Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
10/2008
10/22/2008CN201138735Y Low-voltage electric grid residual current controlling, protecting and loss reducing apparatus
10/22/2008CN101292406A Circuit interrupting device with automatic test
10/22/2008CN101291081A Data sampling and transmission module for power distribution system
10/22/2008CN101291060A An intelligent electronic device for substation or distribution automation systems
10/22/2008CN101291052A Control method for low-voltage isolation technique and manufacturing method thereof
10/22/2008CN101291051A Residual current circuit breaker
10/22/2008CN100428603C Selective switch with selective protective module
10/22/2008CN100428602C Control circuit of electric power supplier with fixed current limiting mode
10/21/2008US7441151 Method and apparatus for restoring a device to a default state
10/21/2008US7441149 Method and apparatus of recording data in the optical recording medium
10/21/2008US7440982 System and method for stored data archive verification
10/21/2008US7440250 Circuit breaker including open neutral interlock
10/21/2008US7440249 Undervoltage detection circuit
10/21/2008US7440248 Semiconductor integrated circuit device
10/21/2008US7440247 Gate coupling electrostatic discharge protection circuit with redundant structures
10/21/2008US7440246 Circuit interrupting apparatus with remote test and reset activation
10/21/2008US7440245 Arc fault circuit interrupter and method of detecting an arc fault
10/21/2008US7440244 Self-triggering superconducting fault current limiter
10/21/2008US7439744 Automated arc generator and method to repeatably generate electrical arcs for AFCI testing
10/21/2008US7439639 Safety switching apparatus for safe disconnection of an electrical load
10/18/2008CA2624208A1 Power distribution unit with two pole circuit breaker
10/16/2008WO2008124587A1 Voltage surge and overvoltage protection
10/16/2008WO2008124276A1 Apparatus and method for monitoring, detecting and recovering from an overcurrent condition
10/16/2008WO2008122339A1 Circuit arrangement for limiting voltage
10/16/2008WO2008054806A3 Systems and methods for arc fault detection
10/16/2008WO2008024236A3 Lightweight audio system for automotive applications and method
10/16/2008US20080253053 Systems for charging a battery in a closed loop configuration
10/16/2008US20080253052 Electrical Power Switching With Efficient Switch Protection
10/16/2008US20080253050 Protective circuit board and overcurrent protection device thereof
10/16/2008US20080253048 Protection circuit and electronic device
10/16/2008US20080253042 E-fuse and method
10/16/2008US20080252227 Method and Circuit for Driving Gas Discharge Lamps Using a Single Inverter
10/16/2008DE102008017932A1 Installation switch e.g. selective main line safety switch, for electric meter system, has switchgear, where base current cut-off takes place in operating mode upon reaching base current strength, which is lower than rated current strength
10/16/2008CA2683429A1 Voltage surge and overvoltage protection
10/15/2008EP1981143A1 Power source device, electric vehicle mounted with the power source device, and control method for power source device
10/15/2008EP1981142A2 Fail-Safe Inline Power in a Wired Data Telecommunications Network
10/15/2008EP1981141A2 Method in connection with protective relay and protective relay
10/15/2008EP1979923A2 Circuit breaker meter
10/15/2008CN201134748Y Heat radiating device
10/15/2008CN201134689Y Circuit breaking time-delaying work circuit for mining high-voltage protector
10/15/2008CN201134666Y Overcurrent protecting electronic control apparatus for small circuit breaker
10/15/2008CN201134662Y Leakage detecting and protecting device
10/15/2008CN201134661Y Microcomputer measuring, controlling and protecting equipment for electrical power system
10/15/2008CN201134017Y Electric appliance control device for tower crane
10/15/2008CN101286644A 充电及放电系统 Charging and discharging systems
10/15/2008CN101286634A Protection method of parellel reactor based on parameter identification
10/15/2008CN101286632A Device to send out alarming indication when abnormal voltage appearing in grounding system
10/15/2008CN100426617C Over-power protector capable of regulating over-current level
10/15/2008CN100426616C Protective relay device
