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)
10/2013
10/16/2013CN101809837B Aerogenerator device
10/16/2013CN101728813B Overvoltage protection method in system connected with power supply network, overvoltage protective apparatus and equipment provided with the overvoltage protective apparatus
10/15/2013US8559156 Method and apparatus for charging or neutralizing an object using a charged piece of conductive plastic
10/15/2013US8559155 Directing the flow of electrostatic discharge (ESD) current to a targeted impedance using nested plates
10/15/2013US8559153 Circuit configuration for the joint pulse width modulation of valves with quenching
10/15/2013US8559150 Electric circuit breaker
10/15/2013US8559149 Modular primary distribution contact board
10/15/2013US8559148 Safety circuit for a household appliance
10/15/2013US8559147 Providing overvoltage protection by using redundant feedback pins
10/15/2013US8559146 Line current differential protection upon loss of an external time reference
10/15/2013US8559145 Serializer/deserializer frontend
10/15/2013US8559143 Vehicle control system
10/15/2013US8558520 Bus driver for avoiding an overvoltage
10/15/2013US8558515 Protection circuit and electronic device
10/15/2013CA2737689C Reclosing system for power transmission line
10/15/2013CA2546158C Low voltage cutoff circuit for an electrochemical cell
10/10/2013WO2013151792A1 High accuracy differential current sensor for applications like ground fault interrupters
10/10/2013WO2013151217A1 Protection apparatus and control method for the same
10/10/2013WO2013151111A1 Overheat protection circuit and overheat protection method
10/10/2013US20130265685 Arrangement for forming a thermal isolation point
10/10/2013US20130265684 Switching circuit
10/10/2013US20130265683 Circuit for protecting an electric load from overvoltages
10/10/2013US20130265681 Automatic and self-sustaining electronic system for the early detection of short circuit fault conditions
10/10/2013DE102012205383A1 Method for controlling output voltage of battery, involves monitoring generated output voltage of electrochemical modules and performing signaling when predetermined value is reached or exceeded by output voltage
10/09/2013EP2648010A1 Method for managing alarms in accordance with fault currents in an electrical facility and device for implementing said method
10/09/2013CN203233227U Solar energy cell conversion control circuit
10/09/2013CN203233165U Starting-up surge-protection circuit for camera
10/09/2013CN203233149U Low-voltage frequency converter with overcurrent protection function
10/09/2013CN203233137U Waterproof device for communication apparatus
10/09/2013CN103348556A 电路保护 Circuit Protection
10/09/2013CN103348552A Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system
10/09/2013CN103348432A Vacuum bulb system comprising locking device
10/09/2013CN103346553A Reverse-connection-resisting and relay-coil-short-circuit-resisting control circuit of electronic controller
10/09/2013CN103346540A Mixed line travelling wave differential motion protection method employing phase current braking
10/09/2013CN103346538A Short-circuit protection circuit for APF high-power IGBT
10/09/2013CN103346537A Short-circuit protection structure
10/09/2013CN103346532A Electric leakage prevention plug circuit
10/09/2013CN103346531A Bidirectional breaking-based mixing type circuit breaker
10/09/2013CN103346530A Telemetering terminal protection circuit
10/09/2013CN103346529A Power supply port used for protecting remote metering terminal
10/09/2013CN103346528A Current limiting type hybrid direct-current circuit breaker based on power electronic combination switch
10/09/2013CN103346527A Wireless access point with overcurrent protection and overtemperature protection
10/09/2013CN103346526A Power transformation pavilion box station intelligent power transmission control device
10/09/2013CN103346525A Arc light protecting device based on UVC sensors
10/09/2013CN103346524A Power output device
10/09/2013CN103346523A Mobile arc fault protection device
10/09/2013CN101916985B Monitoring method of IGBT collector overvoltage double protection
10/09/2013CN101707347B Undervoltage protection circuit and LED drive circuit
10/08/2013US8553385 Release for an electric switching arrangement
10/08/2013US8553382 Power switching arrangement
