Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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05/30/2013 | WO2013076880A1 Power supply circuit |
05/30/2013 | WO2013076377A1 Residual current device |
05/30/2013 | WO2013076375A1 Socket |
05/30/2013 | WO2013075672A1 Power battery assembly and electric vehicle comprising the same |
05/30/2013 | WO2013043005A3 Economical power cable distribution system |
05/30/2013 | US20130135781 Electrical switching apparatus with overvoltage protection |
05/30/2013 | US20130135780 Protective Device with Metering and Oscillography |
05/30/2013 | US20130135778 Automatic reset discrimination system and method for a self powered electronic protection device |
05/30/2013 | US20130135777 Surge protection circuit |
05/30/2013 | CA2792103A1 Electrical switching apparatus with overvoltage protection |
05/29/2013 | EP2596565A2 Continuous uninterruptable ac grounding system for power system protection |
05/29/2013 | EP2596563A2 Photovoltaic bipolar to monopolar source circuit converter with frequency selective grounding |
05/29/2013 | EP2596562A1 Method for operating an output stage in a controller |
05/29/2013 | EP2596561A2 Sensing and control electronics for a power grid protection system |
05/29/2013 | EP2596560A1 Systems and methods for providing arc fault and/or ground fault protection for distributed generation sources |
05/29/2013 | CN202957655U Automatic power supply conversion controller |
05/29/2013 | CN202957605U High power dynamic cutting unit |
05/29/2013 | CN202957594U Power supply lightning protection case and machine room power supply system |
05/29/2013 | CN202957583U Switching power device with alternating current input over-voltage protection function |
05/29/2013 | CN202957576U Temperature protection and alarm device for transformer |
05/29/2013 | CN202957575U Electric leakage breaker |
05/29/2013 | CN202957574U Multifunctional safety electric-leakage protection device in case of false wiring of power source socket |
05/29/2013 | CN202957573U Breaker |
05/29/2013 | CN202957572U RS485 bus hot-swap protection circuit for remote DC supply |
05/29/2013 | CN202957571U Electric leakage detection circuit for single-phase power supply of isolated neutral system |
05/29/2013 | CN1489819B Method for determining time when obtaining current measuring value and protection system for power networks |
05/29/2013 | CN103124066A Short-circuit control for pulse power supply of high current |
05/29/2013 | CN103124065A Electric tool and control method thereof |
05/29/2013 | CN103124063A Arrester overvoltage protection device with variable voltage ratio and implementation method |
05/29/2013 | CN103124062A ATM (automatic teller machine) intermittent running power device protection circuit |
05/29/2013 | CN102386609B Leakage protection device |
05/29/2013 | CN102035183B Protection circuit for switching power supply |
05/29/2013 | CN102013802B BOOST circuit with short circuit protection function |
05/29/2013 | CN101399445B Electric power generation with magnetically geared machine |
05/28/2013 | US8451574 Method and system for through fault detection in electrical devices |
05/28/2013 | US8451573 Overvoltage protection device for a wind turbine and method |
05/28/2013 | US8451572 Protective device with metering and oscillography |
05/28/2013 | US8451571 Overheat protection circuit and power supply integrated circuit |
05/28/2013 | US8451568 Remotely-controllable circuit breaker |
05/28/2013 | CA2507315C Disaster recovery port in a portable computer |
05/28/2013 | CA2358721C Ground fault circuit interrupter |
05/23/2013 | WO2013074602A1 Electrical power distribution systems, smart electricity meters, and methods of controlling local power connection |
05/23/2013 | WO2013074588A1 Smart meters, and systems and method for electrical power reconnection |
05/23/2013 | WO2013074156A1 Triggered arc flash arrester and switchgear system including the same |
05/23/2013 | WO2012126601A3 Photovoltaic system |
05/23/2013 | US20130128405 Automatic thermal shutdown circuit |
05/23/2013 | US20130128404 Overvoltage protection circuit |
05/23/2013 | US20130128403 Delay protection circuit and electronic device employing the same |
05/23/2013 | US20130128397 Bypass capacitors for high voltage bias power in the mid frequency rf range |
05/23/2013 | US20130128396 Current measurement |
05/23/2013 | US20130128395 Short-circuit Detection Circuit and Short-circuit Detection Method |
