Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
11/2009
11/19/2009US20090284072 Method and system for selective electrical backup to a multi-tenant location
11/18/2009EP2118986A2 Method and apparatus for conserving battery power
11/18/2009EP2117622A2 Dialysis system with efficient battery back-up
11/18/2009CN201349144Y Automatic input device of standby power supply
11/18/2009CN201349143Y Standby power source control circuit
11/18/2009CN201349134Y Gapless automatic switching system of generator group back-up power
11/18/2009CN101584108A Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions
11/18/2009CN101582596A 110V direct current power supply reconnection system for diesel locomotive
11/18/2009CN101581429A LED fire emergency lamp
11/18/2009CN100560469C Container gantry crane with bidirectional power supply
11/17/2009US7619324 Power system with multiple generator sets
11/12/2009WO2009135736A1 Circuitry for feeding a drive machine having a plurality of winding systems
11/12/2009US20090278407 Method and system for discovering a power source on a peripheral bus
11/12/2009US20090278406 Portable Power Supply
11/11/2009EP2115849A1 Portable power supply
11/11/2009CN201345563Y High-voltage double-power automatic transfer device
11/11/2009CN201345562Y Output framework of redundant electric power system
11/11/2009CN201345561Y Conversion framework of redundant electric power system
11/11/2009CN201345560Y Synchronous output competition control circuit
11/11/2009CN101577038A Power overhead network antitheft alarm
11/10/2009US7616432 Electrical distribution panel for a number of critical and non-critical loads
11/10/2009US7615892 Modular and scalable power conversion system for aircraft
11/10/2009US7615890 Methods and apparatus for providing uninterruptible power
11/10/2009US7615888 Multiple generator loadcenter and method of distributing power from multiple generators
11/05/2009WO2009134115A2 Uninterrupted battery operated generator
11/05/2009WO2009133494A1 Switching off an ac electrical appliance when local power supply generator is used
11/05/2009WO2009132715A2 Arrangement relating power backup and method for power backup
11/05/2009US20090276643 Storage power supply system, storage device, and control thereof
11/05/2009US20090273240 Uninterruptible fuel cell system
11/05/2009DE202008008165U1 Betriebsgerät für Gasentladungslampen oder andere Leuchtmittel mit Lampenstrommessung Operating device for gas discharge lamps or other light sources with lamp current measurement
11/04/2009CN201341039Y Safe pad lock device of automatic transfer switch electrical appliance
11/04/2009CN201341038Y Multifunctional two-power-supply switching device
11/04/2009CN201341037Y Emergency plug board
11/03/2009US7612468 Uninterruptible power supply device with circuit for degradation judgment of storage battery
11/03/2009US7612467 Power device and power device power supply method
10/2009
10/29/2009WO2009129958A1 Emergency power supply system comprising a fuel cell
10/29/2009US20090268491 Power converter with retractable cable system
10/29/2009US20090267418 Switch power supply and electronic device having same
10/29/2009US20090267417 Multi-input power converter and uninterruptible power supply having the same
10/29/2009DE102008020356A1 Notstromversorgungsanlage mit Brennstoffzelle Emergency power supply system with fuel cell
10/28/2009CN101567580A Dual-power supply automatic transfer switch
10/28/2009CN101567564A Voltage and power regulator based on the composite energy storage of storage battery and super capacitor
10/28/2009CN100555832C Power conversion apparatus and methods using DC bus shifting
10/27/2009US7610501 Arrangement for the power supply for a security domain of a device
10/27/2009US7609031 Method for balancing lithium secondary cells and modules
10/27/2009US7608947 Back-up power supply systems
10/27/2009US7608946 Boosting circuit and integrated circuit having the same
10/27/2009US7608944 Battery connect/disconnect for an uninterruptible power supply
10/27/2009US7608943 Power supply adapter and power supply system
10/22/2009WO2009127451A2 Emergency power supply device for a hybrid vehicle
10/22/2009WO2009099870A9 A power supply system for electrical/electronic equipment
10/22/2009CA2717364A1 System and methods to extend the service life of portable devices
