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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05/12/2010 | CN101170256B Quick switch-back protection method for local power grid power generation unit |
05/12/2010 | CN101123364B Over charging/discharging protection circuit for charging/discharging system of multiple serial battery |
05/12/2010 | CN101029915B Method for measuring winding temperature and overheat protecting AC inductive motor |
05/11/2010 | US7715157 Semiconductor device and trimming method of the same |
05/11/2010 | US7714545 Controller of generator for vehicle |
05/06/2010 | WO2010050858A1 A method and device for decreasing risk of electric shock from a hybrid electric vehicle in case of system failure |
05/06/2010 | WO2010013824A4 Electrostatic atomizing device and air conditioner using same |
05/06/2010 | US20100110594 Fast response failure mode control methodology for a hybrid vehicle having an electric machine |
05/06/2010 | US20100110593 Power factor correction circuit and driving method thereof |
05/06/2010 | US20100109591 Heat dissipation device and fan module thereof |
05/06/2010 | US20100109588 Motor drive circuit and electric power steering apparatus |
05/06/2010 | DE102009049994A1 Kühlleistungs-Messverfahren für eine Wechselrichtervorrichtung Cooling power measurement method for an inverter device |
05/05/2010 | EP2182606A2 An input surge protection device using JFET |
05/05/2010 | EP2182605A1 Switch assembly for protecting electronic devices against faulty logic voltages |
05/05/2010 | EP2181481A1 Mitigation of propagation of thermal runaway in a multi-cell battery pack |
05/05/2010 | CN201450486U Intelligent remote motor monitor |
05/05/2010 | CN201450481U Control circuit of motor of blower unit |
05/05/2010 | CN201450456U Switch power supply with progressive current overload and saturation prevention functions |
05/05/2010 | CN201450357U constant-current charger |
05/05/2010 | CN201450353U charger |
05/05/2010 | CN201450352U Household wind-solar complementary power supply |
05/05/2010 | CN201450324U Surge absorber |
05/05/2010 | CN201450322U Intelligent microcomputer integrated protective device with fast bus protection function |
05/05/2010 | CN201450321U Intelligent type microcomputer integrated protection device with working power supply therein |
05/05/2010 | CN201450320U Intelligent microcomputer integrated protective device with temperature monitoring function |
05/05/2010 | CN201450319U Overheating protection device of circuit breaker |
05/05/2010 | CN201450318U Automatic false ground preventive low-voltage power distribution device |
05/05/2010 | CN201450317U Lithium battery large-current fast-charging protection circuit |
05/05/2010 | CN201450316U Two-lithium-battery charging protection circuit |
05/05/2010 | CN201450315U Battery charger output protective circuit |
05/05/2010 | CN201450314U Battery overdischarge protection circuit for solar lawn lamp |
05/05/2010 | CN201450313U Anti-interference switch power supply device of construction machinery electronic equipment |
05/05/2010 | CN201450312U Full-automatic three-phase motor energy saver with protection function |
05/05/2010 | CN201450311U Temperature control circuit of motor |
05/05/2010 | CN201450310U Motor starting rotating speed locking protection device |
05/05/2010 | CN201450308U 过热保护器 Overheating protection |
05/05/2010 | CN201449535U Tobacco curing control system |
05/05/2010 | CN201445418U Overload protection device for multifunctional household food processor |
05/05/2010 | CN1871745B Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
05/05/2010 | CN101702609A Generator de-excitation method by utilizing auxiliary inversion pulse generator to participate in de-excitation |
05/05/2010 | CN101702604A Multi-functional electric motor protecting and starting device |
05/05/2010 | CN101702581A Home-use 2000w constant voltage and constant frequency regulator |
05/05/2010 | CN101702519A Lightning protection device of pitch-controlled system |
05/05/2010 | CN101702515A Inter-phase arc short circuit protecting device of circuit breaker |
05/05/2010 | CN101702514A Battery protection control device |
05/05/2010 | CN101702513A Motor protecting device |
05/05/2010 | CN101702512A Negative sequence impedance direction protection method for interior failures of stator winding of steamer generator |
05/05/2010 | CN101702511A Intelligent oil-immersed transformer |
05/05/2010 | CN101701998A Novel faulty line selection method in low current faulty grounding system |
