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)
04/2014
04/30/2014CN102623950B Protection circuit for high-voltage integrated circuit
04/30/2014CN102437545B Reclosing remote putting on/off relay
04/30/2014CN102427215B High-voltage arc discharge protective circuit
04/30/2014CN102082421B Implementation method of break variable current differential relay based on differential impedance principle
04/30/2014CN102035171B Circuit breaker for preventing voltage loss of zero line
04/30/2014CN101772814B Resettable MEMS micro-switch array based on current limiting apparatus
04/30/2014CN101425672B System and method for control of power distribution networks
04/30/2014CA2831115A1 Current differential protection
04/29/2014US8713332 System and method of supplying an electrical system with direct current
04/29/2014US8711535 ESD protection circuit and ESD protection device thereof
04/29/2014US8711534 Battery power management system and method
04/29/2014US8711533 Semiconductor integrated circuit
04/29/2014US8711531 Electrical installation arrangement
04/29/2014US8711530 Pluggable power cell for an inverter
04/29/2014US8711529 Switching apparatus and controlling method thereof
04/29/2014US8710850 System and method for detecting an earth ground fault of an external power supply connected to a vehicle
04/29/2014US8710804 Discharge circuit and method
04/29/2014US8710406 Safety device and method for electric heating appliances
04/29/2014CA2341552C Circuit interrupting system with independent trip and reset lockout
04/24/2014WO2014060527A1 System for protection of a plurality of dc voltage sources
04/24/2014WO2014060513A1 Protection circuit arrangement and method for protecting an electric circuit device, and device comprising the circuit to be protected and the protection circuit arrangement
04/24/2014WO2014060085A2 Method of operate is-limiters in ring systems
04/24/2014US20140114922 System and method for generating and managing quick recovery volumes
04/24/2014US20140112038 Method And Controller For Protecting A Voltage Source Converter
04/24/2014US20140112036 Power supply with output protection and control method of the power supply
04/24/2014US20140112032 Wind turbine fault detection circuit and method
04/24/2014US20140111899 Protecting circuit
04/24/2014US20140111898 Method and apparatus for power management in etu within a circuit breaker when used as a host controller
04/24/2014US20140111896 Full-Duplex Signaling for Arc Event Protection
04/24/2014US20140111891 Electromechanical switching circuit with memory
04/24/2014US20140111889 Methods to avoid a single point of failure
04/24/2014DE19945824B4 Regeleinrichtung für ein elektrisch betriebenes Gebläse Control device for an electrically operated fan
04/24/2014DE10315176B4 Überspannungsschutzschaltung An overvoltage protection circuit
04/23/2014EP2722954A1 Method of operate Is-limiters in ring systems
04/23/2014EP2722953A1 Method and apparatus for blown fuse detection
04/23/2014CN203562774U Alternating-current lightning protection module for LED lighting equipment
04/23/2014CN203562759U Leakage inductance protection structure of distribution transformer
04/23/2014CN203562755U Three-phase power supply abnormity isolation protection signal circuit
04/23/2014CN203562754U Over-voltage and under-voltage protective circuit based on three-end adjustable shunt reference source
04/23/2014CN203562753U Protection circuit capable of being quickly restarted
04/23/2014CN203562752U Electrical load detection controller of electric power system
04/23/2014CN203562751U Anti-wire-breaking protection device of high-pressure cleaning machine
04/23/2014CN203562750U Interlocking over-current protection circuit
04/23/2014CN203562612U Lightning protection power strip for indoor LED lighting equipment
04/23/2014CN103746356A Digital communication current protection technology based on IEC 61850 protocol
04/23/2014CN103746353A Self-healing control system of intelligent distribution network and working method thereof
04/23/2014CN103746342A Boosting converter, controller for boosting converter and short circuit protection method
04/23/2014CN103746336A Superfast leakage switch and control method thereof
04/23/2014CN103746335A Amplitude comparison principle-based relay protection method
04/23/2014CN103746334A Electronic protection device for heater
04/23/2014CN103746333A Household electric equipment control method in difficult electricity utilization environments
