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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12/05/2013 | WO2013178946A1 Auxiliary control device of the electronic switches of a voltage converter |
12/05/2013 | WO2013178388A1 Device and method for operating an electromechanical adjustment device |
12/05/2013 | WO2013178168A1 Protective apparatus of gas discharge tube and communication device |
12/05/2013 | DE102012104801A1 Stromrichter mit redundanter Zwischenkreisspannungsmessung, sowie Verfahren zum Betreiben eines Stromrichters Power converter with a redundant intermediate circuit voltage measurement, and method for operating a power converter |
12/04/2013 | EP2670011A1 Electricity storage system |
12/04/2013 | EP2668718A2 A switch arrangement |
12/04/2013 | DE202013104998U1 LED-Treiber mit einem Schutz gegen Stromunterbrechung und einer Verstellmöglichkeit der Farbtemperatur und der Lichtstärke LED Driver with protection against power interruptions and adjustment of color temperature and light intensity |
12/04/2013 | CN203327278U Voltage limiting and current limiting protection circuit of induction cooker power switch tube IGBT |
12/04/2013 | CN203326870U Power supply system of high-frequency switch |
12/04/2013 | CN203326703U UPS battery protective device |
12/04/2013 | CN203326671U Control circuit for electronic cigarette case |
12/04/2013 | CN203326666U Charging circuit capable of preventing reversal connection of charging power supply |
12/04/2013 | CN203326662U Storage battery discharge undervoltage identification circuit |
12/04/2013 | CN203326653U 太阳能蓄电池充电电路 Solar battery charging circuit |
12/04/2013 | CN203326586U Novel digitized line protection detection and control device |
12/04/2013 | CN203326585U Coal mine high-voltage grid selective earth leakage protection device |
12/04/2013 | CN203326584U Microcomputer type self-adaptive single-phase reclosing device |
12/04/2013 | CN203326583U Monitoring and protecting device of electric power device |
12/04/2013 | CN203326582U High-power IGBT temperature acquisition protection circuit |
12/04/2013 | CN203326581U Triode-based secondary protection fusing circuit for lithium batteries |
12/04/2013 | CN203326580U Battery-reversal-connection protection device for electronic cigarette |
12/04/2013 | CN203326579U Cell protection board having voltage scaling function |
12/04/2013 | CN203326578U Storage battery charging protector |
12/04/2013 | CN203326577U Inverter's fault current detection and protection circuit |
12/04/2013 | CN203326576U Switch power supply over-current protection circuit |
12/04/2013 | CN203326575U Push-pull framework current detection circuit |
12/04/2013 | CN203326574U Three-phase motor open-phase protective device |
12/04/2013 | CN203326573U Motor disconnection protection device |
12/04/2013 | CN203326572U Mining motor protection device |
12/04/2013 | CN203326571U Frequency converter protective device |
12/04/2013 | CN203326570U Intelligent protecting and monitoring device for motor |
12/04/2013 | CN203326569U Motor commutating device |
12/04/2013 | CN203326568U Direct-current brushless motor with reverse power connection preventing protection circuit |
12/04/2013 | CN203326567U Microcomputer motor protection measurement and control device |
12/04/2013 | CN203326566U Motor measuring and control device |
12/04/2013 | CN203326565U Direct current motor control circuit with heat protection function |
12/04/2013 | CN203326564U Nuclear power two-machine self-excitation system excitation transformer device with over-temperature protection function |
12/04/2013 | CN203326563U Protection device for preventing open circuit of current transformer |
12/04/2013 | CN203325790U GIS circuit breaker |
12/04/2013 | CN203324710U Built-in multi output linkage power supply module |
12/04/2013 | CN103429394A 电动工具 Power Tools |
12/04/2013 | CN103427682A High-performance aviation power supply |
12/04/2013 | CN103427674A 5V stabilized voltage supply with protecting function |
12/04/2013 | CN103427664A Inversion filtering control device of power generation system of comprehensive energy steam turbine |
12/04/2013 | CN103427663A Power converter and matrix converter |
12/04/2013 | CN103427621A Mining isolation type intrinsic safety LED driving power source |
12/04/2013 | CN103427618A Soft start control circuit |
12/04/2013 | CN103427600A Automatic current-sharing circuit of average current of switching power supply |
12/04/2013 | CN103427412A Multi-terminal flexible direct-current transmission system and failure control method |
