Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
12/2012
12/26/2012CN102842950A Alternating current and direct current power supply switching device
12/26/2012CN102842949A System and method for selected tripping control of loop closing protection
12/26/2012CN102842948A 移动终端 The mobile terminal
12/26/2012CN102842947A Emergency lighting LED (Light Emitting Diode) lamp for bath and lavatory
12/26/2012CN101976955B Variable-pitch servo driver with function of energy storage
12/26/2012CN101867222B Switching circuit of battery power supply, USB power supply and DC power supply
12/26/2012CN101689816B Method for pulse width modulation synchronization in a parallel ups system
12/25/2012US8338984 Uninterruptible power supply supporting active loads
12/20/2012WO2012173348A2 Power supply system having an emergency power supply cutoff function
12/20/2012WO2012172567A1 Intelligent appliances
12/20/2012WO2012116063A3 Service access point for a uninterruptible power supply
12/20/2012WO2012060958A3 System and method for bidirectional dc-ac power conversion
12/20/2012WO2012059368A3 Pitch motor drive circuit which can operate in emergency mode
12/20/2012WO2011147662A3 Method for supplying an electric domestic appliance from a low voltage supply network and a domestic appliance suitable for carrying out said method
12/20/2012US20120322431 Apparatus and method for replacing a battery in a portable terminal
12/20/2012US20120319486 Battery backup system and associated method
12/20/2012US20120319485 Transfer switch with arc suppression
12/20/2012US20120319477 Lighting system
12/20/2012US20120319475 Connection base and electric power integration apparatus having the same
12/19/2012EP2536109A2 Communication device with battery management
12/19/2012CN202616871U Zero second switching protection device of storage battery
12/19/2012CN202616870U Elevator emergency power supply apparatus based on super capacitor
12/19/2012CN202616869U Hand-held data instrument power supply device
12/19/2012CN202616868U Intelligent power supply redundancy module
12/19/2012CN202616867U Cutting device for asymmetric running state of supply transformer
12/19/2012CN202616866U Cutting device for asymmetric running state of supply transformer
12/19/2012CN202616865U Cutting device for asymmetric running state of supply transformer
12/19/2012CN202616864U Extension power supply circuit of train auxiliary power source
12/19/2012CN202616863U Subminiature UPS (Uninterrupted Power Supply) device ensuring information transmission after power failure of negative control terminal
12/19/2012CN202616862U Emergency power supply integrated monitoring system
12/19/2012CN202616861U Dual power supply circuit for overall control part of high-voltage frequency converter
12/19/2012CN202616860U Solar energy and mains supply complementation power supply control system
12/19/2012CN202616822U A power supplying and energy storing device applied to electronic equipment
12/19/2012CN202616809U Battery module, battery system and direct current screen power supply system
12/19/2012CN202616803U Hybrid current-inversion-type power generation system using wind, light and superconducting magnetic energy storage
12/19/2012CN102832701A Solar intelligent household power supply system
12/19/2012CN102832700A Power supply device with multi-power input and power supply method thereof
12/19/2012CN102832699A Power supply array
12/19/2012CN102832698A Novel software phaselock technique applicable to micro-grid master-slave control
12/19/2012CN102832697A System and method for realizing automatic failure compensation for power battery
12/19/2012CN102832696A High voltage power supply rapid switching system based on power electronic switch and control method of system
12/19/2012CN102832695A Device for replacing communication standby batteries
12/19/2012CN102832694A Auxiliary power supply of high-power UPS (uninterrupted power supply)
12/19/2012CN102832693A Double-power automatic transfer switch device of one-way direct current power distribution grid
12/19/2012CN102832692A Intelligent electrical power distribution system
12/19/2012CN102832691A Power supply switching device and method
12/19/2012CN102832690A Manual standby power switching device for prolonging travel mileage of electrombile
12/19/2012CN102832689A Emergency power supply capable of indicating undervoltage of storage battery
12/19/2012CN102832688A Uninterruptible power supply