04/23/2014CN103746332A Ground protection device for molded case circuit breaker in main loop of power distribution device
04/23/2014CN103746331A Multifunctional fireproof short-circuit protector with redundant device
04/23/2014CN102684145B Sampling data exception detecting method and relay protection method based on redundant CT windings
04/23/2014CN102623953B Method capable of improving sensitivity of main transformer longitudinal differential protection utilizing GOOSE network
04/23/2014CN102403699B Self-adaptive current differential protection method for direct-current lines
04/23/2014CN102160250B Reclosing method for electrical power transmission line
04/23/2014CN101911417B Aircraft electronic system and method for controlling relay therein
04/22/2014US8705221 Surge arrester having an optical fault indicator
04/22/2014US8705219 Electrostatic discharge protection circuit
04/22/2014US8705216 High sensitivity leakage current detection interrupter
04/17/2014WO2014056505A1 Phase sequence detection
04/17/2014WO2014056393A1 Drive interlocking circuit preventing direct connection of bridge arms
04/17/2014WO2014056042A1 Testing apparatus for safety switches and method
04/17/2014US20140104738 Coordinated high-impedance fault detection systems and methods
04/17/2014US20140104737 Modular power distribution system and methods
04/17/2014US20140104736 Circuit protection device and methods of configuring a circuit protection device
04/17/2014US20140104734 Protection method and device of an electrical network for aircraft
04/17/2014US20140104731 Arc fault detector with circuit interrupter
04/17/2014DE102012218914A1 Schutzschaltungsanordnung für ein Mehrspannungsnetz Protective circuit arrangement for a multi-voltage power
04/17/2014DE102012218504A1 Differenzstrom-Überwachungseinrichtung mit Lichtbogenerkennung Residual current monitoring device with arc detection
04/17/2014DE102012218503A1 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
04/17/2014DE102008004870B4 Mit einem Schutzschalter mechanisch koppelbares Modul With a circuit breaker mechanically linkable module
04/16/2014EP2720335A2 Circuit for controlling the energy supply to an electric device as well as an electrical device with a circuit
04/16/2014EP2720334A1 Supply system for an aircraft, use of a shielded supply line in an aircraft and an aircraft with a supply system
04/16/2014EP2720333A2 Method and device for protecting an electrical network of an aircraft
04/16/2014EP2720332A2 Online protection coordination for distribution management system
04/16/2014EP2720053A2 Fault tolerant fail-safe link
04/16/2014EP2720051A1 Safety system
04/16/2014EP2719043A1 Fault identification and location in a power supply line which is fed from one side
04/16/2014CN203554069U An outdoor illumination power distribution cabinet protection controller
04/16/2014CN203554005U A zero-power-consumption lithium battery management system capable of being powered up automatically
04/16/2014CN203553930U Small-volume surge protector
04/16/2014CN203553928U Button starting type surge protector
04/16/2014CN203553919U LED lamp control signal protection circuit
04/16/2014CN203553913U Main controller overvoltage protection circuit and large-screen splicing system
04/16/2014CN203553901U Transformer protective box
04/16/2014CN203553895U Ground fault circuit interrupter with safety display
04/16/2014CN203553894U Double control surge protection device
04/16/2014CN203553893U Protection circuit, protection device and household appliance
04/16/2014CN203553892U Over-voltage safety protection circuit, and over-voltage safety protection device for vehicle-mounted power amplifier
04/16/2014CN203553891U Fountain electric leakage prompt protector
04/16/2014CN203553890U Regenerative braking device
04/16/2014CN203553889U Intelligent circuit breaker
04/16/2014CN203553888U Electronic type current protection relay
04/16/2014CN203553887U Universal high-low-voltage comprehensive logic protecting controller
04/16/2014CN203553886U Short-circuit-resistant self-resetting circuit breaker
04/16/2014CN203553885U A under-voltage and over-current protection circuit
04/16/2014CN203553884U A voltage limiting type current surge safety device
04/16/2014CN203553883U Circuit configuration for preventing resistor burning in locomotive overvoltage absorber
1 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ... 331