10/15/2008CN100426615C Control system of feedback protection for faults of three phase power supply and load
10/15/2008CN100426614C High voltage protective device for input of AC electrical source
10/15/2008CN100426613C Power souce commutation possessing reverse connected polarity and protection circuit for surge current
10/15/2008CN100426612C Intelligent release with internal WEB server
10/15/2008CN100426163C Family appliance standby energy-saving device
10/14/2008US7437713 Automated system that tests software on multiple computers
10/14/2008US7437636 Method and apparatus for at-speed testing of digital circuits
10/14/2008US7437632 Circuits and methods for repairing defects in memory devices
10/14/2008US7437615 Storage system and a method for diagnosing failure of the storage system
10/14/2008US7437607 Method and apparatus for restoring a device to a default state
10/14/2008US7437386 System and method for a multi-node environment with shared storage
10/14/2008US7436730 Method and device for controlling internal power voltage, and semiconductor memory device having the same
10/14/2008US7436644 Switching circuit, switching method, protective device and battery pack
10/14/2008US7436642 Solid state AC switch
10/14/2008US7436641 Device and system for wireless communications with a circuit breaker
10/14/2008US7436639 Compact ground fault circuit interrupter module
10/09/2008WO2008121264A1 Method and system to identify grounding concerns in an electric power system
10/09/2008WO2008121129A2 Fuse and breaker alarm device and method using a finite state machine
10/09/2008WO2008120282A1 Ac electric quantity measuring device
10/09/2008WO2008063580A3 Transient condition detection for an electric power generation system
10/09/2008WO2007095087A3 Programmable temperature control system for pools and spas
10/09/2008US20080247112 Protective Plug for a Connection Module
10/09/2008US20080247111 Arrangement for Energy Conditioning
10/09/2008US20080247110 Undervoltage lockout circuit
10/09/2008US20080247109 Electric outlet for computer and related computer peripherals
10/09/2008US20080247108 Load drive device
10/09/2008US20080247107 Apparatus and method for monitoring, detecting and recovering from an overcurrent condition
10/09/2008US20080247105 Voltage Surge and Overvoltage Protection
10/09/2008US20080247102 Eos robust bipolar transient clamp
10/09/2008US20080247100 Circuit breakers with ground fault and overcurrent trip
10/09/2008US20080247099 Overcurrent Detecting Circuit and Regulator Having the Same
10/09/2008DE102007016704A1 Schaltungsanordnung zur Spannungsbegrenzung Circuit arrangement for limiting the voltage
10/09/2008CA2670081A1 Fuse and breaker alarm device and method using a finite state machine
10/08/2008EP1977492A1 Protective device having a circuit breaker, in particular a low-voltage circuit breaker
10/08/2008EP1977491A1 Load recognition and series arc detection using load current/line voltage normalization algorithms
10/08/2008EP1279213B1 Sensitive ground fault detection system for use in compensated electric power distribution networks
10/08/2008EP1206823B1 Protective device, in particular a fault current protective device
10/08/2008CN201130858Y Overvoltage protection circuit
10/08/2008CN201130848Y Control type aftercurrent motion protector and anti-theft device
10/08/2008CN201130847Y Power supply circuit with testing and protection function
10/08/2008CN201130846Y Electricity-leakage-proof protector
10/08/2008CN201130845Y Shunt inductance current-limiting breaker
10/08/2008CN201130844Y Automatic reclosing control apparatus for low-voltage breaker
10/08/2008CN201130843Y Single user energy consumption on-site intelligent management apparatus
10/08/2008CN201130780Y Intelligent electricity-saving socket
10/08/2008CN201130331Y Loop power supply parameter type magnetic power compensation circuit
10/08/2008CN201129292Y Air compressing engine explosion suppression safe electric-controlled system
10/08/2008CN101282035A Residual current devices
10/08/2008CN101282034A Protective equipment for supplying power for input end of electric welding machine
10/08/2008CN101282033A User demarcation load switch
10/08/2008CN101282013A Omnipotence safety plug
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