| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
|---|
| 03/25/2009 | CN100473108C Electrical supply apparatus and device and electrical power supply module |
| 03/25/2009 | CN100472913C Fault current-limiting device for transmission and distribution electric network |
| 03/24/2009 | US7508094 UPS systems having multiple operation modes and methods of operating same |
| 03/24/2009 | CA2469768C A methodology for time-shifting electrical grid energy consumption to optimize cost rate and grid load level |
| 03/19/2009 | US20090072624 Green Data Center And Virtual Power Plant |
| 03/19/2009 | US20090072623 Uninterruptible power supply system and controlling method thereof |
| 03/18/2009 | EP2036189A2 Data center uninterruptible power distribution architecture |
| 03/18/2009 | EP2036180A1 Power compensator and method for providing a black start with that compensator |
| 03/18/2009 | EP1683253B1 Forward converter |
| 03/18/2009 | CN101390268A Emergency power supply system using fuel cell |
| 03/18/2009 | CN101388566A Dual power supply automatic switching device |
| 03/18/2009 | CN101388565A Low-power consumption standby circuit and standby control method |
| 03/18/2009 | CN101388557A Insulated gate bipolar transistor uninterruptible power supply system |
| 03/18/2009 | CN100471005C Standby power supply switching method and apparatus |
| 03/18/2009 | CN100471004C Automatic converting switch system and controller |
| 03/18/2009 | CN100471003C Electronic device, electronic device system and powder supply controlling method thereof |
| 03/12/2009 | WO2009013669A3 Power supply unit for a home automation actuator and method of operation of said unit |
| 03/12/2009 | DE202008015548U1 Energiequellenwahlsystem für eine Wärmemaschine Energy source selection system for a heat engine |
| 03/11/2009 | EP2034587A2 Method and arrangement in conjunction with emergency light |
| 03/11/2009 | EP2033068A2 Method and apparatus for providing backup power to a portable electronic device |
| 03/11/2009 | CN201207584Y Time-delay protection circuit for circuit breaking |
| 03/11/2009 | CN201207583Y Power supply circuit for high-low voltage rare oil station |
| 03/11/2009 | CN201207582Y 多输入电力切换电路 Multi-input power switching circuit |
| 03/11/2009 | CN101385217A Batteryless starter for ups |
| 03/11/2009 | CN101383514A Ups device |
| 03/11/2009 | CN101383242A Intelligent dual-power switching device |
| 03/11/2009 | CN101383239A Chamber type automatic duplicate supply converting switch |
| 03/11/2009 | CN101383238A Intelligent duplicate power supply switching device |
| 03/11/2009 | CN100468269C Spare circuit for electronic device |
| 03/11/2009 | CN100467249C Mixed power supply type injection moulding machine system |
| 03/10/2009 | US7501720 Selector circuit for power management in multiple battery systems |
| 03/10/2009 | CA2543412C Systems and methods for switching to a back-up power supply |
| 03/05/2009 | WO2009027280A1 Electrical domestic appliance |
| 03/05/2009 | US20090059636 Power adapter having an electricity storing capability |
| 03/05/2009 | US20090058188 Direct current stabilizing power source apparatus |
| 03/05/2009 | US20090058186 Portable generator interconnection device for traffic signal |
| 03/05/2009 | DE102007040555A1 Method for identifying type of voltage, particularly operating voltage supplied to operating device for emergency light, involves rectifying available voltage, such that it is divided into positive and negative voltage component |
| 03/04/2009 | EP2030313A2 Ride-through method and system for hvac&r chillers |
| 03/04/2009 | EP2030302A1 Apparatus for controlling the switching on/off of a power unit |
| 03/04/2009 | EP1224722B1 Semiconductor fuse for electrical consumers |
| 03/04/2009 | CN201204482Y Intelligent decision and scheduling system for base station current failure |
| 03/04/2009 | CN101378207A 负载控制模块 Load control module |
| 03/04/2009 | CN100466415C Method for automatic putting new type backup power source into use under PC control |
| 03/03/2009 | US7500120 Apparatus has service processor determining interconnection between uninterruptible power supplies and system resources using configuration file that is stored in memory |
| 03/03/2009 | US7498689 Power supply device for vehicle |
| 02/26/2009 | US20090051222 Method And System For Providing Electrical Power To A Wind Turbine System |
| 02/26/2009 | DE4446601B4 Anordnung elektrischer Funktionseinheiten eines Notlichtversorgungssystems Arrangement of electrical functional units of a Notlichtversorgungssystems |
| 02/26/2009 | DE102008024222A1 Method for supplying of controlled power within power supply area of electric utility for frequency stabilization of electric transmission network, involves connecting uninterrupted power supply system and rectifier system with controller |
