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)
07/2013
07/10/2013CN103197578A Robot electric quantity monitoring system
07/10/2013CN102255342B Power manager used by armoured vehicle
07/10/2013CN101978567B Digital protective relay device and data transmission device for the same
07/10/2013CN101405921B An off-mains switch and a control box for electrically driven articles of furniture
07/09/2013US8482896 Overvoltage protection element
07/09/2013US8482893 Integrated photovoltaic source circuit combiner and protection subsystem
07/09/2013US8482892 Alternating current overload protection apparatus and method
07/09/2013US8482890 PCB strip and manufacturing method for electronic component embedded PCB
07/09/2013US8482889 Band-pass structure electrostatic discharge protection circuit
07/09/2013US8482887 Ground-fault circuit interrupter with circuit condition detection function
07/09/2013US8482885 Hybrid switch circuit
07/09/2013US8482884 Emergency utility interruption system
07/04/2013WO2013102012A1 Device and system for reducing overvoltage damage
07/04/2013WO2013101009A1 Redundant server system with an optimized failover arrangement
07/04/2013WO2013067729A3 Method of electricity leakage detection and prevention of electrical equipment's outer surface and system thereof
07/04/2013US20130171847 Leakage protection socket with integrated baffle locking mechanism
07/04/2013US20130170086 Overvoltage protection circuit and portable electronic device comprising same
07/04/2013US20130170083 Power-on reset gfci
07/04/2013US20130170077 Method for operating a ground fault interrupter as well as ground fault interrupter for a frequency converter
07/04/2013DE102011084219B4 Verfahren und Vorrichtung zur Ermittlung eines tatsächlichen Isolationswiderstands in IT-Systemen mit einem funktionalen Erdungswiderstand Method and apparatus for determining an actual insulation resistance in IT systems with a functional earth resistance
07/04/2013DE102005024198B4 Schaltung und leckstromerkennungsverfahren für ein elektrofahrzeug Circuit and leakage current detection method for a electric vehicle
07/04/2013DE10163408B4 Anordnungen und Verfahren zur Fehlerortbestimmung auf einer Kraftübertragungsleitung mit einer einzelnen Anzapfungslast Arrangements and methods for fault location on a power transmission line with a single Anzapfungslast
07/03/2013EP2609661A1 Apparatus for use in estimating a fault level in a network providing an electrical power supply to consumers
07/03/2013CN203039609U Intelligentized vehicle inverter
07/03/2013CN203039408U Lithium battery power source
07/03/2013CN203039360U Power surge protector provided with self-arc-breaking device
07/03/2013CN203039346U Comparison type device for electricity stealing prevention
07/03/2013CN203039345U Self-reset bipolar control overvoltage and undervoltage protection device
07/03/2013CN203039344U 电压瞬变保护系统及电压调节器 Voltage transient protection system and the voltage regulator
07/03/2013CN203039343U Intrinsic safe over-current protection circuit
07/03/2013CN203039342U Rail-type intelligent monitor
07/03/2013CN203039341U Last breaker protecting and resetting device
07/03/2013CN203039340U Device used for accelerating power transmission recovery after tripping of phase discrimination/amplitude discrimination electric leakage protector
07/03/2013CN203039339U Turn-off circuit for eliminating stand-by power consumption of television or air conditioner
07/03/2013CN203039337U Low-power intrinsic safety grating
07/03/2013CN203029453U Safe multifunctional hand warmer
07/03/2013CN103189953A Residual current operated device
07/03/2013CN103187738A Charging circuit and charger
07/03/2013CN103187718A Protection device of central processing unit of power distribution cabinet
07/03/2013CN103187716A Protective circuit of power amplifier tube, method of power amplifier tube and power amplifier tube
07/03/2013CN103187706A Voltage detection leakage protection device for electric water heater
07/03/2013CN103187705A 地线漏电保护装置 Earth leakage protection device
07/03/2013CN103187704A Leakage protection device for preventing electrification of ground wire
07/03/2013CN103187703A Electric wiring protection device
07/03/2013CN103187702A Protection apparatus for signal output device of knitting machine singlechip
07/03/2013CN102064520B Lightning protection automatic switch for satellite television receiver
07/03/2013CN102025143B Transient voltage-resistant delay circuit
