| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 12/25/2013 | CN103475237A 5V stabilized voltage supply with protection?function |
| 12/25/2013 | CN103475217A DC-DC circuit and overcurrent protection method thereof |
| 12/25/2013 | CN103475203A Three-level protection method aiming at different fault characteristics of LED (Light Emitting Diode) power supply |
| 12/25/2013 | CN103475196A Actuator of insulated gate bipolar transistor |
| 12/25/2013 | CN103475191A Control circuit of switching power supply |
| 12/25/2013 | CN103475061A Photovoltaic intelligent controller |
| 12/25/2013 | CN103475057A Mobile phone charger with temperature sensor |
| 12/25/2013 | CN103475050A Charging circuit and charger with same |
| 12/25/2013 | CN103474977A Lightning protection device, lightning protection combination and lightning protection cabinet |
| 12/25/2013 | CN103474974A Distribution network single-phase ground protection method based on zero-sequence current sudden change straight line fitting direction |
| 12/25/2013 | CN103474973A Intelligent circuit breaker |
| 12/25/2013 | CN103474972A Online setting calculation method for relay protection |
| 12/25/2013 | CN103474971A Multi-ended circuit guide line differential protective device based?on?principle of phase comparison |
| 12/25/2013 | CN103474970A Current monitor applied to medium-low-voltage power distribution system |
| 12/25/2013 | CN103474969A Ground fault detecting protective circuit of photovoltaic module |
| 12/25/2013 | CN103474968A Flashing light charging protection circuit and control method thereof |
| 12/25/2013 | CN103474967A Highly-integrated battery protection circuit |
| 12/25/2013 | CN103474966A Capacitor harmonic resonance overvoltage detection method and protection device |
| 12/25/2013 | CN103474965A Low-cost alternating-current input overvoltage protection circuit and switching power supply |
| 12/25/2013 | CN103474964A Intelligent overcurrent protection device capable of preventing inverter subversion and control method thereof |
| 12/25/2013 | CN103474963A Output over-voltage protection circuit of switching power supply |
| 12/25/2013 | CN103474962A Shutdown protection and control method of stepped two-stage matrix converter |
| 12/25/2013 | CN103474961A Novel water resource manager |
| 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 | CN103474949A Self-adaptive three-sectional protection setting method and device |
| 12/25/2013 | CN103472317A Open-phase detection circuit of three-phase variable-frequency electromotor |
| 12/25/2013 | CN102496916B Switch failure protection method using electric network wide area information |
| 12/25/2013 | CN102403701B Self-adaptive distance protection method for double-circuit line of intelligent substation |
| 12/25/2013 | CN102347604B Accurate variable reactor switching method for eliminating single-phase earth fault of ship shore power system |
| 12/25/2013 | CN102332705B Short-circuit protection circuit of insulated gate bipolar translator (IGBT) of high-power frequency conversion device |
| 12/25/2013 | CN102324726B Abnormal protection circuit of electronic ballast |
| 12/25/2013 | CN102306931B Direct-current traction feed section region protection system and protection method |
| 12/25/2013 | CN102244379B Method, device and system for controlling and protecting serial capacitors |
| 12/25/2013 | CN102231570B Control protection system and method of flexible AC transmission device |
| 12/25/2013 | CN102231569B Control protection system and method for metal oxide varistor (MOV) branch circuit |
| 12/25/2013 | CN101711446B MEMS based motor starter with motor failure detection |
| 12/25/2013 | CN101540498B Method and device for controlling non-setting inrush current of high-voltage switch |
| 12/24/2013 | US8614866 Hybrid switch circuit |
| 12/24/2013 | US8614865 Circuit arrangement |
| 12/24/2013 | DE19720182B4 Verfahren und Einrichtung zum Beseitigen von Fehlern aufgrund von abklingenden Verschiebungen aus gemessenen Leistungssystemfehlern Method and apparatus for eliminating errors due to decaying shifts from measured power system faults |
| 12/24/2013 | DE102012210620A1 Verfahren zum Überwachen einer Trenneinrichtung, insbesondere eines Servicesteckers oder einer Servicesteckbuchse, in einem Batteriesystem, sowie entsprechendes Überwachungsgerät A method for monitoring a separating device, in particular a service connector or a service plug socket, in a battery system, as well as appropriate monitoring device |
| 12/24/2013 | DE102012210595A1 Battery cell for lithium-ion battery of e.g. hybrid vehicle, has switch integrated in battery sensor, controlled by sensor, and connected with electrical connection, where switch is actuated based on variables detected by sensor |
| 12/24/2013 | CA2718620C Power conversion device |
| 12/19/2013 | WO2013187143A1 Magnetizing inrush current suppression device |
| 12/19/2013 | WO2013186148A1 Accumulator battery protected against external short-circuits |
| 12/19/2013 | WO2013186004A1 Apparatus for switching in a dc voltage mains |
| 12/19/2013 | WO2013185522A1 Current traveling wave prediction-based method for electric power transmission line differential protection |
| 12/19/2013 | WO2013185521A1 Full component differential coefficient matrix-based method for ultra-high-voltage alternating current electric power transmission line protection |