10/08/2013US8553381 Gradually reducing resistive clamp
10/03/2013WO2013146339A1 Switching power source device
10/03/2013WO2013143469A1 Earth leakage protection breaker with protection against low current fault between phase lines
10/03/2013US20130258542 Lightning Protective High-Voltage Divider
10/03/2013US20130258541 Method and system for lightning protection with distributed transient voltage suppression
10/03/2013US20130258539 Overvoltage protection circuit and electronic device
10/03/2013US20130258538 Power Conditioning, Distribution and Management
10/03/2013US20130258537 Method for detection of leakage or fault currents from equipment in an electrical power system
10/03/2013US20130258536 Busbar differential protection method
10/03/2013US20130258535 Tunable capacitor
10/03/2013US20130258531 Faulty Protective Earth Ground Circuit Detection System And Method
10/03/2013US20130258529 Methods and apparatus to detect and control plasma fires
10/03/2013US20130257521 Controlling over voltage on a charge pump power supply node
10/03/2013US20130257178 Method And System For Disconnecting A Generator From A Power System
10/02/2013EP2645512A1 Faulty protective earth ground circuit detection system and method
10/02/2013EP2645511A1 Emergency deactivation monitoring
10/02/2013EP2645114A2 Current measurement and comparing assembly for a power distribution system and method for measuring and comparing current
10/02/2013CN203225510U Residual-current circuit breaker with self-checking function
10/02/2013CN203225509U Human body electric shock safety control module
10/02/2013CN203225508U Overvoltage protection circuit used for electronic eyes
10/02/2013CN203225507U Lightning-prevention failure warning circuit
10/02/2013CN203225506U A program controlled over-current protection circuit with a settable threshold
10/02/2013CN203225505U Loopback device for longitudinal protection debugging
10/02/2013CN203225504U Loopback signal channel time-delay device for high-voltage transmission line longitudinal protection debugging
10/02/2013CN203225503U Loopback signal attenuation device for high-voltage transmission line longitudinal protection debugging
10/02/2013CN203225458U Low voltage switch cabinet power down automatic connection system
10/02/2013CN103339516A Device for detecting an earth connection fault of an electrical connector system
10/02/2013CN103337904A Emergency control method for power grid voltage out-of-limit and equipment overload based on multi-source data
10/02/2013CN103337849A Power source reverse connection protection circuit
10/02/2013CN103337846A Peripheral application circuit
10/02/2013CN103337835A Circuit used for IGBT fault protection and self resetting
10/02/2013CN103337834A Overcurrent protection method for motor
10/02/2013CN103337831A Out-of-step solution method with self-adaptive function
10/02/2013CN103337830A Anti-failure safety leakage protector
10/02/2013CN103337829A Semi-controlled passive injection current high voltage direct current breaker and realization method thereof
10/02/2013CN103336165A Detection circuit for overcurrent of alternating current and direct current
10/02/2013CN101872957B Leakage current detection protection circuit
10/02/2013CN101872956B Leakage current detection protection circuit
10/02/2013CN101499644B Under-voltage protection circuit with low starting current
10/01/2013US8549640 System and method for computer security
10/01/2013US8547676 Overcurrent protection device and overcurrent protection system
10/01/2013US8547674 Hardware overvoltage disconnecting circuit
10/01/2013US8547673 Electrical switching apparatus with overvoltage protection
10/01/2013US8547672 System and method for conditioning a power supply transmission for supply to a load circuit
10/01/2013US8547671 Electronic device for protecting against a polarity reversal of a DC power supply voltage, and its application to motor vehicles
10/01/2013US8547669 Arc fault mitigation for photovoltaic systems
10/01/2013US8547668 Management techniques for electric power generation equipment
10/01/2013US8547079 Voltage regulator capable of enabling overcurrent protection in a state in which an output current is large
09/2013
09/26/2013WO2013140876A1 Power conversion device
09/26/2013WO2013140874A1 Power conversion device
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