05/23/2013 | DE102011089204A1 Switch designed as low-voltage circuit breaker, has converter comprising non-magnetic core whose dimensions are equal, so that number of layers and/or windings per layer is increased with increase in switch size |
05/22/2013 | EP2595264A1 Protection relay apparatus |
05/22/2013 | EP2595170A1 Leakage breaker |
05/22/2013 | EP2593952A1 Control arrangement |
05/22/2013 | CN202949618U Electronic ballast with adjustable brightness |
05/22/2013 | CN202949222U Surge protector |
05/22/2013 | CN202949217U Low-voltage protection system of circuit breaker |
05/22/2013 | CN202949212U Built-in anti-creeping protection device of warming water boiler |
05/22/2013 | CN202949211U Electric leakage protector special-purpose manifold block and multistage electric leakage protection system formed thereby |
05/22/2013 | CN202949210U Multi-functional residual-current circuit breaker |
05/22/2013 | CN202949209U Leakage breaker |
05/22/2013 | CN202949208U Voltage-loss protector |
05/22/2013 | CN202949207U 12V voltage monitoring circuit of electric automobile electric drive controller |
05/22/2013 | CN202949206U Voltage control output circuit |
05/22/2013 | CN202949205U Lightning arrester overvoltage protection device with variable voltage ratio |
05/22/2013 | CN202949204U Intelligent fault detecting and elimination system of circuit breaker |
05/22/2013 | CN202949203U Circuit structure applied to motor vehicle electrical appliance |
05/22/2013 | CN202949157U Low-voltage test car |
05/22/2013 | CN103119826A Charging system for electric vehicle and charging control method |
05/22/2013 | CN103119815A Method and system for disconnecting a generator from a power system |
05/22/2013 | CN103117539A Self-balanced electromagnetic electronic fault current limiter |
05/22/2013 | CN103117530A Power on and power off self-locking protective device for power supply |
05/22/2013 | CN103117529A Mine intrinsic safety type portable detection robot body driving device |
05/22/2013 | CN103117528A Series capacitor type high-voltage direct current breaker and control method thereof |
05/22/2013 | CN103114797A Anti-theft warning rolling door |
05/22/2013 | CN101902126B Power supply device for sputter ion pumps |
05/22/2013 | CN101795067B 恒压电路 Constant-voltage circuit |
05/22/2013 | CN101523680B Electrical fault restricting system |
05/21/2013 | US8446703 Surge arrester with a cage design |
05/21/2013 | US8446701 Single-phase transient voltage suppression circuit |
05/21/2013 | US8446700 Overcurrent protection in a dimmer circuit |
05/21/2013 | US8446699 Residual current device having voltage dependent and voltage independent modes of operation |
05/21/2013 | US8446151 Protective device |
05/16/2013 | WO2013069181A1 Protection control system, protection control devices, and merging unit |
05/16/2013 | WO2013069180A1 Protection control system and merging unit |
05/16/2013 | WO2013067729A2 Method of electricity leakage detection and prevention of electrical equipment's outer surface and system thereof |
05/16/2013 | US20130120889 Proximity detection circuit having short protection |
05/16/2013 | US20130120888 Current differential replay apparatus |
05/16/2013 | US20130120887 Protection device for lithium battery assembly |
05/16/2013 | US20130120883 Battery charger for an electrically-driven vehicle and method of confirming earth leakage applicable thereto |
05/16/2013 | US20130120882 Ultra-low sensitivity ground fault circuit interrupter |
05/16/2013 | US20130119955 High Voltage SEPIC Converter |
05/16/2013 | US20130119895 Led driving circuit and driving controller for controlling the same |
05/16/2013 | DE102012219717A1 Method for protecting output stage of electric motor from overcurrent, for actuating clutch of dual clutch transmission in motor car, involves switching-off output stage when actual current value exceeds predetermined threshold value |
05/16/2013 | DE102011056577B3 Schaltungsanordnung zur Unterdrückung eines bei einem Schaltvorgang auftretenden Lichtbogens Circuit arrangement for the suppression of an electric arc occurring during a switching operation |
05/16/2013 | CA2853175A1 Method of electricity leakage detection and prevention of electrical equipment's outer surface and system thereof |
05/15/2013 | EP2591529A1 Secondary thermal sensor for primary conductors |
05/15/2013 | EP2591373A1 Fast distance protection for energy supply networks |
05/15/2013 | CN202940576U Current overload protection device for circuit breakers |