10/21/2009EP2110924A2 System and method for managing power supply to a circuit breaker control unit
10/21/2009EP2110310A2 Method for operating a ship drive system with waste heat reclamation and ship drive system with waste heat recuperation
10/21/2009EP2109929A2 Uninterruptable power supply
10/21/2009CN201332297Y Automatic switchover device for alternating double power supply
10/21/2009CN201332296Y Standby power system for communication
10/21/2009CN101563830A Current sensor apparatus and method for uninterruptible power supply
10/21/2009CN101563829A Data center uninterruptible power distribution architecture
10/21/2009CN101563828A Power supply system, power supply control method of power supply system, power supply control program of power supply system, and computer readable recording medium having power supply control program
10/21/2009CN101562353A On-line mutual switching control device of fundamental frequency power supply and variable frequency power supply
10/21/2009CN101562352A Monitor for train radiating blower unit
10/21/2009CN101562095A Intelligent controller
10/20/2009US7606575 Remote radio data communication system with data rate switching
10/20/2009US7603874 Split power input to chiller
10/15/2009WO2009126448A1 Hot-swappable battery retrofit module
10/15/2009WO2009126405A2 Ac and dc uninterruptible online power supplies
10/15/2009WO2009126029A1 Control system and switching device for at least one electrical load
10/15/2009WO2009100295A3 Backup power system and method
10/15/2009WO2009068200A3 Method for producing thermoplastic films
10/15/2009WO2009046202A3 Method and apparatus for conserving energy stored in bypass capacitors during dynamic power collapse
10/15/2009US20090256422 Ac and dc uninterruptible online power supplies
10/14/2009CN201328024Y Effective stroke adjusting device for actuating mechanism of duplicate-supply automatic switching device
10/14/2009CN201328023Y Back-up power for electric pitch system of wind turbine
10/14/2009CN201328022Y Automatic switching multifunctional electric switch box
10/14/2009CN101556465A Intelligent electrical controller
10/14/2009CN100550572C Stable power supply system, operation method thereof, and stable power supply operation procedure
10/13/2009US7602082 Backup time endorsed power supply apparatus
10/08/2009WO2009123834A1 Non-isolated charger with bi-polar inputs
10/08/2009WO2009123741A1 Apparatus, system and method for a ups
10/08/2009US20090251005 Undervoltage transfer detection
10/08/2009US20090251002 Apparatus, system and method for a ups
10/08/2009CA2725411A1 Apparatus, system and method for a ups
10/08/2009CA2719867A1 Non-isolated charger with bi-polar inputs
10/07/2009EP2107676A1 Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions
10/07/2009EP2107663A1 Power source system, power supply control method for the power source system, power supply control program for the power source system, and computer-readable recording medium with recorded power supply control program
10/07/2009CN201323469Y Intelligent multi-power supply switch
10/07/2009CN201323468Y A control signal switching device for a duplicate-power control cabinet of a motor
10/07/2009CN101552543A Multi-path input alternating/direct current hybrid power supply
10/07/2009CN101552489A Method for controlling automatic operation of standby power by microcomputer of inner bridge and single bus connection
10/07/2009CN101552488A Standby power system and power supply method thereof
10/07/2009CN101552487A Uninterrupted power supply for battery pack vulcanization prevention and online capacity measurement
10/06/2009US7599171 Electrical distribution panel including first non-critical load bus and second critical load bus
10/06/2009US7598628 Automated bypass method and apparatus
10/06/2009US7598627 Switch-mode power supply
10/01/2009WO2009120608A1 Reduction of power consumption in remote control electronics
10/01/2009WO2009120320A2 Generator ready load center
10/01/2009WO2009069092A3 Arrangement and approach for coupling power supplies using controlled switching techniques
10/01/2009CA2714982A1 Reduction of power consumption in remote control electronics
09/2009
09/30/2009EP2106010A1 Power plant and method for controlling said plant
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