Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
04/2014
04/16/2014CN203554059U DC power supply screen power supply device and system
04/16/2014CN203554058U Power supply circuit of automatic change-over switch controller
04/16/2014CN203554057U EPS static-state change-over switch
04/16/2014CN203554056U Non-master-slave adaptive three phase UPS parallel system
04/16/2014CN203554055U Power supply system of mobile monitoring vehicle
04/16/2014CN203554054U UPS (Uninterrupted Power Supply) parallel operation system
04/16/2014CN203554053U Direct-current self-starting emergent vehicle power source
04/16/2014CN203553628U Intelligent power box for base station
04/16/2014CN103730953A IC (Integrated Circuit) card intelligent water meter, and power supply managing circuit and method of IC card intelligent water meter
04/16/2014CN103730952A Emergency power supply device and method for electric vehicle swapping station
04/16/2014CN103730951A Power management system and method
04/16/2014CN103730950A Solar energy power supply system for signal expanding equipment
04/16/2014CN103730949A Server energy-saving power supply design method supporting both AC input and DC input
04/16/2014CN103730948A Server cabinet continuous power supply method
04/16/2014CN103730947A Hybrid type high voltage terminal energy supply system
04/16/2014CN103730946A Server cooling system with alternating current and direct current power supply and operation method thereof
04/16/2014CN103730945A Power supply fast switch method and system
04/16/2014CN102751782B Uninterruptible power supply with multiple energy redundancies
04/16/2014CN102684295B Mining flameproof dual-power switching control box
04/16/2014CN102270831B Wide-voltage power protection device of intelligent vehicle-mounted terminal
04/16/2014CN102089957B Power supply unit having a voltage converter
04/15/2014US8698357 Multiple power supply device
04/15/2014US8698354 System and method for bidirectional DC-AC power conversion
04/15/2014DE202013105926U1 Redundantes Energieversorgungssystem mit der Möglichkeit zur Verringerung des Standby-Energieverbrauches Redundant power supply system with the ability to reduce the standby power consumption
04/15/2014CA2685429C Method of controlling parallel-connected backup power sources and apparatus with parallel-connected backup power sources
04/15/2014CA2556668C Method and apparatus for controlling a battery
04/10/2014WO2014055715A2 Ups with multiple independent static switches
04/10/2014WO2014053780A2 Electrical network for automotive vehicle
04/10/2014WO2014053464A1 High-efficiency electric conversion and continuity management system for uninterruptible power supplies (ups) and derived apparatuses
04/10/2014WO2013182927A3 A system and method for emergency lighting
04/10/2014US20140097693 Electrical feeding device
04/10/2014US20140097692 Lighting device having uninterruptible illumination and external power supply function
04/10/2014US20140097690 Uninterruptible Power Supply System With Fast Transfer For Undervoltage Source Line Failures
04/10/2014US20140097689 Static Transfer Switch Off Detection And Transfer Management
04/10/2014US20140097681 System and method for electricity management
04/10/2014US20140097680 Ups with multiple independent static switches
04/09/2014EP2717425A1 LED driver
04/09/2014EP2717412A1 Power supply system
04/09/2014EP2717410A1 Power control device and power control method
04/09/2014EP2717405A1 System for reducing harmonic voltage components on a battery for uninterruptible power supplies (ups) and derived apparatuses
04/09/2014EP2715481A1 Waking an electronic device
04/09/2014CN203537712U Novel security monitoring host cabinet
04/09/2014CN203537626U LED photovoltaic illumination system
04/09/2014CN203537588U Melting starting power source device of channel-type induction furnace
04/09/2014CN203537060U Grid system
04/09/2014CN203537059U Redundancy type sampling switching circuit
04/09/2014CN203537058U Fuel pump power supply
04/09/2014CN203537057U Thermal power plant power system with double-path emergency stand-by power supply
04/09/2014CN203537056U Self-recovery device for UPS output fault
04/09/2014CN203537055U Double-power supply electric vehicle power switching circuit
04/09/2014CN203537054U Double-input switching device of single-phase uninterruptable power supply
04/09/2014CN203537053U LED illuminating lamp emergency power supply
04/09/2014CN203537052U Multifunctional renewable energy source converting system
