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)
05/2010
05/05/2010CN201450361U Two-incoming-line standby automatic switching device operated by one transformer
05/05/2010CN201450360U Pressure swing absorption stand-by power supply
05/05/2010CN201450291U Intelligent integrated AC distribution box
05/05/2010CN201449591U Data storage back-up system
05/05/2010CN201448728U Full automatic intelligent emergency LED tube light
05/05/2010CN201448615U Led lamp of power redundant cold backup
05/05/2010CN1602572B Uninterruptive power source apparatus
05/05/2010CN101702536A Power-down control conversion circuit
05/05/2010CN101702535A Power supply device and method
05/05/2010CN101702534A Rod chain saw and double-power supply switching device for rod chain saw
05/05/2010CN101702533A Power supply method and equipment
04/2010
04/29/2010WO2010048153A2 Adaptive and modular ups system and method
04/29/2010WO2010046311A2 Energy supply unit
04/29/2010WO2010045836A1 A device and method for realizing power switch
04/29/2010WO2010000544A3 Circuit arrangement and control circuit for a power supply unit, computer power supply unit and method for switching a power supply unit
04/29/2010WO2009148277A9 Apparatus for minimizing standby power of switching-mode power supply
04/29/2010US20100102634 Uninterruptible power supply and method for selective tripping thereof
04/29/2010US20100102633 Connection between machines and power source
04/28/2010EP2180576A2 Power supply device and construction machine
04/28/2010EP2180571A2 Centralized energy management in distributed systems
04/28/2010EP2179502A2 Power supply unit for a home automation actuator and method of operation of said unit
04/28/2010EP2179485A1 Method and system for economical emergency activation of electrical devices
04/28/2010CN201444594U Electricity-saving device capable of automatically converting scattered electric energy and alternating current
04/28/2010CN201444593U casing capable of preventing deformation of high-power redundant power supply
04/28/2010CN201444189U Anomaly identification framework of redundant power supply system
04/28/2010CN201443814U Solar heating control system
04/28/2010CN101699749A Off-grid small-sized solar power plant system and control method thereof
04/28/2010CN101699703A Mechanical transmission mechanism of dual-power automatic switching device
04/28/2010CN101699702A Multi-mode working UPS
04/28/2010CN101699701A Circuit structure for isolating one-pole ground fault of branch power supply of main DC system
04/28/2010CN101699700A Method for preventing standby power auto-switching malfunction caused by load PT break under the condition of small load
04/28/2010CN101699699A Uninterruptible power supply
04/28/2010CN101699698A Uninterruptible power supply
04/28/2010CA2643684A1 A multi-battery system for high voltage applications with proportion power sharing
04/27/2010US7705489 Method and apparatus for providing uninterruptible power
04/27/2010US7705488 Apparatus, system, and method for a high voltage, high frequency redundant bus power system
04/27/2010US7705487 Power restoration system for electrical power network
04/22/2010WO2010044610A2 Private generator with automatic transform to fire-use only feature for fire and non-fire emergences
04/22/2010WO2010044164A1 Power converter
04/22/2010WO2010044037A2 Power control in a medical ventilator
04/22/2010WO2010043965A1 Power supply system
04/22/2010WO2010043923A1 An emergency power supply circuit for dimmable electronic ballasts and related method
04/22/2010WO2010022487A3 A device and method of monitoring and controlling the state of operation of electronic apparatuses
04/22/2010WO2009073510A3 Source-transfer switching system and method
04/22/2010US20100096928 Automatic start-up circuit and uninterruptible power supply apparatus having such automatic start-up circuit
04/22/2010US20100096927 Power generation system and operation method thereof
04/22/2010CA2740765A1 Power conversion device
04/21/2010EP2176937A2 Input and output power modules configured to provide selective power to an uninterruptible power supply
04/21/2010EP2176936A1 Power saving circuit
04/21/2010EP2176545A1 Method and apparatus for grid loss ride-through for wind turbine pitch control system
04/21/2010EP1735890B1 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type
04/21/2010CN201440618U High-voltage dual-power switch
04/21/2010CN201440302U Wireless vehicle detector
04/21/2010CN201440058U Duty bullet safety device based on optical fiber transmission
04/21/2010CN1768130B Culture treating device and automatic culture treating device
04/21/2010CN1449641B Rechargeable lamp system
04/21/2010CN101697428A Dynamic switching control device for uninterruptible power supply system to add impulsive load suddenly
04/21/2010CN101295885B 冗余电源供应系统 Redundant power supply system
04/21/2010CN101075751B Power supply device, method thereof, and image forming device
04/20/2010US7701739 Portable device having integral voltage connector
04/20/2010US7701089 Power supply circuit
04/20/2010US7701087 Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system
04/15/2010WO2010041085A1 Automatic switching apparatus.
04/15/2010WO2010040634A1 An emergency ballast system
04/15/2010US20100093427 Gaming machine power fail enhancement
04/15/2010US20100090534 Self-stopping electrical appliance
04/15/2010DE102008005821B4 Brandmelder Fire alarm
04/14/2010EP2174400A1 Adjustable battery charger for ups
04/14/2010EP2174399A2 Power systems and methods using an uninterruptible power supply to transition to generator-powered operation
04/14/2010EP2174398A2 Power supply for a data center
04/14/2010CN201438645U Standby-power automatic switching device for digital transformer station
04/13/2010US7696642 Cogeneration system
04/08/2010WO2010038152A1 Emergency power supply apparatus
04/08/2010WO2010037524A2 Method and arrangement for operating an electronic system
04/08/2010WO2010003785A3 Power supply unit having a voltage converter
04/08/2010WO2010002743A3 Uninterruptible power supplies, solar power kits for uninterruptible power supplies and related methods
04/08/2010WO2009120320A3 Generator ready load center
04/08/2010US20100084920 Power Line Energy Harvesting Power Supply
04/08/2010US20100084919 Replacement system of distribution transformers and low-voltage power line without outage
04/08/2010CA2771838A1 Emergency power supply apparatus
04/07/2010EP2171826A2 Method and parameterisable device for distributing and managing power
04/07/2010CN201436762U Electric power special UPS satisfying MODBUS protocol
04/07/2010CN101692584A Double-power supply double-temperature control piscicultural device of tropical ornamental fish
04/06/2010US7692333 Adjustable speed drive system for primary loop recirculation pump
04/06/2010US7692332 Transfer switch
04/01/2010WO2010034906A2 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
04/01/2010US20100079003 Airborne power system disconnect system and method
04/01/2010CA2738051A1 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
04/01/2010CA2679828A1 Uninterruptible power supply with total isolation
03/2010
03/31/2010EP2169798A2 Self Powered Electronic Overload Method and System
03/31/2010EP2168224A2 Method and apparatus for connection of a generator, which is driven by a diesel engine, to an electrical power supply system
03/31/2010CN201435619Y Automatic transfer switch for triple power supplies
03/31/2010CN201435618Y An online switch control unit between power frequency supply and variable frequency power supply
03/31/2010CN201435617Y Movable standby power source
03/31/2010CN201435616Y Auxiliary power supply device
03/31/2010CN201435321Y Double power supply manual operation interlocking device
03/31/2010CN201435320Y Automatic changeover switch
03/31/2010CN201434315Y Voice fire-fighting emergency evacuation lighting system
03/31/2010CN101689825A Method for operating a wind energy system in case of overvoltage in the grid
03/31/2010CN101689816A Method for pulse width modulation synchronization in a parallel ups system
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