Patents
Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
05/2010
05/12/2010CN101707166A Built-in B type intelligent circuit breaker with automatic closing function
05/12/2010CN101707165A Built-in A type intelligent circuit breaker with automatic closing function
05/12/2010CN101162843B Combined uninterrupted power supply
05/12/2010CN101001015B Anti-surge protection circuit and power socket including the circuit
05/11/2010US7715165 System and method of surge protection in a powered device
05/11/2010US7715162 Optically triggered electro-static discharge protection circuit
05/11/2010US7715161 Device for storing electrical energy
05/11/2010US7715160 Monitoring a load driven by a power semiconductor switch
05/11/2010US7715158 Circuit interrupter with live ground detector
05/11/2010US7714587 Systems and methods for detecting a faulty ground strap connection
05/06/2010WO2010050858A1 A method and device for decreasing risk of electric shock from a hybrid electric vehicle in case of system failure
05/06/2010WO2010050083A1 Protection relay and method for controlling transmission level of the same
05/06/2010WO2010048973A1 Differential protection method and differential protection device
05/06/2010WO2010048972A1 Fault location in electrical power supply grids using the distance protection principle
05/06/2010WO2010029538A3 Method and system for a safe electricity flow for an electrical devices and systems and for controlling the electricity flow in the wires and reducing electricity radiation and electricity consumption
05/06/2010US20100110600 Switching controller and switching control system for circuit breaker
05/06/2010US20100110599 Overcurrent protection apparatus
05/06/2010US20100110597 Drive amplifier system and over-current detection method for the same
05/06/2010DE102008053702A1 Schaltungsanordnung zum Schutz von elektronischen Einrichtungen gegen fehlerhafte Logikspannungen Circuit arrangement for protecting electronic devices against faulty logic voltages
05/06/2010DE102008043402A1 Method for protecting e.g. generator regulator attached to electrical system of motor vehicle from overvoltage, involves supplying overvoltage of energy-consuming load for diminishing overvoltage
05/06/2010DE102007033103B4 Verpolschutzeinrichtung für Bordnetze von Kraftfahrzeugen Polarity reversal protection for electrical systems of motor vehicles
05/05/2010EP2182604A1 Electrical power supply monitoring apparatus
05/05/2010EP2182603A1 Intelligent electrical energy management system device
05/05/2010CN201450651U Fluorescent lamp short-circuit prevention protector
05/05/2010CN201450358U Emergency mobile direct current supply device
05/05/2010CN201450326U 10kv outdoor combined-type overvoltage protector
05/05/2010CN201450318U Automatic false ground preventive low-voltage power distribution device
05/05/2010CN201450307U Protective circuit of testing power supply
05/05/2010CN201450292U Portable multifunctional power box with plate connector of 380 V and 220 V
05/05/2010CN201449652U Electric device for alarming cyclic waves
05/05/2010CN201449535U Tobacco curing control system
05/05/2010CN1988099B Leakage current detection breaker with fire-proof shield
05/05/2010CN1950982B Automatic reset device particularly for residual current-operated circuit breakers and the like
05/05/2010CN1842951B Method and safety device for ground fault protection circuit
05/05/2010CN101702519A Lightning protection device of pitch-controlled system
05/05/2010CN101702517A Energy-saving outdoor grid current limiting device
05/05/2010CN101702510A Home-use self-recovering leakage-current alarm and power-failure protection device
05/05/2010CN101702509A Blocking surge protection device
05/05/2010CN101702508A Two-way blocking-up type surge protection device
05/05/2010CN101702507A Method and device for essential safety anti-explosion based on dynamic monitoring and cut-off of electric spark
05/05/2010CN101702506A Method and device for rapidly detecting short-circuit fault of power system
05/04/2010US7711993 JTAGchain bus switching and configuring device
05/04/2010US7711982 Method and apparatus of recording data in the optical recording medium
05/04/2010US7711502 Power switching control apparatus
05/04/2010US7710750 Inverter with time counting function
05/04/2010US7710701 System and method for providing a process, temperature and over-drive invariant over-current protection circuit
05/04/2010US7710699 Current limitation in an inductance with a limit current adaptation
05/04/2010US7710697 Hybrid system for electronically resetable circuit protection
05/04/2010US7710696 Transient detection circuit for ESD protection
05/04/2010US7710694 Earth leakage breaker
05/04/2010US7710693 Apparatus and method for providing protection for a synchronous electrical generator in a power system
