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)
06/2011
06/30/2011WO2011077814A1 Secondary battery voltage detecting system
06/30/2011WO2011076742A2 Reconfigurable inverter having failure tolerance for powering a synchronous poly-phase motor having permanent magnets, and assembly including said inverter and motor
06/30/2011WO2011076460A1 Wiper controller
06/30/2011WO2010077830A3 Power grid outage and fault condition management
06/30/2011US20110157931 Resonant power converter
06/30/2011US20110157930 Power input stabilizing circuit
06/30/2011US20110157752 Overcurrent detection circuit, inverter, compressor, and air-conditioning machine, and adjusting method for adjusting overcurrent detection circuit
06/30/2011US20110156629 Electric power steering device
06/30/2011US20110156627 Motor drive and electric power steering apparatus using the same
06/30/2011US20110156620 Battery protection system and method thereof
06/30/2011DE102010061528A1 Motorantriebsvorrichtung und dieselbe verwendende elektrische Servo-Lenkvorrichtung Motor driving apparatus used and the same electric power steering device
06/30/2011DE102010061501A1 Motorantriebsvorrichtung, elektrische Servolenkvorrichtung, die diese verwendet und Verfahren zur Fehlererfassung in selbiger Motor driving apparatus, electric power steering apparatus that uses this method, and for error detection at that
06/30/2011DE102009060731A1 Electronic brush switch-off unit for network-dependent braked electric motor, has electric motor disconnected from network by semiconductor switch when predetermined braking time is exceeded
06/30/2011DE102004064132B4 Electrical storage device module e.g. for battery has controllable switch for interrupting power supply from battery, on detecting that battery current fluctuation falls below predetermined value over predetermined time
06/29/2011EP2339716A1 Battery pack and line open detecting method thereof
06/29/2011EP2338224A1 Protection system of a doubly-fed induction machine
06/29/2011EP2338214A1 Device having a converter
06/29/2011EP1977091B1 Miniature electric power generator and system and method for controlling a miniature electric power generator
06/29/2011EP1929604B1 Control system and method for controlling a permanently excited electric motor
06/29/2011CN201887722U Flameproof and intrinsic safety type variable-frequency speed regulating device for mines
06/29/2011CN201887706U Water resistance starting control device for medium-voltage motor rotor
06/29/2011CN201887692U Solar power supply device with power output circuit
06/29/2011CN201887691U Solar power supply device with overdischarge protective circuit
06/29/2011CN201887559U Remote monitoring device for capacitance compensation cabinet
06/29/2011CN201887549U Intelligent component device for monitoring circuit breaker
06/29/2011CN201887544U Slide stop device for tap switch of main-transformer integrated in RTU
06/29/2011CN201887538U Network intelligent type relay protector based on ADSP BF518
06/29/2011CN201887503U Solar power supply device with reverse-charge prevention circuit
06/29/2011CN201887488U Power supply management system of power type lithium battery pack
06/29/2011CN201887474U Intelligent harmonic-resistant capacitor
06/29/2011CN201887467U Automatic power converter
06/29/2011CN201887447U Single-phase overvoltage protector
06/29/2011CN201887446U Adaptive relay protection device based on radial basis function neural network
06/29/2011CN201887445U One-phase earth fault isolation system for distribution network
06/29/2011CN201887444U Electric grounding comprehensive protector for TXHPT
06/29/2011CN201887443U Direct-current power distribution structure
06/29/2011CN201887442U Online monitoring system for mechanical characteristics of intelligent high-voltage switch
06/29/2011CN201887441U Charging safety protection circuit of communication power supply
06/29/2011CN201887440U Power battery pack safety protector
06/29/2011CN201887439U System with an adjustable speed driver
06/29/2011CN201887438U Main driving device of crushing machine
06/29/2011CN201887437U Two-point grounding protective device for iron core of resistance type transformer
06/29/2011CN201887436U Neutral arrester rod-rod gap combined device of transformer
06/29/2011CN201887435U Self-protection device of small-sized transformer
06/29/2011CN201887434U Lightning protection transformer
06/29/2011CN201887433U Five-section-type terminal protection device of power distribution monitoring system
06/29/2011CN201887432U Overcurrent protection device for secondary coil of voltage transformer
06/29/2011CN201887431U Comprehensive protector of mine flameproof intelligent noncontact coal electric drill
06/29/2011CN201887430U Special protector for submersible sewage pump
06/29/2011CN201880600U High-frequency and high-voltage power supply for electric precipitator
06/29/2011CN102113165A 保护电路、以及电池组件 Protection circuit, and the battery pack
06/29/2011CN102111007A Battery charging circuit with protection function and seat-type charger
06/29/2011CN102110978A Method and device for high-accuracy low-current intelligent grounding wire selection
06/29/2011CN102110977A Over-voltage protection method for DC bus voltage of wind power current transformer and circuit adopting same
