| 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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| 10/09/2013 | CN103346659A Internal radiation ring type static speed-adjusting permanent magnetic coupling |
| 10/09/2013 | CN103346544A Electric power line distance III-section protection misoperation hidden danger eliminating method and device |
| 10/09/2013 | CN103346543A Transfer intertrip electronic device of controlling cable with disconnection alarm function |
| 10/09/2013 | CN103346542A High-voltage direct-current transmission line high-resistance grounding fault identification method based on distributed parameters |
| 10/09/2013 | CN103346541A Convertor station direct current filter differential protection method and device |
| 10/09/2013 | CN103346540A Mixed line travelling wave differential motion protection method employing phase current braking |
| 10/09/2013 | CN103346539A Busbar protection method based on insulation resistance measurement |
| 10/09/2013 | CN103346538A Short-circuit protection circuit for APF high-power IGBT |
| 10/09/2013 | CN103346537A Short-circuit protection structure |
| 10/09/2013 | CN103346536A System and method used for performing two-stage protection on power conversion system |
| 10/09/2013 | CN103346535A Doubling differential protection method for converter transformer |
| 10/09/2013 | CN103346534A Relay protection method for rapid clearing of dead-zone fault of transformer |
| 10/09/2013 | CN103346527A Wireless access point with overcurrent protection and overtemperature protection |
| 10/09/2013 | CN102496937B Load balance based fault recovery method applied to intelligent distribution network |
| 10/09/2013 | CN102436766B Simulation training method of relay protection in subway OCC power dispatching |
| 10/09/2013 | CN102290802B Island detection method of AFD (active frequency drift) based on synchronous rotation coordinate system |
| 10/09/2013 | CN102157718B Safety breaker protection control system of large-capacity battery system |
| 10/09/2013 | CN101916985B Monitoring method of IGBT collector overvoltage double protection |
| 10/09/2013 | CN101814721B Direct current protection method with rectifying transformer alternating current protection in direct current power supply system |
| 10/09/2013 | CN101465539B 电池组 Battery |
| 10/08/2013 | US8553383 Under-voltage protection circuit for battery |
| 10/08/2013 | US8553379 Transformer differential protection |
| 10/08/2013 | US8553377 Electronic control device |
| 10/08/2013 | US8553376 Synchronous rectified PWM regulator with auto fault clearing |
| 10/08/2013 | US8553374 Modular circuit configuration for switching electrical power and an adapter designed to this end |
| 10/08/2013 | US8553373 Solid state power controller for high voltage direct current systems |
| 10/08/2013 | US8552694 Generator device with overvoltage monitoring |
| 10/03/2013 | WO2013148533A2 Enhanced safety for electrical appliances such as toasters |
| 10/03/2013 | WO2013148532A2 Enhanced safety for electrical appliances such as toasters |
| 10/03/2013 | WO2013146339A1 Switching power source device |
| 10/03/2013 | WO2013145562A1 Relay weld diagnostic device |
| 10/03/2013 | WO2013145495A1 Power source device |
| 10/03/2013 | WO2013143207A1 Charging protection circuit |
| 10/03/2013 | WO2013143136A1 Brushless motor with automatic temperature adjustment function |
| 10/03/2013 | WO2013007511A3 Method for controlling the rotational speed of an electric drive motor of a household appliance, and household appliance |
| 10/03/2013 | WO2012175858A3 System and method for compensating a battery charger installed in a vehicle |
| 10/03/2013 | US20130258728 Multilevel power converter |
| 10/03/2013 | US20130258532 Passive devices for finfet integrated circuit technologies |
| 10/03/2013 | US20130258530 Power supply control apparatus including overcurrent detection circuit |
| 10/02/2013 | EP2644356A2 Injection molding machine and converter |
| 10/02/2013 | EP2643930A2 Circuit arrangements for electronically controlled dc networks |
| 10/02/2013 | DE102012205136A1 Sensorvorrichtung für eine Batteriezelle eines elektrischen Energiespeichers, Batteriezelle, Verfahren zum Herstellen derselben und Verfahren zum Übertragen von Sensordaten innerhalb derselben Sensor device for a battery cell, an electrical energy accumulator, battery cell, method for producing the same and method for transmitting sensor data within the same |
| 10/02/2013 | CN203225729U IGBT (Insulated Gate Bipolar Transistor) driving circuit with switch protection |
| 10/02/2013 | CN203225577U Emergency indication power source |
| 10/02/2013 | CN203225525U A composite switch used for reactive compensation containing a protection function |
| 10/02/2013 | CN203225516U Distributed equality interaction type wide area current differential backup protection system |
| 10/02/2013 | CN203225515U Digital type anti-override trip protection device |
| 10/02/2013 | CN203225514U 220kV breaker circuit capable of preventing burnout of closing coils |
| 10/02/2013 | CN203225513U Comparison coupling circuit used for low voltage frequency converter under-voltage protection circuit |
