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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04/29/2014 | US8710784 Vehicle seating system and method for reducing fatigue with changing actuator movement |
04/29/2014 | US8710780 Motor drive component verification system and method |
04/24/2014 | WO2014062397A1 Full-duplex signaling for arc event protection |
04/24/2014 | WO2014061376A1 Charging control device |
04/24/2014 | WO2014060527A1 System for protection of a plurality of dc voltage sources |
04/24/2014 | WO2014060181A1 Protection circuit arrangement for a multi-voltage power supply |
04/24/2014 | WO2014060085A2 Method of operate is-limiters in ring systems |
04/24/2014 | WO2014060014A1 Method for operating a power transformer |
04/24/2014 | WO2013132099A3 Electric unit for a pump-storage power plant |
04/24/2014 | WO2013007268A3 Power generation system and method for operating a power generation system |
04/24/2014 | US20140112033 Power supply apparatus |
04/24/2014 | US20140112032 Wind turbine fault detection circuit and method |
04/24/2014 | US20140111897 Method And Device For Protection Zone Selection In A Multiple Busbar Arrangement |
04/24/2014 | US20140111890 Bi-directional bipolar junction transistor for high voltage electrostatic discharge protection |
04/24/2014 | US20140111889 Methods to avoid a single point of failure |
04/24/2014 | US20140111888 Fault detection system and method for overspeed protection speed sensors |
04/24/2014 | DE19945824B4 Regeleinrichtung für ein elektrisch betriebenes Gebläse Control device for an electrically operated fan |
04/24/2014 | DE102012219389A1 Battery for use in motor car, has signal transmitter arranged in region of pressure-sensitive membrane, and electrical switching elements operatively connected with transmitter and formed to disconnect main electric current of battery |
04/24/2014 | DE102012219082A1 Sicherheitsvorrichtung zur Anordnung in einer Batteriezelle einer Lithium-Ionen-Batterie, Lithium-Ionen-Batteriezelle mit Sicherheitsvorrichtung A safety device for arrangement in a battery cell of a lithium-ion battery, lithium-ion battery cell with safety device |
04/24/2014 | DE102012110110A1 Wechselrichter, Verfahren zum Betreiben eines Wechselrichters und Energieversorgungsanlage mit einem Wechselrichter Inverter, method of operating an inverter and power supply system with an inverter |
04/24/2014 | DE102012020718A1 Method for detection and disconnection of electrical short circuit or arc for vehicle e.g. electric vehicle, involves adjusted switching element within second voltage level based on short circuit or arc detected between voltage levels |
04/23/2014 | EP2722954A1 Method of operate Is-limiters in ring systems |
04/23/2014 | EP2721728A2 Alternator with voltage regulation |
04/23/2014 | EP2721718A1 Power receiving device, power transmitting device, vehicle, and contactless power supply system |
04/23/2014 | EP2721703A1 Method and device for reliably monitoring a three-phase motor |
04/23/2014 | CN203562941U A switching power supply circuit with a driving chip power overvoltage protection function |
04/23/2014 | CN203562789U Lithium battery and vehicle emergency start power supply using same |
04/23/2014 | CN203562768U Reverse connection prevention circuit of storage battery |
04/23/2014 | CN203562767U Lithium battery protective plate for starting power supply |
04/23/2014 | CN203562766U Over-voltage and under-voltage protection circuit |
04/23/2014 | CN203562765U Control device of current transformer current-limiting protection system |
04/23/2014 | CN203562764U Motor overload and overheat protection device for sorter |
04/23/2014 | CN203562763U Over-torque protective device |
04/23/2014 | CN203562762U Low-capacity motor control circuit |
04/23/2014 | CN203562761U Motor protection switching circuit |
04/23/2014 | CN203562760U Circuit for performing low-voltage tripping circuit protection for SF6 in converter transformer DC side bushing |
04/23/2014 | CN203562759U Leakage inductance protection structure of distribution transformer |
04/23/2014 | CN203562758U Intelligent passive relay protection device |
04/23/2014 | CN203562757U Series reactor protection device |
04/23/2014 | CN103748735A Battery energy draining method and system |
04/23/2014 | CN103746626A Locked rotor detection method and apparatus of motor control, and motor driver |
04/23/2014 | CN103746620A Motor driver and air conditioner |
04/23/2014 | CN103746570A Rectifier and electric power equipment |
04/23/2014 | CN103746569A High-power-factor constant-voltage constant-current programmable switching power supply and power supply method |
04/23/2014 | CN103746551A Current closed loop combined regulation system of bidirectional triple DC (direct current)-DC converter |
04/23/2014 | CN103746547A Driving circuit of firefighting emergency power supply |
04/23/2014 | CN103746467A Electric field coupling-based inductive energy-obtaining device and implementation method thereof |
04/23/2014 | CN103746357A A relay protection method of a DC traction power grid |
04/23/2014 | CN103746356A Digital communication current protection technology based on IEC 61850 protocol |
04/23/2014 | CN103746355A Intelligent sectionalizer |
