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