07/03/2013CN101958528B Leakage protection method and device
07/02/2013US8479057 Aggregator for connection based anomaly detection
07/02/2013US8477467 Electrostatic discharge protection circuit
07/02/2013US8477466 Protective device with separate end-of-life trip mechanism
07/02/2013US8477465 Earth leakage detection method
07/02/2013US8476913 Improvements relating to the testing of an earth connection
06/2013
06/27/2013WO2013094785A1 Device for blocking overheating by using short-circuit sensing line
06/27/2013WO2013094565A1 Protective element, protective element fabrication method, and battery module in which protective element is embedded
06/27/2013WO2013093814A2 Overload detection device
06/27/2013WO2013092815A1 Impedance measuring device
06/27/2013WO2013092142A1 Circuit arrangement for suppressing an arc occurring over a contact gap of a switching member
06/27/2013WO2013092037A2 Rectifier circuit
06/27/2013WO2013092031A2 Rectifier circuit
06/27/2013WO2013091689A1 Separating device for direct current interruption between a photovoltaic generator and an electrical apparatus, and photovoltaic system having such a separating device
06/27/2013WO2013091092A1 System for disconnecting electrical power upon regulation failure
06/27/2013WO2012127686A9 Ground fault detection circuit
06/27/2013US20130163139 Variable breakdown transient voltage suppressor
06/27/2013US20130163138 Wire protection method and wire protection device
06/27/2013US20130163137 Circuits and methods for limiting open circuit voltage of photovoltaic strings
06/27/2013US20130163136 Overcurrent Detection Circuit and Overcurrent Detection Method
06/27/2013US20130163135 Protective circuit for a rechargeable battery pack
06/27/2013US20130163134 Battery protection circuit
06/27/2013US20130163133 Grounding apparatus
06/27/2013US20130163132 High speed signaling of power system conditions
06/27/2013DE102011122363A1 Elektrische Ansteuerung für Elektromagnete Electrical control for electromagnets
06/27/2013DE102011057002A1 Device for operational state monitoring of reverse battery protection device, is associated to metal oxide semiconductor field effect transistor-switching unit of reverse battery protection device through channel for detecting voltage drop
06/27/2013CA2857389A1 System for disconnecting electrical power upon regulation failure
06/26/2013EP2608384A1 Modular frequency converter with fault recognition
06/26/2013EP2608343A1 Power supply
06/26/2013EP2608342A1 Overvoltage Protection System and Method
06/26/2013EP2608341A1 Grounding device
06/26/2013EP2608340A1 Multi-directional electrical power protection system
06/26/2013EP2607143A1 Discharge circuit for a converter module in a vehicle
06/26/2013EP2606546A1 Switching device
06/26/2013CN203027179U Brushless direct current evaporation fan
06/26/2013CN203026925U Photovoltaic power station low voltage ride through operation compatible type rapid contact line failure isolation device
06/26/2013CN203026917U Low voltage frequency converter with short circuit protection function
06/26/2013CN203026909U Transparent residual current circuit breaker with screen and capable of directly displaying residual current action amplitude
06/26/2013CN203026908U Residual current circuit breaker with screen and capable of directly displaying residual current action amplitude
06/26/2013CN203026907U Modular three-phase power supply lightning arrester
06/26/2013CN203026906U Resettable over-voltage and under-voltage protector
06/26/2013CN203026905U Low-impedance direct-current overvoltage protection circuit
06/26/2013CN203026904U Over-current protection circuit and PFC (power factor correction) control circuit with same
06/26/2013CN203026903U High-precision air switch
06/26/2013CN203026902U Automatic protection system of electric equipment
06/26/2013CN203026901U Circuit protection device applied to beer machine
06/26/2013CN203026900U Electrical protector for auto-reclosing
06/26/2013CN203026739U Electric leakage protection power plug with improved circuit
06/26/2013CN203025245U Hot-water electric leakage detection device, shower head and electric water heater
06/26/2013CN203025225U Combined type high-voltage prepayment metering device
06/26/2013CN203016595U Safety pad used for bathroom and kitchen
06/26/2013CN103178727A Intelligent direct-current stabilized power supply
06/26/2013CN103178606A Standby power for down-hole emergency refuge facility
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