Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
08/2012
08/09/2012US20120201102 Power supply for clock
08/09/2012US20120200162 Bi-Directional Grid-Tied Inverter with Series Capacitor for Regulating Voltage of DC Bus
08/09/2012US20120200161 System and method for providing redundant power to a device
08/09/2012US20120200157 Electronic apparatus, system and method of controlling electric power supply, and recording medium storing electric power supply control program
08/09/2012DE102011010348A1 Verfahren zum Stillsetzen einer Rollendruckmaschine A method of stopping a web press
08/09/2012CA2827709A1 Energy interface system
08/08/2012EP2485365A2 System and method for providing redundant power to a device
08/08/2012DE202012006589U1 Steuereinheit zum Betrieb von Eigenerzeugungsanlagen an lokalen Stromnetzen mit Durchschaltung auf das Stromnetz im Netzbetrieb Control unit for operation of power generation facilities of local power networks with switching through the power grid in network operation
08/08/2012CN202374043U Intelligent control device for ring main unit
08/08/2012CN202374038U Dual-power automatic switching circuit
08/08/2012CN202374037U Double-power on-line automatic switching device
08/08/2012CN202374036U Controller circuit of stand-by power supply for electric vehicle
08/08/2012CN202374035U Power transfer switch
08/08/2012CN202374034U Multifunctional relay
08/08/2012CN202374033U Automatic switching device for standby power supply
08/08/2012CN202374032U Power conversion switch
08/08/2012CN202374031U Lighting circuit inside railway power supply screen
08/08/2012CN202374028U Uninterrupted power supply for mine underground personnel positioning card reader
08/08/2012CN202374020U Backup power supply device based on super-capacitor
08/08/2012CN202374014U High frequency link type wind and light complementary control reverse integrated device
08/08/2012CN202374009U Intelligent telecontrol operation power supply control system
08/08/2012CN202373993U Novel mobile power supply
08/08/2012CN202373985U Solar conflux case self-power apparatus
08/08/2012CN1848600B Power supply arrangement
08/08/2012CN102629779A Uninterrupted motive power system for oil pumping machine in oil field
08/08/2012CN102629778A Multi-system modularization emergency power supply (EPS)
08/08/2012CN102629777A Standby power system of DC power source
08/08/2012CN101910909B Battery and power management for industrial inspection handset
08/08/2012CN101826807B Switching mode power supply device and control method thereof
08/08/2012CN101826751B Intelligent dual-power transfer switch driven by cylindrical single-phase linear asynchronous motor
08/08/2012CN101789610B Optical fibre network terminal system and power supply module thereof
08/08/2012CN101707390B Power redundancy backup method and device
08/08/2012CN101673965B Automatic switching control method for wide-area emergency power source of electric power system
08/08/2012CN101572437B Power management system
08/02/2012WO2012103152A2 Harmonic mitigation devices and applications thereof
08/02/2012WO2012102461A1 Battery charging/discharging control circuit using microcomputer
08/02/2012WO2011084227A3 Control of four-leg transformerless uninterruptible power supply
08/02/2012US20120193988 Hybrid inverter generator
08/02/2012US20120193987 Energy interface system
08/02/2012US20120193983 Power source device and vehicle
08/02/2012DE102011000394A1 Lokale Energieversorgungsanlage Local energy supply system
08/02/2012CA2825476A1 Harmonic mitigation devices and applications thereof
08/01/2012EP2482444A2 Hybrid inverter generator
08/01/2012EP2482425A1 Blackout ride-through system
08/01/2012EP2481190A1 Control device for putting an electronic member of a communication network on hold prior to rebooting
08/01/2012EP1879824B1 Elevator system
08/01/2012EP1380085B1 Adjustable scalable rack power system and method
08/01/2012CN202364426U Emergency lamp circuit and emergency lamp system
08/01/2012CN202364415U Solar photoelectric complementary device
08/01/2012CN202364159U Photovoltaic energy storing device
08/01/2012CN202363970U Intelligent electronic change-over switch
08/01/2012CN202363969U Novel complete equipment for automatically switching backup power supply
08/01/2012CN202363968U Dual-power input selection and power reverse connection prevention circuit
08/01/2012CN202363967U Uninterrupted switching circuit for isolating double-input power supply output
