| 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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| 04/17/2013 | CN202886390U Portable speed testing device with under-voltage protection function |
| 04/17/2013 | CN103051282A Variable-frequency and industrial frequency switching device and switching method of Variable-frequency and industrial frequency switching device |
| 04/17/2013 | CN103051253A Self-starting method of stalled motor and outage and self-starting control circuit |
| 04/17/2013 | CN103050950A Differential protection method applicable to power distribution network |
| 04/17/2013 | CN103050949A Calculation method for relay protection fixed value backup protection range |
| 04/17/2013 | CN103050948A Instant single-phase earth fault processing device |
| 04/17/2013 | CN103050947A Varistor or discharge tube with temperature protection function |
| 04/17/2013 | CN103050946A High-voltage frequency converter with over-current protection function and over-current protection method of frequency converter |
| 04/17/2013 | CN103050945A Power supply controller and power supply managing and controlling method |
| 04/17/2013 | CN103050944A Traction motor controller for electric vehicle |
| 04/17/2013 | CN103050943A Generator injection-type stator ground protection method applicable to single-point and dual-point grounding systems |
| 04/17/2013 | CN103050942A Current transformer (CT) saturation detection method based on Hilbert-Huang transformation (HHT) |
| 04/17/2013 | CN103050941A Morphological gradient-based identification method for magnetizing inrush current of transformer |
| 04/17/2013 | CN103050213A Superconducting coil, superconducting energy storage device and control method |
| 04/17/2013 | CN103047809A 冰箱 Refrigerator |
| 04/17/2013 | CN101986545B Inverter driving device based on digital signal processor (DSP) and complex programmable logic device (CPLD) |
| 04/17/2013 | CN101957877B Over-line fault network equating method of multi-circuit transmission lines in one tower with different voltage classes |
| 04/17/2013 | CN101924517B Inverter device |
| 04/17/2013 | CN101909383B Over-voltage locking protection circuit and power drive circuit using same |
| 04/17/2013 | CN101009428B Overpower-protection circuit and power supply apparatus having the same |
| 04/16/2013 | US8422178 Hybrid power relay using communications link |
| 04/16/2013 | US8421929 Display apparatus and power supplying method thereof |
| 04/16/2013 | US8421540 Method and apparatus for run-time short circuit protection for amplifiers |
| 04/16/2013 | US8421423 Output control apparatus of generator |
| 04/16/2013 | US8421388 Multi-phase rotary machine control apparatus and electric power steering system using the same |
| 04/11/2013 | WO2013052724A1 Input/output power and signal transfer isolator device |
| 04/11/2013 | WO2013051351A1 Switching power supply circuit with protective function |
| 04/11/2013 | WO2013050196A1 Method and device for discharging an inverter capacitor |
| 04/11/2013 | WO2012075725A9 Harmonic wave protecting method for capacitor bank |
| 04/11/2013 | US20130090242 Techniques for Sub-Cooling in a Superconducting System |
| 04/11/2013 | US20130088799 Asset Condition Monitoring in an Electric Motor |
| 04/11/2013 | DE102012215542A1 Schutz- und/oder Diagnoseeinrichtung für Mehrspannungsbordnetz, Mehrspannungsbordnetz und Verfahren zum Betrieb eines Mehrspannungsbordnetzes Protection and / or diagnostic device for multi-voltage electrical system, multi-voltage electrical system and method for operating a multi-voltage electrical network |
| 04/11/2013 | DE102012109012A1 Schaltungsanordnung für ein Solarkraftwerk mit einer Gleichspannungsquelle für eine Offsetspannung Circuit arrangement for a solar power plant with a direct voltage source for a voltage offset |
| 04/11/2013 | DE102012105909A1 Außenspiegel-Steuerverfahren für ein Fahrzeug Mirrors control method for a vehicle |
| 04/11/2013 | DE102011115550A1 Lithium-Ionen-Batterie Lithium-ion battery |
| 04/11/2013 | DE102011089851B4 Vorrichtung zur unterbrechungsfreien Stromversorgung von elektrischen Verbrauchern und Verfahren zum Betrieb der Vorrichtung Apparatus for uninterruptible power supply electrical consumers and procedures for operating the device |
| 04/11/2013 | DE102011084274A1 Verfahren und Vorrichtung zur Überwachung von Stromspitzen in einem EVG Method and apparatus for monitoring current peaks in an ECG |
| 04/11/2013 | DE102011084230A1 Verfahren zum Betreiben eines Umsetzers für einen Startermotor Method for operating a converter for a starter motor |
| 04/11/2013 | DE102011084006A1 Steuereinheit für ein Kraftfahrzeug Control unit for a motor vehicle |
| 04/11/2013 | CA2851360A1 Input/output power and signal transfer isolator device |
| 04/10/2013 | EP2577827A1 Method and system for online ferroresonance detection |
| 04/10/2013 | EP2577697A2 Arc flash detection apparatus and electrical system including the same |
| 04/10/2013 | CN202872702U Star-delta close-type switching stator with microcomputer protection |
| 04/10/2013 | CN202872701U Control device for three-phase alternating-current motors |
| 04/10/2013 | CN202872693U Solar power generation system controller based on controller area network (CAN) bus |
| 04/10/2013 | CN202872666U Isolation high-voltage output module power supply |