04/23/2014 | CN103746354A Distribution network fault isolation method based on transformer substation overcurrent protection |
04/23/2014 | CN103746353A Self-healing control system of intelligent distribution network and working method thereof |
04/23/2014 | CN103746352A Line protection phase selection method not influenced by operation mode |
04/23/2014 | CN103746351A Power system failure alarm method taking digitized substation secondary circuit signals into account |
04/23/2014 | CN103746350A High-sensitivity busbar differential protection method |
04/23/2014 | CN103746349A Circuit breaker failure protection mechanism of transformer substation and optimal configuration method for circuit breaker protection |
04/23/2014 | CN103746348A Electric wire protection method and electric wire protection device |
04/23/2014 | CN103746347A Battery protection chip and battery system |
04/23/2014 | CN103746346A Protection circuit for multiple lithium batteries |
04/23/2014 | CN103746345A Discharge over-current protection device |
04/23/2014 | CN103746344A Sine wave inverter with electric leakage protection function |
04/23/2014 | CN103746343A Switching power supply circuit of firefighting emergency power supply |
04/23/2014 | CN103746342A Boosting converter, controller for boosting converter and short circuit protection method |
04/23/2014 | CN103746341A Motor overheating protection device |
04/23/2014 | CN103746340A Intelligent monitoring device of motor |
04/23/2014 | CN103746339A Electrical door protection device |
04/23/2014 | CN103746338A Any phase-shifting angle special transformer differential protection method |
04/23/2014 | CN103746337A Relay protection device constant value modifying and checking system |
04/23/2014 | CN103746335A Amplitude comparison principle-based relay protection method |
04/23/2014 | CN103743961A Open-phase detection method and detection apparatus for three-phase permanent magnet synchronous motor |
04/23/2014 | CN103166198B System and method for power supply transformation system protection at least based on feedback signal |
04/23/2014 | CN102664392B Differential protection method based on redundancy CT (Computed Tomography) winding |
04/23/2014 | CN102623975B Method for generating current differential protection generalized node on basis of electric topology of regional distribution network |
04/23/2014 | CN102570419B Power transmission line pilot protection method based on magnitude of current |
04/23/2014 | CN102510051B Method for identifying failure of sampling value data of intelligent substation based on waveform coefficient equation |
04/23/2014 | CN102496911B Traction transformer protection method, equipment and system |
04/23/2014 | CN102496910B Fault analyzing method of multi-device internet |
04/23/2014 | CN102439815B Charging control device |
04/23/2014 | CN102403699B Self-adaptive current differential protection method for direct-current lines |
04/23/2014 | CN102315780B Power source device |
04/23/2014 | CN102280864B Post-failure live treatment method for protection device of distribution network system and portable protection device |
04/23/2014 | CN102255293B Single-ended electrical quantity full-line quick-action protection method for recognizing faults inside and outside high-voltage direct-current transmission line region |
04/23/2014 | CN102226509B Solar energy lighting device for apartment |
04/23/2014 | CN102195273B Wire-breaking judgment method in voltage transformer loop |
04/23/2014 | CN102035188B Novel thyristor overvoltage protection method |
04/23/2014 | CA2829611A1 Latching circuit for ballast |
04/22/2014 | US8705257 Switching module including a snubber circuit connected in parallel to a series-connected unit of flowing restriction elements |
04/22/2014 | US8705214 Circuit arrangement comprising at least two capacitors connected in series |
04/17/2014 | WO2014056393A1 Drive interlocking circuit preventing direct connection of bridge arms |
04/17/2014 | WO2014031895A3 Systems and methods for rotor angle measurement in an electrical generator |
04/17/2014 | DE102012218914A1 Schutzschaltungsanordnung für ein Mehrspannungsnetz Protective circuit arrangement for a multi-voltage power |
04/17/2014 | DE102012218503A1 Vehicle i.e. motor car, has socket spacer attached to board voltage socket for electrical supply and comprising switching-element, and control unit for switching switching-element based on outputs of voltage comparator and value comparator |
04/16/2014 | EP2720335A2 Circuit for controlling the energy supply to an electric device as well as an electrical device with a circuit |
04/16/2014 | EP2720332A2 Online protection coordination for distribution management system |
04/16/2014 | EP2719070A2 Method for controlling the resisting torque of a motor vehicle alternator, and system for implementing this method |
04/16/2014 | EP2719043A1 Fault identification and location in a power supply line which is fed from one side |
04/16/2014 | CN203554333U Three-phase power supply control system for diesel-engine dung pumping-applying machine |
04/16/2014 | CN203554321U IGBT rectifier circuit |
04/16/2014 | CN203554298U General-purpose assembly for switching power supply |
04/16/2014 | CN203554281U DC-DC (direct current-direct current) power supply module |