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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12/27/2013 | WO2013190087A1 Electric circuit for cutting off an electric power supply having transistors and fuses |
12/27/2013 | WO2013190044A1 Electric circuit for cutting off an electric power supply comprising transistors and fuses having redundant logic |
12/27/2013 | WO2013189197A1 Protection circuit, control method therefor, and telecommunication subrack equipment |
12/27/2013 | WO2013139335A3 Multi-location current feed in a consumer power circuit with line protection |
12/27/2013 | CA2877394A1 Electric circuit for cutting off an electric power supply having transistors and fuses |
12/27/2013 | CA2877178A1 Electrical circuit for cutting off an electrical supply with relay and fuses |
12/26/2013 | US20130343105 Inverter overheating protection control apparatus and inverter overheating protection control method |
12/26/2013 | US20130343096 Control circuit for a resonant converter or the like and method therefor |
12/26/2013 | US20130342947 Abnormal voltage detecting device |
12/26/2013 | US20130342946 Parallel protection circuit for solar module |
12/26/2013 | US20130342944 Electronic circuit |
12/26/2013 | US20130342943 Input protection circuit |
12/26/2013 | US20130342939 Circuit protector |
12/25/2013 | EP2677617A1 Power supply circuit for an on board energy source or storage device and particularly for super-capacitor storage unit |
12/25/2013 | EP2677616A1 Interface unit comprising an overcurrent and overvoltage protection device |
12/25/2013 | EP2676346A1 Method and arrangement for detecting an internal failure in h-bridge connected capacitor bank |
12/25/2013 | EP2676284A1 Residual-current-operated circuit breaker |
12/25/2013 | CN203368826U Novel exhibit engine optical dynamic design |
12/25/2013 | CN203368336U 变频器 Drive |
12/25/2013 | CN203368334U Intelligent quick-responsive three-phase variable-frequency electric control system suitable for electromagnetic stirrerS |
12/25/2013 | CN203368135U Domestic energy power supply system |
12/25/2013 | CN203368008U Solar fan circuit with function of charge and discharge protection |
12/25/2013 | CN203367985U Motor dual protection belt alarm automation control device |
12/25/2013 | CN203367983U Distributed generation grid-connected detection protective system |
12/25/2013 | CN203367978U Elevator shunt release safety protection device |
12/25/2013 | CN203367977U Television lightning protection device |
12/25/2013 | CN203367976U Pan and tilt overvoltage protection system |
12/25/2013 | CN203367975U Standby electricity-saving device of overvoltage protection |
12/25/2013 | CN203367974U Energy saving device with overvoltage protection |
12/25/2013 | CN203367973U Selective earth leakage protection circuit |
12/25/2013 | CN203367972U Multifunctional programmable time control device capable of setting overload current |
12/25/2013 | CN203367971U DC load overvoltage over-current protection device |
12/25/2013 | CN203367970U Electric vehicle power supply breaker |
12/25/2013 | CN203367969U Overcurrent protection circuit of data unit |
12/25/2013 | CN203367968U Electric appliance over-current protection circuit device, and ultrasonic humidifier |
12/25/2013 | CN203367967U Protection circuit of ultrasonic humidifier and ultrasonic humidifier |
12/25/2013 | CN203367966U Power supply short-circuit protection apparatus of multi-path clamps |
12/25/2013 | CN203367965U High voltage arc extinction timing control circuit |
12/25/2013 | CN203367964U Multifunctional boundary switch controller |
12/25/2013 | CN203367963U Intelligent endpoint power supply controller |
12/25/2013 | CN203367962U Power outputting device |
12/25/2013 | CN203367961U Three-phase power supply protection recorder with fault recording function |
12/25/2013 | CN103477521A Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network |
12/25/2013 | CN103476628A Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly |
12/25/2013 | CN103475237A 5V stabilized voltage supply with protection?function |
12/25/2013 | CN103475230A Railway signal machine state monitoring and steady power supply unit |
12/25/2013 | CN103475220A Chip special for LNB power source and information source control |
12/25/2013 | CN103475100A System and method for alarming and controlling fault and overload of power distribution network in countryside |
