01/30/2013 | CN102904333A Spare power automatic switching simulation method of power grid |
01/30/2013 | CN102904332A Backup battery managing and controlling method of monitoring circuit of repeater |
01/30/2013 | CN102904331A Wide area self-adaptation spare power automatic switching method based on synchronous phasor measurement |
01/30/2013 | CN102904330A Power supply unit for standby power auto-switching devices of transformer substations |
01/30/2013 | CN102904329A 电源管理电路 Power management circuits |
01/30/2013 | CN102904328A Laser redundant backup power supply |
01/30/2013 | CN102904327A Method for tracking output voltage of master direct-current power supply with complementary type solar controller |
01/30/2013 | CN102904221A Spare power automatic switching latching method and device for 10kv distribution room of intelligent substation |
01/30/2013 | CN102055235B Spare power automatic switching method for 220kV side circuit and bus of 220kV transformer station |
01/30/2013 | CN101888112B Power system provided with stand-by power |
01/30/2013 | CN101860072B Multi-power parallel-combination welding power supply |
01/29/2013 | US8362647 Uninterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source |
01/29/2013 | US8362638 Systems and methods for providing an uninterruptible power supply to a ship-service bus of a marine vessel |
01/29/2013 | CA2525660C Power system for a telecommunication facility |
01/24/2013 | WO2012165986A3 "energy management equipment" |
01/24/2013 | US20130020872 Power supply with dual asymmetrical inputs |
01/23/2013 | EP2549485A1 Emergency system |
01/23/2013 | EP2548286A2 Ac-to-dc conversion |
01/23/2013 | EP2548285A1 Cell site power system management, including battery circuit management |
01/23/2013 | CN202696979U LED (light-emitting diode) lamp street power supplying device utilizing various energy resources |
01/23/2013 | CN202696279U Circuit breaker controller with dual-power changeover function and dual-power switching system |
01/23/2013 | CN202696269U Alternating current endurance inverter having generator set |
01/23/2013 | CN202696268U Power plant desulfuration safety source control system |
01/23/2013 | CN202696267U Synchronous motor excitation automatic switchover system |
01/23/2013 | CN202696266U Solar power generation and automatic conversion device |
01/23/2013 | CN202696265U Circuit structure for realizing complete isolation between transformer secondary side and load center |
01/23/2013 | CN202696264U Direct current portal crane comprehensive control device |
01/23/2013 | CN202696263U Power-down holding circuit and master control apparatus |
01/23/2013 | CN202696262U Inversion emergency power supply |
01/23/2013 | CN202696261U Emergency lamp power supply device controlled by radio signals |
01/23/2013 | CN202696177U Controller for switching grid-connected photovoltaic power generation system and off-grid photovoltaic power generation system |
01/23/2013 | CN202692598U Photovoltaic driving refrigeration refrigerator |