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