| 12/19/2013 | WO2013185345A1 Battery energy draining method and system |
| 12/19/2013 | WO2013110482A3 Overvoltage arrester for an electrical drive |
| 12/19/2013 | WO2012168605A3 Method for controlling the resisting torque of a motor vehicle alternator, and system for implementing this method |
| 12/19/2013 | US20130335057 Electronic device power protection circuitry |
| 12/19/2013 | DE102013009435A1 Schutzsteuersystem für eine Mehrpunktleistungsumwandlungsschaltung Protection control system for a multi-point power conversion circuit |
| 12/19/2013 | DE102012210166A1 Batteriemanagementsystem, Kraftfahrzeug und Batteriemodul Battery management system, automotive and battery module |
| 12/19/2013 | DE102012210151A1 Battery cell i.e. lithium ion cell, for use in traction battery that is arranged in powertrain of electromotor of e.g. motor car, has bypass unit for switching impedance current path parallel to current path in case of occurrence of arc |
| 12/19/2013 | DE102012204788B4 Steuerungsvorrichtung und Bordnetzsystem für ein elektromobiles Kraftfahrzeug mit einem Hochvolt-Bordnetz, bei dem die Überwachungsleitung als einer Teil einer Koaxialleitung realisiert ist, wobei ein anderer Teil der Koaxialleitung als Hochvolt-Leitung verwendet wird Control apparatus and vehicle power supply system for an electric motor vehicle having a mobile high-voltage vehicle electrical system, wherein the monitoring line is realized as a part of a coaxial line, wherein another part of the coaxial line is used as the high-voltage line |
| 12/18/2013 | EP2675060A1 Power conversion apparatus |
| 12/18/2013 | CN203352518U High-voltage starting cabinet additionally provided with no-voltage release device |
| 12/18/2013 | CN203352517U Servo motion control all-in-one machine used for flying saw machine |
| 12/18/2013 | CN203352497U Circulating pump controlling device equipped with motor restarting controller |
| 12/18/2013 | CN203352470U Electric quantity display device for inverter |
| 12/18/2013 | CN203352469U Power converter, current limit unit and control circuit |
| 12/18/2013 | CN203352465U DC stabilized power supply suitable for oil field and oil well remote measurement and control system |
| 12/18/2013 | CN203352384U Motor provided with temperature protection function |
| 12/18/2013 | CN203352276U Emergency power supply device in oil well measurement and control system terminal |
| 12/18/2013 | CN203352256U Charger circuit with zero power consumption after charging protection |
| 12/18/2013 | CN203352242U Mobile power with a laser light |
| 12/18/2013 | CN203352224U A large-power DC power supply equipped with a single relay switch protector |
| 12/18/2013 | CN203352173U Filter |
| 12/18/2013 | CN203352153U TT system voltage displacement protecting apparatus |
| 12/18/2013 | CN203352152U Neutral wire disconnection protector |
| 12/18/2013 | CN203352151U Differential protection system for asymmetric transmission line malfunction |
| 12/18/2013 | CN203352150U Line protection and monitoring device for microprocessor |
| 12/18/2013 | CN203352149U A driving chip protection circuit |
| 12/18/2013 | CN203352148U Lithium battery protection system |
| 12/18/2013 | CN203352147U Lithium ion battery protection circuit |
| 12/18/2013 | CN203352146U Intelligent power capacitor with overcurrent and overtemperature protection |
| 12/18/2013 | CN203352145U Linear voltage-stabilized power supply power tube protection circuit |
| 12/18/2013 | CN203352144U PMSM capacitor time-delay star-shaped connected loop |
| 12/18/2013 | CN203352143U Electrical machine precision current protection and control system |
| 12/18/2013 | CN203352142U Electrical control system for high pressure oxygen compressor |
| 12/18/2013 | CN203352141U Electric starting motor protection system |
| 12/18/2013 | CN203352140U Motor protection circuit |
| 12/18/2013 | CN203352139U Automatic phase change device of motor |
| 12/18/2013 | CN203352138U Over-temperature protection device for high voltage inverter phase-shift rectifier transformer |
| 12/18/2013 | CN203349960U Temperature monitoring system used for explosion-proof motor |
| 12/18/2013 | CN203347986U Temperature control starting motor |
| 12/18/2013 | CN203347985U Temperature control starting motor system |
| 12/18/2013 | CN103460588A Power converter controller |
| 12/18/2013 | CN103457526A Electric motor drive apparatus and electric power steering apparatus having the same |
| 12/18/2013 | CN103457469A Anti-explosion voltage-stabilized power source |
| 12/18/2013 | CN103457338A Compound energy system and control method |
| 12/18/2013 | CN103457323A Charging circuit and charger with same |
| 12/18/2013 | CN103457250A Power distribution network power supply recovery method based on root tree cutting |
| 12/18/2013 | CN103457249A Smart distribution network distributed type pilot protection method and system |
| 12/18/2013 | CN103457248A Multi-fault processing method based on time axis |
| 12/18/2013 | CN103457247A Multi-level full-range selective coordination and protection technology of low-voltage system |
| 12/18/2013 | CN103457246A Method for protecting medium-voltage direct-current power supply direct current zone distribution networks |
| 12/18/2013 | CN103457245A Protective cover of mobile terminal |