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