06/29/2011CN102110976A Protection circuit for battery pack
06/29/2011CN102110975A Microcomputer monitoring motor protector
06/29/2011CN102110974A Explosion-proof type temperature intelligent control method for mining motor
06/29/2011CN102110973A Relay protection safety automatic technology of power system
06/29/2011CN102110356A RF (Radio Frequency) data communication system of electric water heater
06/29/2011CN102108942A 风力发电系统及其控制方法 Wind power generation system and control method
06/28/2011US7969702 Intelligent power supply and cable system
06/28/2011US7969695 Superconducting magnetic coil with a quench protection circuit, and MRT apparatus embodying same
06/28/2011US7969694 Diode loss detection for low side MOSFET of a synchronous output stage
06/28/2011US7969107 Motor control device
06/23/2011WO2011072732A1 Protection for parallel lines in an electrical power supply system
06/23/2011WO2011072535A1 Intelligent control system for high-voltage switch and control method thereof
06/23/2011WO2011032693A3 Low-maintenance electronic component for the prevention of reverse currents and for the simultaneous protection from excess currents in photovoltaic systems
06/23/2011WO2011021880A3 System and method for preventing excessive charging or excessive discharging of batteries
06/23/2011US20110152102 Device and method of measuring electrical dissipation in a superconducting coil
06/23/2011US20110149620 Device and Method for Limiting Drain-Source Voltage of Transformer-Coupled Push Pull Power Conversion Circuit
06/23/2011US20110149619 Method and apparatus for varying current limit to limit an output power of a power supply
06/23/2011US20110149446 Electronic system and protection method for electric motors
06/23/2011US20110149445 Fault Clearing for Permanent Magnet Machines
06/23/2011US20110148366 Vehicle ac generator
06/23/2011US20110148362 Over-voltage protection circuit
06/23/2011CA2783893A1 Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults
06/23/2011CA2724136A1 System and method for detecting a switching device malfunction
06/22/2011EP2337177A1 Electronic system and protection method for electric motors
06/22/2011EP2337176A2 Ground fault detection system and method
06/22/2011EP2335333A1 Protective circuit for an intermediate circuit of an inverter, particularly a solar inverter, against overvoltages
06/22/2011EP2229307B1 Method for the detection of a thermal overload situation in a hand-held power tool
06/22/2011EP1721375B1 Protective device for a consumer branch
06/22/2011DE102010053942A1 Breaking and bypassing circuit for breaking or bypassing cell of battery of vehicle i.e. electric vehicle, has control device designed and programmed to reversibly apply protective switch signal to protective switch for activating switch
06/22/2011DE102010026246A1 Multipolar circuit-breaker for low-voltage for interrupting phase stream flowing through conductor by electronic trigger unit, has multiplexer providing voltage to input of amplifier whose output is connected with trigger unit
06/22/2011DE102010001048A1 Verfahren zum Betreiben eines elektrischen Leuchtmittels sowie Betriebsschaltung A method of operating an electric bulb and operating circuit
06/22/2011DE102009059884A1 Netztrennung mit Halbleiterschaltern für Elektrowerkzeuge Mains separation with semiconductor switches for power tools
06/22/2011DE102009058729A1 Electrical system for use in vehicle, has switch breaking electrical connection between battery pole and support point during release of switch, and separation element forming electrical connection of system-components connected to pole
06/22/2011DE102009055055A1 Verfahren zur Fehlererkennung bei einer durch einen Wechselrichter angesteuerten elektrischen Maschine in einem Kraftfahrzeug und Vorrichtung zur Überwachung eines Betriebs der elektrischen Maschine A method of detecting faults in an driven by an inverter electric machine in a motor vehicle and a device for monitoring an operation of the electrical machine
06/22/2011DE102009054834A1 Connector cable for use in e.g. distribution socket, has coupling connected with counter piece of electric device so that resistance of measuring circuit is measured and warning signal is output during resistance exceedance
06/22/2011DE102009054715A1 Circuit arrangement for actuating electric motor utilized for driving fan to cool internal combustion engine of motor vehicle, has lines running between controller and contact, and voltage measuring device arranged in circuit for resistor
06/22/2011DE102004040074B4 Blockierschutz für einen permantenterregten Elektromotor-Antrieb Anti-lock for a permantenterregten electric motor drive
06/22/2011CN201878049U Intelligent header box for photovoltaic power generation
06/22/2011CN201878036U Inverter-type welding and cutting power supply with PFC function
06/22/2011CN201878021U Output intrinsically safe power supply device
06/22/2011CN201878014U Feedback load energy-saving circuit for aging testing
06/22/2011CN201877946U Electric glass lifter motor of cars
06/22/2011CN201877850U Lithium battery stand-by power supply
06/22/2011CN201877814U Controller for circuit breaker
06/22/2011CN201877813U Adjustable intelligent control device for leakage circuit breakers
06/22/2011CN201877812U Tripping control system for relay protection