05/04/2010 | US7710750 Inverter with time counting function |
05/04/2010 | US7710702 Primary side control module and method for protection of MOSFET against burnout |
05/04/2010 | US7710700 DC/DC converter with current limit protection |
05/04/2010 | US7710698 Distance protection relay and method |
05/04/2010 | US7710693 Apparatus and method for providing protection for a synchronous electrical generator in a power system |
05/04/2010 | US7710692 Superconductor component with improved electrical contact |
04/29/2010 | WO2010047046A1 Failure diagnosis circuit, power supply device, and failure diagnosis method |
04/29/2010 | WO2010045964A1 Protection system of a doubly-fed induction machine |
04/29/2010 | WO2009107563A3 Electric rotating tool, control method, and program |
04/29/2010 | WO2009102082A3 Electric rotating tool |
04/29/2010 | WO2007037974A3 Power control system and method |
04/29/2010 | US20100103706 Snubber circuit |
04/29/2010 | US20100103567 Circuit arrangement for protecting electronic devices against incorrect logic voltages |
04/29/2010 | US20100102767 Control apparatus for hybrid drive system |
04/29/2010 | US20100102630 Method and system for managing an automotive electrical system |
04/29/2010 | DE102008043047A1 Schutzschaltung und Messgerät mit einer solchen Schutzschaltung Protection circuit and measuring instrument with a RCD circuit |
04/29/2010 | CA2738829A1 Protection system of a doubly-fed induction machine |
04/28/2010 | CN201444626U Energy-saving asynchronous motor control cabinet |
04/28/2010 | CN201444575U Electric power system circuit breaker fracture puncture protection device |
04/28/2010 | CN201444574U Automatic power off device for preventing over discharge of automobile storage battery |
04/28/2010 | CN201444573U Power protection circuit and television with same |
04/28/2010 | CN201444572U Over-current protection circuit |
04/28/2010 | CN201444571U Overspeed preventer for motors |
04/28/2010 | CN201444570U Intelligent anti-explosion electric actuating mechanism |
04/28/2010 | CN201443434U Steam turbine diesel generator system for assembly |
04/28/2010 | CN1830091B H-bridge with single lead frame |
04/28/2010 | CN1638224B Semiconductor device and semiconductor device module |
04/28/2010 | CN101699688A Relay protection method and relay protection device |
04/28/2010 | CN101699687A Box transformer phase-lacking protective device |
04/28/2010 | CN101699686A Protection device of switch power supply and method thereof |
04/28/2010 | CN101699685A Electromotor protector |
04/28/2010 | CN101699684A Control-protection circuit for ground-brush motor locking |
04/28/2010 | CN101699583A On-load tap changing overload locking-out repeating device of electric power main transformer |
04/28/2010 | CN101699306A Method for monitoring current acquisition circuit of electric power secondary system |
04/28/2010 | CA2643684A1 A multi-battery system for high voltage applications with proportion power sharing |
04/27/2010 | US7706158 Amplifier with switchmode power supply |
04/27/2010 | US7706111 Motor lock detection circuit |
04/27/2010 | US7705568 Power-generator control apparatus for addressing occurrence of voltage transient |
04/27/2010 | US7705554 Circuit arrangement and method for adjusting the power consumption of a load that can be operated by a direct-voltage system |
04/22/2010 | WO2010044877A2 Life safety device with extended shelf life |
04/22/2010 | WO2010043014A1 Fast three-phase reclosing method in shunt reactor compensated transmission lines |
04/22/2010 | US20100097732 Method and apparatus for limiting torque in an electric drive motor |
04/22/2010 | US20100097731 Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker |
04/22/2010 | US20100097038 Electronic control for a hydraulically driven generator |
04/22/2010 | DE202010001197U1 Elektronischer Überstromauslöser für Schutzschalter Electronic trip for circuit breaker |
04/22/2010 | DE102005063069B4 Luftreinigungsgerät mit luftdurchsatzabhängiger Hochspannungserzeugung Air cleaner with air flow rate is dependent high-voltage generation |
04/22/2010 | CA2741012A1 Life safety device with extended shelf life |
04/21/2010 | EP2176934A2 A method for managing a fault event in a network for distributing electrical energy, and a corresponding electronic protection unit. |
04/21/2010 | EP1354330B1 Safety electrical outlet with logic control circuit |
04/21/2010 | EP1287610B1 Method for determining the position of an element driven by the drive shaft of a direct current motor |
04/21/2010 | CN201440605U Motor self-diagnostic protective device |