12/19/2012CN102832671A Online discharge device of storage battery
12/19/2012CN102832611A Parallel-form power quality conditioner for direct current power system
12/19/2012CN102828906A Alternating current variable pitch control system
12/19/2012CN102828905A Safe and reliable alternating-current variable-pitch control system
12/19/2012CN101917011B Power quality comprehensive control method and device for electric railway traction power supply system
12/19/2012CN101800443B Electric power on-site monitoring equipment
12/13/2012WO2012169046A1 Uninterruptible power supply system
12/13/2012WO2012169045A1 Uninterruptible power supply system
12/13/2012WO2012103152A3 Harmonic mitigation devices and applications thereof
12/13/2012WO2012098106A3 Sun protection, closure or blackout apparatus comprising a back-up power supply unit for an actuator and method for controlling such an apparatus
12/13/2012US20120313438 Uninterruptible power supply
12/13/2012US20120313437 Data center battery enhancement method and system
12/13/2012DE112010004913T5 Auswählen einer einzigen WS-Quelle für ein Schaltnetzteil Selecting a single WS-source for a switching power supply
12/13/2012DE102011077073A1 Notfallsystem für Stromausfälle Emergency system for power outages
12/12/2012EP2533391A2 Multi-source management system of electrical generators
12/12/2012CN202602724U Novel double-cell mobile phone
12/12/2012CN202602363U Power supply apparatus combining solar energy and CT
12/12/2012CN202602362U Smart double-backup energy saving power supply
12/12/2012CN202602361U Modified structure of special dual power switching device for generator
12/12/2012CN202602360U Double-power-supply automatic switching control system for mine
12/12/2012CN202602359U Power supply connection device for middle-sized peak-shaving hydropower station
12/12/2012CN202602358U Special-purpose fire-fighting emergency power supply
12/12/2012CN202602357U Isolation type double-power automatic switch
12/12/2012CN202602356U A power supply switching device with double DC inputs
12/12/2012CN202602355U Wireless field device used for controlling or monitoring industrial processes, industrial process equipment or industrial process factories
12/12/2012CN202602354U Bridge type current switching device
12/12/2012CN202602353U Power supply switching device for primary hook motor and secondary hook motor of crown block
12/12/2012CN202600918U Alarm with electro-storing and electro-discharging function
12/12/2012CN202600722U Handheld verification instrument of second-generation identity cards
12/12/2012CN202599447U Dam measuring and reporting instrument with wind-light complementary power generation system for power supply
12/12/2012CN102820701A Automatic standby power supply converter capable of extending driving distance of electromobile
12/12/2012CN102820700A Generator alternating current continuous voyage emergency power supply
12/12/2012CN102820699A Intelligent digital static switch
12/12/2012CN102820698A Automatic double-circuit power supply controlling system for ventilating fan of air-conditioned bus
12/12/2012CN102820697A DSP (digital signal processor) based control system of uninterrupted power supply
12/12/2012CN102820696A Temperature control equipment and cabinet of communication equipment
12/12/2012CN102820688A Automobile power system
12/12/2012CN102819945A Double type remote controller
12/12/2012CN102818342A Electric power storage air-conditioner
12/12/2012CN102815611A Crane power supply apparatus
12/12/2012CN102223018B UPS communication generating and refrigerating set
12/12/2012CN102074953B Double-purpose micro-grid system structure used for power supply and experiment
12/12/2012CN102040133B Elevator power supply device
12/12/2012CN102016454B Uninterruptible cooling system and apparatus
12/12/2012CN101917056B 220kV bus switch spare automatic switching method of 550kV station
12/12/2012CN101783252B Automatic transfer switching electric appliance and method for judging and treating failure thereof
12/11/2012US8330295 Uninterruptible power supply and method for selective tripping thereof
12/06/2012WO2012166109A1 Waking an electronic device
12/06/2012WO2012165986A2 "energy management equipment"
12/06/2012WO2012165779A2 Uninterruptible power system for electricity facilities of a large building
12/06/2012WO2012165365A1 Power supply system
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