08/01/2012CN202363966U Automatic switching device for emergency power supply
08/01/2012CN202363965U Novel two-path conversion power supply module
08/01/2012CN202363964U Power supply with general utility
08/01/2012CN202363963U Power supply apparatus capable of switching between commercial power and fuel cell
08/01/2012CN202363962U DC power supply device capable of switching into stand-by power source
08/01/2012CN202363961U Circuit for switching primary/secondary power supply of USB (Universal Serial Bus) device
08/01/2012CN202363960U Double-battery power supply device
08/01/2012CN202363959U Power supply switching control system
08/01/2012CN202363958U Backup power supply control system based on fuel battery
08/01/2012CN202363957U Transformer with continuous power supply
08/01/2012CN202363927U Intelligent efficient power supply module
08/01/2012CN202363924U Multifunctional power supply management system
08/01/2012CN202361511U Intelligent control solar photovoltaic air-source gas-complementation heating system
08/01/2012CN102625542A Centralized power supply comprehensive intelligent control system supplying power for outdoor lighting system
08/01/2012CN102624085A Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet
08/01/2012CN102624084A Special fire emergency power supply
08/01/2012CN102624083A Double-power automatic change-over switch
08/01/2012CN102624082A Centralized power supply comprehensive intelligent control system for supplying power for indoor lighting system
08/01/2012CN102624081A Solid-state switch switching control method with fault circulation inhibiting effect
08/01/2012CN102624080A Dual-power automatic transfer switch device
08/01/2012CN102624079A Double-microprocessor framework-based solid-state switch control system
08/01/2012CN102624078A Power supplying switching method of direct current dual path input and device for implementing method
08/01/2012CN102624077A Enclosure housing electronic components having hybrid HVAC/R system with power back-up
08/01/2012CN102624076A Power supply method for wireless communication terminal
08/01/2012CN102624075A Multimachine parallel connection method and scheme of modular UPS (uninterrupted power supply) system
08/01/2012CN102624061A Test power supply for urgent repair site
08/01/2012CN102624053A Uninterrupted power system capable of continuously supplying power
08/01/2012CN102623994A Substation area control method and system of microgrid operation mode
08/01/2012CN102022260B Supercapacitor-based redundant electric variable pitch system
08/01/2012CN101393817B Chamber type intelligent duplicate power supply converting switch
07/2012
07/31/2012US8232679 Uninterruptible power supplies with converter operation conditioned upon static switch commutation and methods of operation thereof
07/31/2012US8232676 Uninterruptible fuel cell system
07/26/2012WO2012099957A1 Apparatus and method for providing uninterruptible power
07/26/2012WO2012099911A1 Uninterruptible power supplies for use in a distributed network
07/26/2012WO2012098106A2 Sun protection, closure or blackout apparatus comprising a back-up power supply unit for an actuator and method for controlling such an apparatus
07/26/2012WO2012097594A1 Battery protection device and method for dc power supply
07/26/2012WO2012097516A1 Led lamp emergency module, circuit and system
07/26/2012US20120191252 Photovoltaic power source for electromechanical system
07/26/2012US20120189392 Power supply device for an electromagnetic base of a drill, particularly of an electric drill
07/26/2012US20120187852 Elevator Emergency LED Lighting Power Supply Assembly
07/26/2012US20120187764 Enclosure housing electronic components having hybrid hvac/r system with power back-up
07/26/2012DE102011009457A1 Power supply network for building, has inverter whose alternating voltage input is connected to power source via switching elements, and direct voltage output is connected with battery
07/26/2012CA2825006A1 Uninterruptible power supplies for use in a distributed network
07/25/2012EP2479362A1 Battery-fed sensor assembly with reduced standby current
07/25/2012EP2002524B1 Energy supply device for a plurality of energy consumers connected thereto
07/25/2012DE202008018287U1 Notbeleuchtungssystem und Notlampe hierfür Emergency lighting and emergency lamp this
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