12/25/2013 | CN103475051A Charging circuit, charger with same, and charging method |
12/25/2013 | CN103474960A Protection method during abnormal operation of heating appliance |
12/25/2013 | CN103474959A Detection and protection system used for distributed power-generation connected grids |
12/25/2013 | CN103474957A Pulse type electric leakage protector with judgment function |
12/25/2013 | CN103474956A Leakage protector with judgment function |
12/25/2013 | CN103474955A Earth leakage protection plug |
12/25/2013 | CN103474954A Overvoltage and undervoltage protective circuit based on three-end adjustable shunt reference source |
12/25/2013 | CN103474953A Single-phase mains voltage controller |
12/25/2013 | CN103474952A Short-circuit protection device for power frequency current and lightning surge automatic selection channel |
12/25/2013 | CN103474951A Low drop-out overcurrent protection circuit with controllable output |
12/25/2013 | CN103474950A Intelligent residual-current circuit breaker |
12/25/2013 | CN103474949A Self-adaptive three-sectional protection setting method and device |
12/25/2013 | CN102332705B Short-circuit protection circuit of insulated gate bipolar translator (IGBT) of high-power frequency conversion device |
12/25/2013 | CN102013659B Surge voltage and current protective device |
12/25/2013 | CN101640405B Power and control unit for low or medium voltage apparatus |
12/25/2013 | CN101595615B Structure and method for self protection of power device |
12/25/2013 | CN101540547B Refrigeration power control circuit for semiconductor detector |
12/25/2013 | CN101395778B Load recognition and series arc detection using load current/line voltage normalization algorithms |
12/25/2013 | CN101378184B Electronic trip units with limited read/write access |
12/24/2013 | US8614872 Switching power source apparatus |
12/24/2013 | US8614871 Battery system |
12/24/2013 | US8614870 Active transient current control in electronic circuit breakers |
12/24/2013 | US8614869 Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systems |
12/24/2013 | US8614868 Graded resistance solid state current control circuit |
12/24/2013 | US8614866 Hybrid switch circuit |
12/24/2013 | US8614865 Circuit arrangement |
12/19/2013 | WO2013188155A1 Electronic device power protection circuitry |
12/19/2013 | WO2013187616A1 Power blocking apparatus capable of blocking power supplied by detecting various arcs and overloads |
12/19/2013 | US20130335875 Integrated circuit with automatic deactivation upon exceeding a specific ion linear energy transfer (let) value |
12/19/2013 | US20130335872 System and method for controlled overvoltage detection |
12/19/2013 | US20130335866 Electrical Wiring Device |
12/19/2013 | US20130335865 Interface unit having overcurrent and overvoltage protection device |
12/18/2013 | EP2675060A1 Power conversion apparatus |
12/18/2013 | EP2675031A1 Overvoltage protection element |
12/18/2013 | EP2673878A2 Electric-motor furniture drive having a power supply device |
12/18/2013 | CN203352914U LED protection device |
12/18/2013 | CN203352518U High-voltage starting cabinet additionally provided with no-voltage release device |
12/18/2013 | CN203352497U Circulating pump controlling device equipped with motor restarting controller |
12/18/2013 | CN203352441U High-side output drive circuit |
12/18/2013 | CN203352434U Power voltage control circuit |
12/18/2013 | CN203352285U Electric power network monitoring system |
12/18/2013 | CN203352192U Direct current switch device |
12/18/2013 | CN203352184U Low-voltage reactive power compensation capacitor device |
12/18/2013 | CN203352173U Filter |
12/18/2013 | CN203352165U Reverse polarity protection device for large current charger |
12/18/2013 | CN203352164U Lightning protection circuit of power adapter |
12/18/2013 | CN203352137U Protection device with overload protection circuit module single-chip microcomputer |
12/18/2013 | CN203352136U Overvoltage/undervoltage protection circuit, protection socket and terminal |
12/18/2013 | CN203352135U Application specific integrated circuit of A-type low-voltage leakage protector |
12/18/2013 | CN203352134U Energy-saving device for overvoltage protection |
12/18/2013 | CN203352133U 12V power supply protection circuit for electrically-driven controller of electric vehicle |
12/18/2013 | CN203352132U Full-automatic over-voltage and under-voltage delay protector |