12/04/2013 | CN103427405A Differential protection method on basis of high-order cumulants for power transmission line |
12/04/2013 | CN103427404A Line protection device and method |
12/04/2013 | CN103427403A Electronic equipment protection method and electronic equipment |
12/04/2013 | CN103427402A Overvoltage protection and energy release device for high-voltage pulse capacitors |
12/04/2013 | CN103427401A Direct current switching-mode power supply |
12/04/2013 | CN103427400A Control circuit of switching mode power supply |
12/04/2013 | CN103427399A Shaft separation-type safety motor |
12/04/2013 | CN103427398A Motor temperature protecting device |
12/04/2013 | CN103427397A Fire protection method and system of slip ring of generator rotor |
12/04/2013 | CN103427396A Active low-dropout backward voltage protection apparatus for hall sensor integrated circuit |
12/04/2013 | CN103427395A Open circuit protection circuit, open circuit protection method and lighting device |
12/04/2013 | CN103427394A Mining flame-proof type selective leakage protector |
12/04/2013 | CN103427343A Mining flameproof and intrinsically-safe type load center based on high-voltage switches and low-voltage switches |
12/04/2013 | CN102088180B Novel fire cutoff phase-stagger protector for electric hoist |
12/03/2013 | US8600463 Conductor arrangement for a resistive switching element having at least two composite conductors made from superconducting conductor bands |
12/03/2013 | US8599578 Multi-resonance power supply with an integral quality factor |
12/03/2013 | US8599521 Switching regulator and operation control method |
12/03/2013 | US8598846 Device and method for stabilizing a battery pack |
12/03/2013 | US8598820 Surge current protection circuit and motor using the same |
11/28/2013 | WO2013176087A1 Battery-state determination method, battery control device, and battery pack |
11/28/2013 | WO2013174726A1 Method of fault clearance |
11/28/2013 | WO2013174296A1 Protection method of electronic device and electronic device |
11/28/2013 | WO2013152172A3 Systems, methods and apparatus for protecting power distribution feeder systems |
11/28/2013 | US20130314822 Motor protection relay to optimise the monitoring and protection of an electric motor |
11/28/2013 | DE102007039820B4 FET-Überwachungs- und Schutzanordnung sowie Verfahren hierzu FET monitoring and protection arrangement and method therefor |
11/27/2013 | EP2667470A1 Battery pack |
11/27/2013 | EP2667084A1 Portable electric lamp with current limiting device |
11/27/2013 | EP2666219A2 Photovoltaic inverter unit |
11/27/2013 | CN203313113U Automatic lead-inserting control system |
11/27/2013 | CN203313103U Control circuit for internal and external circulation motor of vehicle-mounted hand-operated air conditioner |
11/27/2013 | CN203313080U Power supply switching device having protection circuit |
11/27/2013 | CN203313057U Power supply circuit |
11/27/2013 | CN203312866U Mobile power supply |
11/27/2013 | CN203312863U Electromobile timing charger |
11/27/2013 | CN203312847U A high-capacity battery electricity quantity control circuit |
11/27/2013 | CN203312781U Integrated anti-islanding protection system for distributed power generation |
11/27/2013 | CN203312780U 35kV multi-power-supply closed type network line protecting device based on PSASP (Power System Analysis Software Package) |
11/27/2013 | CN203312779U Multilevel-area-latching release |
11/27/2013 | CN203312778U Chip power supply protection circuit |
11/27/2013 | CN203312777U Intrinsic safety cell |
11/27/2013 | CN203312776U Automatic power-off device for electric car charger |
11/27/2013 | CN203312775U High safety power lithium battery pack discharge short-circuit protection control system |
11/27/2013 | CN203312774U Short-circuit and low-voltage protective circuit of output of switching power source |
11/27/2013 | CN203312773U Connection control structure for photovoltaic inverter direct current side |
11/27/2013 | CN203312772U DC power automatic protection and control circuit |
11/27/2013 | CN203312771U Motor open phase protector used for industrial waste water delivery pump |
11/27/2013 | CN203312770U Simple industrial wastewater transfer pump protection circuit |
11/27/2013 | CN203312769U Thin oil station power failure protection device for large- or medium-sized speed reducer |
11/27/2013 | CN203312768U Energy storage motor protector |
11/27/2013 | CN203312767U Generator protecting device |
11/27/2013 | CN203312766U Sintering synchronous machine protector |