Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
03/2014
03/26/2014CN102004538B 笔记本电脑电源供应电路 Laptop power supply circuit
03/25/2014CA2734699C Power conversion apparatus
03/20/2014WO2014042224A1 Power supply system, charging control method and charging control program
03/20/2014WO2014041949A1 Liquid crystal display device
03/20/2014WO2014041524A2 Static transfer switch off detection and transfer management
03/20/2014WO2014041523A2 Uninterruptible power supply system with fast transfer for undervoltage source line failures
03/20/2014WO2014041390A1 A system and method for voltage regulation in a voltage supply
03/20/2014WO2014040339A1 Intelligent control device for electric power system and implementation method therefor
03/20/2014WO2014040336A1 No-delay synchronous switching circuit and method for backup-type uninterruptible power system
03/20/2014WO2013159842A3 A drive arrangement
03/20/2014WO2013071933A3 Matching energy consumption of an electric transformer with energy needed by a linear actuator system
03/20/2014US20140080406 Renewable uninterrupted power supply for critical node infrastructure support
03/20/2014US20140077751 Modular electrical energy production device
03/20/2014US20140077604 Power supply system and power supply controller
03/20/2014US20140077603 Power supply apparatus with power backup mechanism
03/20/2014US20140077602 Power supply system and method for controlling the same
03/20/2014CA2821352A1 An emergency power supply starting system for a lithium battery with automatic preheating function
03/19/2014EP2708632A1 Laundry treating apparatus
03/19/2014CN203491783U Self-powered system of ring main unit
03/19/2014CN203491782U Supply device of stand-by power supply
03/19/2014CN203491781U Automatic conversion circuit for two power supplies
03/19/2014CN203491780U Power supply circuit of IC card intelligent water meter
03/19/2014CN203491779U Fully digital UPS circuit based on MR16 single-chip microcomputer
03/19/2014CN203491778U Alternating voltage automatic switching circuit of integrated power supply circuit
03/19/2014CN203491777U Fast switching circuit of integrated power supply UPS
03/19/2014CN203491776U Alternating current/direct current uninterrupted inversion circuit of integrated power supply UPS
03/19/2014CN203491775U Quick parallel machine integrated circuit of integrated power supply UPS
03/19/2014CN203491774U Double power supply backup automatic switching apparatus
03/19/2014CN203491773U Emergency power supply device with independent safety voltage
03/19/2014CN203491772U Power type emergency power supply with automatic conversion function of main motor and spare motor
03/19/2014CN203491771U Control system based on safety power supply
03/19/2014CN203491770U Zero voltage difference switching circuit for switching power supply to battery power supply
03/19/2014CN203491725U Novel high-reliability UPS
03/19/2014CN203491696U Unmanned helicopter power supply system
03/19/2014CN103650278A Electromotive drive for furniture, comprising a power supply device
03/19/2014CN103647344A An oil engine interlock apparatus, a power supply device, and a method for supplying power for a square cabin device
03/19/2014CN103647343A Improvement method for spare power automatic switching operating mode of internal bridging line transformer substation
03/19/2014CN103647342A Novel uninterrupted power supply method and uninterrupted power source system
03/19/2014CN103647341A Uninterrupted power supply method and uninterrupted power source system
03/19/2014CN103647340A Uninterruptible power supply device for mining electronic equipment
03/19/2014CN103647339A Power supply device with multiple power sources in parallel connection
03/19/2014CN103647338A Emergency power guaranteeing system and emergency power supply method using same
03/19/2014CN103647280A Intelligent two-circuit feeding connection controller and control method
03/19/2014CN102386673B Uninterruptible power system suitable for audio and video equipment and power supply management method thereof
03/19/2014CN102340171B Transformer substation spare power automatic switching system with default-phase protection function and working method thereof
03/19/2014CN102324782B Novel standby power automatic switching method suitable for through-type power supply traction substation
03/19/2014CN102279993B Electric controller power supply alarm system
03/19/2014CN101996788B Transfer device for automatic transfer switch
03/18/2014CA2580470C Battery backed service indicator aids for field maintenance