05/04/2010US7709977 Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network
04/2010
04/29/2010WO2010046365A1 Multi-staged overvoltage protection circuit, in particular for information-technology systems
04/29/2010WO2010046247A1 Protective circuit and measuring device having such a protective circuit
04/29/2010WO2010006094A3 Fault protector for opto-electronic devices and associated methods
04/29/2010US20100103706 Snubber circuit
04/29/2010US20100103581 Surge arrester having a varistor arrangement and varistor module for use in a surge arrester
04/29/2010US20100103580 Frequency translation module protection circuit
04/29/2010US20100103579 Multi-battery system for high voltage applications with proportional power sharing
04/29/2010US20100103578 Electrical stress protection apparatus and method of manufacture
04/29/2010US20100103577 Apparatus and method for preventing reverse power flow of over current relay
04/29/2010US20100103576 Glow plug driver
04/29/2010US20100103575 Floating protection circuit and photo-flash capacitor charger thereof
04/29/2010US20100103568 Afci device
04/29/2010US20100103566 Protection circuit and portable electronic device employing the same
04/29/2010DE102008052949A1 Verfahren zum Schutz vor Überspannung in einem an ein Stromversorgungsnetz angeschlossenen System, Überspannungsschutzgerät und Anordnung mit einem solchen Procedures to protect against overvoltage in a computer connected to a power supply network system, surge protection device and arrangement with such
04/29/2010DE102008043047A1 Schutzschaltung und Messgerät mit einer solchen Schutzschaltung Protection circuit and measuring instrument with a RCD circuit
04/28/2010EP2180569A2 Method for protecting from excess voltage in a system attached to an electricity supply network, excess voltage protection device and assembly with such a system
04/28/2010CN201444620U Anti-interference electricity voltage stabilizer of direct-current equipment
04/28/2010CN201444569U Anti-instantaneous power failure compensating tank
04/28/2010CN201444568U Voltage-regulating screen type power supply board overpressure warning device
04/28/2010CN201444567U Shower room safe electricity control device having time-sharing detection function
04/28/2010CN201444566U Automatic reclosing device for current-limiting protection
04/28/2010CN201444565U Electronic control device utilizing low-current mutual transducer to detect high current
04/28/2010CN201444513U Current-limiting delay reset socket
04/28/2010CN101699683A 欠压脱扣器 Undervoltage release
04/28/2010CN101699682A Breaker for preventing wire break
04/28/2010CN101699681A Overcurrent cutting device for clothing processing device
04/27/2010US7706927 Circuit breaker configuration
04/27/2010US7706295 Methods and apparatus for breaking and resynchronizing a data link
04/27/2010US7706115 Over-voltage indicator and related circuit and method
04/27/2010US7706113 Electrical overstress (EOS) and electrostatic discharge (ESD) protection circuit and method of use
04/27/2010US7706112 Active clamp protection device
04/27/2010US7706110 Compact superconducting current limiting component in coil configuration with low inductance
04/27/2010CA2470988C Self testing digital fault interrupter
04/22/2010WO2010001057A3 Method for electrically securing an electrical power supply of an electrically controlled lighting system or system with variable optical properties and use of the electrically secured system
04/22/2010US20100097737 Load driving device
04/22/2010US20100097736 Method and an apparatus for protecting a bus in a three-phase electrical power system
04/22/2010US20100097733 Arc fault circuit interrupter, systems, apparatus and methods of detecting and interrupting electrical faults
04/21/2010EP2178185A2 Motor drive ground fault detection
04/21/2010EP2178184A1 Protection device for supply circuit with positive and negative double power
04/21/2010EP2176934A2 A method for managing a fault event in a network for distributing electrical energy, and a corresponding electronic protection unit.
04/21/2010EP2176932A2 Circuit interrupter including test circuit
04/21/2010EP1354330B1 Safety electrical outlet with logic control circuit
04/21/2010CN201440748U Overvoltage and overtemperature protection circuit
04/21/2010CN201440602U Automatic current control device
04/21/2010CN1558091B Downhole used electrization and leak observation circuit
04/21/2010CN101697430A Power control method based CT electricity getting device of high voltage transmission line
04/21/2010CN101697413A Protective device of direct current power supple for communication equipment
04/21/2010CN101697410A Short-circuit protection circuit adopted in battery charger circuit