| 10/02/2013 | CN203225512U Direct current conversion controller of large capacity battery energy storage system |
| 10/02/2013 | CN203225511U Low-frequency over-speed protection device for small hydropower generator unit |
| 10/02/2013 | CN103339814A Method for eliminating a fault on a high-voltage DC line, system for transmitting an electric current via a high-voltage dc line, and converter |
| 10/02/2013 | CN103337838A Travelling wave differential protection method of mixed line braked by using sum of phase current |
| 10/02/2013 | CN103337837A Power supply circuit protective control method |
| 10/02/2013 | CN103337836A High-power IGBT (Insulated Gate Bipolar Transistor) temperature acquisition protection circuit |
| 10/02/2013 | CN103337835A Circuit used for IGBT fault protection and self resetting |
| 10/02/2013 | CN103337834A Overcurrent protection method for motor |
| 10/02/2013 | CN103337833A Grounding transformer protection action criteria |
| 10/02/2013 | CN103337832A Direct current filter protecting method |
| 10/02/2013 | CN102237693B Intelligent charging-discharging management system for power battery pack |
| 10/02/2013 | CN102165664B Transformer inrush current suppression device |
| 10/02/2013 | CN101499644B Under-voltage protection circuit with low starting current |
| 10/01/2013 | US8547714 Output inverter for single phase and output current detecting method thereof |
| 10/01/2013 | US8547711 LLC converter active snubber circuit and method of operation thereof |
| 10/01/2013 | US8547668 Management techniques for electric power generation equipment |
| 10/01/2013 | US8547079 Voltage regulator capable of enabling overcurrent protection in a state in which an output current is large |
| 10/01/2013 | US8547046 Door closer with self-powered control unit |
| 09/30/2013 | CA2810063A1 Method and system for lightning protection with distributed transient voltage suppression |
| 09/26/2013 | WO2013140876A1 Power conversion device |
| 09/26/2013 | WO2013139009A1 Remote control-type emergency lamp |
| 09/26/2013 | WO2013101549A3 Inverter and power system with fuse protection |
| 09/26/2013 | US20130252039 Electrical bypass element, in particular for storage cells of an energy storage device |
| 09/26/2013 | US20130247778 Enhanced safety for electrical appliances such as toasters |
| 09/26/2013 | DE102012204788A1 Control apparatus for controlling high-voltage electrical system of mobile electric motor vehicle, has triggering device arranged independently of vehicle current state, to cause electrical disconnection of energy storage device |
| 09/25/2013 | EP2642656A1 Structure for output-stage film capacitor in power conditioner |
| 09/25/2013 | CN203219183U Low-voltage high-frequency switch power supply |
| 09/25/2013 | CN203219095U Motor leakage-proof junction box |
| 09/25/2013 | CN203218959U Protection circuit for charging controller of wind turbine generator |
| 09/25/2013 | CN203218948U Charger |
| 09/25/2013 | CN203218944U Charger |
| 09/25/2013 | CN203218872U Low-power-consumption nickel metal hydride battery protection circuit based on single chip microcomputer |
| 09/25/2013 | CN203218871U Low-power nickel-hydrogen battery protection circuit |
| 09/25/2013 | CN203218870U Protective plate for lithium ion automobile start battery |
| 09/25/2013 | CN203218869U Motorcycle used lithium ion start battery protection board |
| 09/25/2013 | CN203218868U Overcurrent cascade protection circuit of IGBT (Insulated Gate Bipolar Translator) |
| 09/25/2013 | CN203218867U Phase-shift controlled full-bridge single-cycle trip protection circuit |
| 09/25/2013 | CN203218866U Phase-shift controlled full-bridge half-cycle trip protection circuit |
| 09/25/2013 | CN203218865U Mine high-voltage inverter major-loop no-fuse protection apparatus |
| 09/25/2013 | CN203218864U Motor temperature insurance equipment |
| 09/25/2013 | CN203218863U Mining override tripping preventive microcomputer protection measurement and control device for motors |
| 09/25/2013 | CN203218862U Electric load switch control device having protection function |
| 09/25/2013 | CN203218861U Variable frequency electromotor protection circuit |
| 09/25/2013 | CN203218860U Controller of reduced-voltage starting cabinet |
| 09/25/2013 | CN203218859U Digital transformer differential protection device |
| 09/25/2013 | CN203218858U Mining override tripping preventive protection measurement and control device for transformers |
| 09/25/2013 | CN203217478U Microcomputer power supply circuit for energy storage system |
| 09/25/2013 | CN103329382A Method and arrangement for detecting an internal failure in h-bridge connected capacitor bank |
| 09/25/2013 | CN103329237A Accessory module providing a zone selective interlocking interface external to a trip unit, and system and circuit interrupter including the same |
| 09/25/2013 | CN103328991A Method and arrangement for an internal failure detection in a y-y connected capacitor bank |
| 09/25/2013 | CN103326531A Brushless direct-current variable frequency motor and control system using same |