03/17/2014CA2826932A1 Power distribution systems
03/14/2014DE202012104850U1 Anordnung zum Betreiben von Lichtquellen Arrangement for operating light sources
03/13/2014WO2014039118A1 Method and device with enhanced battery capacity savings
03/13/2014WO2014038104A1 Led illumination device and method for controlling lighting thereof
03/13/2014WO2014038020A1 Station building power supply device
03/13/2014US20140070616 Power conversion output architecture
03/13/2014US20140070610 Centralized management of the supply of power to a plurality of local power networks
03/13/2014US20140070609 Radio unit with a power circuit for voltage supply and method for operating such a radio unit
03/13/2014DE102012017803A1 Notstromversorgungseinrichtung Emergency power supply device
03/12/2014EP2706647A2 Power supply device
03/12/2014EP2706624A1 Plug connector of an uninterruptible power supply and UPS connector arrangement
03/12/2014EP2705586A1 Electromotive drive for furniture, comprising a power supply device
03/12/2014CN203481915U Integrated magnetic suspension flywheel uninterrupted power supply vehicle
03/12/2014CN203481914U Novel dual power without need of connecting signal line
03/12/2014CN203481913U Medium-voltage 12-kV complete equipment with dual-power supply intelligent switching function
03/12/2014CN203481912U General remote spare power automatic switching system
03/12/2014CN203481911U Power supply switching device
03/12/2014CN203481910U Emergency power supply device for electric steel-grabbing machine
03/12/2014CN203481907U Multi-power input and security monitoring controller
03/12/2014CN203481883U Transformer station DC power system
03/12/2014CN103633858A Power generator set, power generation system and rectifying method in power generation process
03/12/2014CN103633825A Double-input power source and corresponding network device
03/12/2014CN103633744A Power supply
03/12/2014CN103633732A Capacitance-type short-time power supply device and method for a single chip microprocessor
03/12/2014CN103633731A Modern agricultural comprehensive prevention and control unit
03/12/2014CN103633730A Standby power supply automatic input system and method with inter-tripped loads
03/12/2014CN103633729A Distribution system for machine room of data center
03/12/2014CN103633728A AC redundant power supply system
03/12/2014CN103629814A Hybrid electric water heater
03/12/2014CN102735346B Refrigeration thermal infrared imager and power supply management method thereof
03/12/2014CN102545376B Spare power automatic switching system for 220 KV line faults
03/12/2014CN102368632B Dual-power switching system
03/12/2014CN102324781B Power supply quick switching control system and switching method thereof
03/12/2014CN102130491B 电源供应系统及便携式电子装置 The power supply system and the portable electronic device
03/12/2014CN102118057B DC UPS circuit with integrated charge-discharge circuit
03/12/2014CN102097779B Anti-interference electricity intelligent control device
03/11/2014US8670872 Methods and apparatus for providing and distributing standby power
03/06/2014WO2014035001A1 Power management method and system
03/06/2014WO2014033862A1 Station building power supply device and method for controlling same
03/06/2014WO2014032145A1 Modular mobile microthermoelectric plant and electric energy generation process
03/06/2014WO2014015211A3 Apparatus and methods for backfeed detection in and control of uninterruptible power systems
03/06/2014US20140063752 System and method of power control for a high-availability system
03/06/2014US20140062203 Power supply device
03/06/2014US20140062202 Power control device and power control method
03/06/2014US20140062201 Systems and methods for detecting power quality of uninterrupible power supplies
03/06/2014US20140062200 Capacitive power system having a service life extending approach
03/06/2014DE102013215564A1 Single-phase power source circuit e.g. transistor emitter circuit, for automatic switching device in e.g. hospital, has gate circuit controlling main- and reserve relays such that main relays are closed and reserve relays are opened at time
03/05/2014CN203466624U Uninterrupted power supply van for magnetic suspension flywheel energy storage
03/05/2014CN203466623U Power-off reset device structure of electro-motor driver
03/05/2014CN203466622U Dual power double channel automatic switching device for decomposer mixer motor
03/05/2014CN203466621U Dual-power mutual-throw self-reset automatic-switching device
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