| 04/10/2013 | CN202872640U A power supply module capable of outputting in variable and low cross regulation rates |
| 04/10/2013 | CN202872581U Burning-resistant motor |
| 04/10/2013 | CN202872463U Intelligentized electric-power carrier-wave classification closing apparatus |
| 04/10/2013 | CN202872418U Solar charger with functions of electric quantity displaying and temperature protection |
| 04/10/2013 | CN202872392U Intelligent control device of nano lead-acid storage battery |
| 04/10/2013 | CN202872352U Transverter valve blocking device based on flexible DC power transmission system |
| 04/10/2013 | CN202872351U Storage battery fusing protective device provided with state monitoring indication lamps |
| 04/10/2013 | CN202872350U Anti-bulging protection device of rechargeable battery |
| 04/10/2013 | CN202872349U Circuit system using IGBT temperature to control derating of output power of inverter |
| 04/10/2013 | CN202872348U Protection device for preventing frequent starting and power failure of frequency converter |
| 04/10/2013 | CN202872347U Open-phase protection circuit for motor power supply |
| 04/10/2013 | CN202872346U Motor protection device and motor using same |
| 04/10/2013 | CN202872345U Motor controller temperature protection device |
| 04/10/2013 | CN202872344U Motor of liquid silicone rubber injection machine |
| 04/10/2013 | CN202872343U Liquid silicone rubber injection machine circuit |
| 04/10/2013 | CN202872342U Electrical control device for roller shutter door motor |
| 04/10/2013 | CN202872341U Motor controller |
| 04/10/2013 | CN202872340U Intelligent protection starting control cabinet for high-pressure submersible electric pump |
| 04/10/2013 | CN202872339U Photocoupling multifunctional integrated protector |
| 04/10/2013 | CN202872338U Power generator protection device with de-excitation protection and overvoltage protection functions |
| 04/10/2013 | CN202872337U Power generator protection device with anti-electromagnetic interference characteristic |
| 04/10/2013 | CN202872336U Protective line for transformer short circuit detection |
| 04/10/2013 | CN202872335U Circuit protection device for self-coupling voltage reduction starting box |
| 04/10/2013 | CN202872324U Protection circuit and switching power supply with same |
| 04/10/2013 | CN103036469A High-voltage pulse power supply |
| 04/10/2013 | CN103036454A Power supply, power management device and low-voltage and excess-temperature protective method |
| 04/10/2013 | CN103036450A Access control system power supply |
| 04/10/2013 | CN103036439A Direct current wide-range input power supply |
| 04/10/2013 | CN103036351A Motor and applied dryer thereof |
| 04/10/2013 | CN103036271A 充电器 Charger |
| 04/10/2013 | CN103036219A Low-voltage micro-grid comprehensive protection method |
| 04/10/2013 | CN103036218A Improved zero-sequence reactance relay protection device and method |
| 04/10/2013 | CN103036217A Protective method for closed-loop running of power distribution network |
| 04/10/2013 | CN103036216A System and clock synchronization method applied to intelligentized converting station digitization busbar differential protection |
| 04/10/2013 | CN103036215A Drive circuit with output protection and drive protection circuit thereof |
| 04/10/2013 | CN103036214A Power switch series circuit and control method thereof |
| 04/10/2013 | CN103036213A Charging protection device capable of prolonging service life of lead-acid battery |
| 04/10/2013 | CN103036212A Battery output short-circuit protection circuit |
| 04/10/2013 | CN103036211A High-frequency high-pressure high-power switch power source main circuit protective circuit |
| 04/10/2013 | CN103036210A Layering sectional type capacitive balance control method based on look-up table |
| 04/10/2013 | CN103036209A Novel under-voltage protective circuit in motor driver chip |
| 04/10/2013 | CN103036208A Door and window lifting motor control device with low cost and high reliability |
| 04/10/2013 | CN103036207A Over-voltage protection speed regulation circuit and over-voltage protection method for outer rotor electronic controlled draught fan |
| 04/10/2013 | CN103036206A Detecting approach and device of motor controller pre-fill line breakdown |
| 04/10/2013 | CN103036205A Electronic protector for compressor |
| 04/10/2013 | CN103036194A Short-circuit protection circuit based on hall current sensor and digital voltage comparator |
| 04/10/2013 | CN103033674A Motor current detection apparatus, motor controller, and electric power tool |
| 04/10/2013 | CN102261914B Gyro north finder |
| 04/10/2013 | CN102253292B RTDS-based platform and method for function test of circuit protective relaying device |
| 04/10/2013 | CN102111007B Battery charging circuit with protection function and seat-type charger |
| 04/10/2013 | CN102097925B Concatenated high voltage frequency converter bypassing processing method |
| 04/10/2013 | CN102064047B Relay and switching tube parallel circuit suitable for high-pressure direct current occasion |
| 04/10/2013 | CN102035191B 一种igbt模块过温保护电路 One kind of over-temperature protection circuit module igbt |
| 04/10/2013 | CN102005744B Method for forming differential current based on current slow attenuation of differential current zero crossing identification CT (computed tomography) |