| 02/25/2009 | EP2028758A1 Engine having power bus fault short circuit control with a disconnection switch |
| 02/24/2009 | US7495415 DC backup power supply system |
| 02/24/2009 | US7495356 Dual power supply system |
| 02/19/2009 | WO2009023426A2 Input and output power modules configured to provide selective power to an uninterruptible power supply |
| 02/19/2009 | WO2008139311A3 Method and parameterisable device for distributing and managing power |
| 02/19/2009 | WO2008103696A8 3-phase high power ups |
| 02/19/2009 | US20090046415 Methods and apparatus for providing and distributing standby power |
| 02/19/2009 | US20090045680 Extended cold (battery backup) refrigerator |
| 02/19/2009 | CA2693074A1 Input and output power modules configured to provide selective power to an uninterruptible power supply |
| 02/18/2009 | EP2026440A2 Method and device for providing controlling power in the energy supply area of an energy supplier for stabilising the frequency of an electric network |
| 02/18/2009 | EP1668761B1 Frequency converter for a motor vehicle |
| 02/18/2009 | CN201197087Y Two-way power supply |
| 02/18/2009 | CN201197086Y Redundant power supply used for digital electro-hydraulic control system of turbine |
| 02/18/2009 | CN101369739A Spare power automatic switching device and method for three-segment bus two-segment switch |
| 02/18/2009 | CN101369738A Output circuit of parallel connection power supply |
| 02/18/2009 | CN101369008A Thermal switching test system and method for redundant power supply |
| 02/18/2009 | CN100463333C Double-electric source automatic change-over switch controller |
| 02/18/2009 | CN100463329C Electric power controller and power generator system |
| 02/17/2009 | US7492058 Modular uninterruptible power supply with loadsharing between modules |
| 02/17/2009 | US7492057 High reliability DC power distribution system |
| 02/12/2009 | WO2009020788A1 Adjustable battery charger for ups |
| 02/12/2009 | US20090039706 Input and output power modules configured to provide selective power to an uninterruptible power supply |
| 02/12/2009 | US20090039705 Deployable power supply system |
| 02/12/2009 | DE102006014888B4 Leuchteinheit mit Batterieladeaufbau und Scheinwerfer Light unit with battery charging structure and headlights |
| 02/12/2009 | CA2695430A1 Adjustable battery charger for ups |
| 02/11/2009 | EP2023463A2 An emergency luminaire |
| 02/11/2009 | EP2023033A1 Low power consuption LED emergency light |
| 02/11/2009 | CN201194340Y Frequency converter construction |
| 02/11/2009 | CN201194079Y Full-power management system for ship power plant |
| 02/11/2009 | CN101364746A Self-adaptive standby power source self-throwing scheme for transforming plant lead-in circuit breaker |
| 02/11/2009 | CN101364340A Radio frequency remote control system free from battery capable of learning and application thereof |
| 02/11/2009 | CN100461607C Parallel-working sine ware inverter |
| 02/11/2009 | CN100461129C Component and high-grade component in electric appliance and method for supplying electricity for the components |
| 02/10/2009 | US7489528 Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
| 02/10/2009 | US7489051 Adaptive power system with improved efficiency and distribution space reduction |
| 02/05/2009 | WO2008135549A3 Method for controlling backup power sources connected in parallel and device comprising backup power sources connected in parallel |
| 02/05/2009 | WO2008100237A3 A smps circuit with multiple ac/dc inputs and application of such circuit to computer power supplies or laptop adapters |
| 02/05/2009 | WO2008033525A3 Method of powering up a plurality of loads in sequence |
| 02/05/2009 | US20090033154 Redundant isolation and bypass of critical power equipment |
| 02/05/2009 | US20090033153 Scalable distributed redundancy |
| 02/05/2009 | US20090031692 Device for managing an electrical power failure in, in particular, a yarn transformation textile machine |
| 02/04/2009 | EP2020726A2 Method of powering emergency auxiliary loads, auxiliary converter and railway vehicle for this method |
| 02/04/2009 | EP2020725A2 On-line uninterruptible power system |
| 02/04/2009 | EP2020073A1 Safety drive for a flap or a valve |
| 02/04/2009 | CN201191773Y 变频器 Drive |
| 02/04/2009 | CN101359842A Non-power-off system |
| 02/04/2009 | CN100459369C Controller for switching main power supply |
| 02/03/2009 | US7485988 Uninterruptible power supply |
| 02/03/2009 | US7485979 Method and system for controlling power generator having hydraulic motor drive |
| 01/29/2009 | WO2009013727A1 Method and system for economical emergency activation of electrical devices |
| 01/29/2009 | WO2009013669A2 Power supply unit for a home automation actuator and method of operation of said unit |
| 01/29/2009 | WO2009013591A2 Power systems and methods using an uninterruptible power supply to transition to generator-powered operation |