04/09/2014CN203537051U Shore crane power supply circuit for improving power supply reliability of elevator
04/09/2014CN203537050U Intelligent power supply system used for secondary surveillance radar test responder
04/09/2014CN203537049U Switching control device for special emergency power supply of complete equipment of medium-frequency induction furnace
04/09/2014CN203537048U Backup automatic switching device applied to alternating current and flexible direct current hybrid power supply area
04/09/2014CN203537047U Uninterrupted power source system capable of conducting intelligent double-input power supply
04/09/2014CN203537046U Mutual standby device for air-conditioner inversion power supply
04/09/2014CN203537045U Energy acquisition device
04/09/2014CN203537044U UPS system capable of parallel operation
04/09/2014CN203536999U Power supply module for intelligent power control equipment
04/09/2014CN103715968A Flameproof double-power-supply variable-frequency speed regulation system
04/09/2014CN103715764A Automatic transfer switch electrical installation matched with MT series frame circuit breaker and control method thereof
04/09/2014CN103715763A Energy-saving power supply system for IDC (internet data center) machine room
04/09/2014CN103715762A Bidirectional switching circuit of hybrid power supply system and control method of bidirectional switching circuit
04/09/2014CN103715761A Automatic change-over switch apparatus with switch-opening prevention function
04/09/2014CN103715760A Automatic change-over switch electric appliance in two inlet wire one buscouple mode
04/09/2014CN103715759A Power selection and interlocking device of automatic change-over switch appliance used in 690V IT system
04/09/2014CN103715758A Monitor backupping method for improving reliability of integrated power supply system
04/09/2014CN103715757A Back-up type redundant low-voltage power distribution system used for nuclear power station
04/09/2014CN103715756A Power supply device of mine-used flameproof and intrinsically-safe camera
04/09/2014CN103715755A Alternating current uninterrupted power source for communication
04/09/2014CN103715754A UPS and power supply system
04/09/2014CN103715753A Photovoltaic greenhouse temperature regulation system
04/09/2014CN103715752A Distributed new-energy electric-power microgrid system with piconet structure
04/09/2014CN103715747A Switching type double-gun charging point circuit used for electric bus
04/09/2014CN103715732A Lighting device having uninterruptible illumination and external power supply function
04/09/2014CN103711630A Split-type auxiliary power combustion and emergency starting system
04/09/2014CN103711520A Underground local ventilator power supply system
04/09/2014CN102545299B Solar photovoltaic power generation system and power supply method for communication
04/09/2014CN102480140B Method and circuit for synchronizing modularized uninterrupted power supply system
04/09/2014CN102394505B Method and device for realizing energy exchange between universal electronic equipment
04/09/2014CA2829682A1 End-user based backup management
04/09/2014CA2829375A1 Lighting device having uninterruptible illumination and external power supply function
04/09/2014CA2829236A1 Utility based backup management
04/08/2014US8692480 Power supply unit and method for controlling a power supply unit
04/03/2014WO2014052689A1 Hvac system having kinetic energy storage device
04/03/2014WO2014049759A1 Information processing apparatus including batteries, and method for charging batteries
04/03/2014WO2014048020A1 Detection and control circuit of power supply system
04/03/2014WO2014048019A1 Intelligent led light bulb
04/03/2014WO2013136242A3 Methods and apparatus for emergency powering of a light source
04/03/2014US20140091629 Power supply device and method of controlling power supply
04/03/2014DE102013218385A1 Stromversorgungssystem Power supply system
04/02/2014EP2713477A1 Method for operating an electric circuit for a wind farm
04/02/2014EP2712490A2 Lighting device
04/02/2014EP2712489A1 System and method of commissioning a lighting system
04/02/2014CN203522320U Viscose production line control system uninterruptible power supply device
04/02/2014CN203522319U Large-current DC double-power-supply switching device
04/02/2014CN203522318U Three-power-supply switching circuit and consumer electronic equipment
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