| 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) |
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| 09/17/2013 | US8537509 Ground fault detecting and controlling method for parallel-structured high voltage system |
| 09/17/2013 | US8537507 MEMS-based switching systems |
| 09/17/2013 | US8537021 Apparatus, method, and system for improved control and monitoring of electrical systems |
| 09/17/2013 | US8536740 Variable frequency drive with dielectric fluid-immersed transformer |
| 09/16/2013 | CA2809053A1 Enhanced auto-monitoring circuit and method for an electrical device |
| 09/16/2013 | CA2808952A1 Reinstallable circuit interrupting device with vibration resistant miswire protection |
| 09/13/2013 | DE202013006083U1 Lichtbogen-Erkennungs- und Abschalteinrichtung Arc detection and shutdown device |
| 09/12/2013 | WO2013131897A1 Circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systems |
| 09/12/2013 | WO2013131236A1 Power supply circuit and electrical device |
| 09/12/2013 | US20130238560 Real time backup system for computer users |
| 09/12/2013 | US20130235500 Protection circuit for lithium-ion battery |
| 09/12/2013 | US20130235499 Unit rack for power storage and power storage apparatus comprising the same |
| 09/12/2013 | US20130235494 Integrated Bypass Apparatus, System, and/or Method for Variable-Frequency Drives |
| 09/12/2013 | US20130234434 Overvoltage clipping device for a wind turbine and method |
| 09/12/2013 | DE102012203614A1 Direct current static converter for electric power providing device that is utilized for supplying electric power to e.g. high voltage load of motor car, has doubler comprising throttles that are connected in series to short-circuit fuses |
| 09/11/2013 | EP2637276A1 Protection circuit for lithium-ion battery |
| 09/11/2013 | EP2637275A1 Method and device for controlling the selectivity of electric equipment |
| 09/11/2013 | EP2637189A1 Phase control switching device and closing phase control method |
| 09/11/2013 | EP2635911A1 Monitoring a power supply line supplied at one end for earth faults |
| 09/11/2013 | CN203193775U Power supply system for HDMI high definition signal distributor |
| 09/11/2013 | CN203193268U Combined type double end lightning protection device |
| 09/11/2013 | CN203193261U Protection circuit for output short circuit of high-voltage battery pack |
| 09/11/2013 | CN203193251U A door lock over-current protection system and a door lock system |
| 09/11/2013 | CN203193248U Earth leakage protection device for preventing ground wire electrification |
| 09/11/2013 | CN203193247U Earth leakage protection device with ground wire electrification protection |
| 09/11/2013 | CN203193246U Electric leakage circuit breaker having delayed power interruption function |
| 09/11/2013 | CN203193245U Anti-thunder module for wireless access point power supply |
| 09/11/2013 | CN203193244U Hybrid wide power supply |
| 09/11/2013 | CN203193243U Electric safety protector |
| 09/11/2013 | CN203193242U Over-voltage time-relay protector |
| 09/11/2013 | CN203193241U Small breaker overvoltage and under-voltage protection apparatus |
| 09/11/2013 | CN203193240U Earth leakage protection device for preventing ground wire electrification |
| 09/11/2013 | CN203193239U Protection circuit for short circuits of intrinsic safety electric source |
| 09/11/2013 | CN203193238U Multi-channel power fuse protector |
| 09/11/2013 | CN203193237U Power management unit capable of automatically reclosing |
| 09/11/2013 | CN203193236U Electric protector used for single-phase auto reclosing |
| 09/11/2013 | CN203193235U Three-phase automatic reclosing lock electricity utilization protector |
| 09/11/2013 | CN203192136U Household lightning protection monitor |
| 09/11/2013 | CN203192126U Camera shooting warning device possesses over-current protection |
| 09/11/2013 | CN203192125U Lightning-protection type early-warning indicator |
| 09/11/2013 | CN203192124U Early warning device having large protection degree |
| 09/11/2013 | CN203191559U Wireless positioning device and vehicle management system |
| 09/11/2013 | CN203186117U Controller for electric vehicle |
| 09/11/2013 | CN103298210A Overvoltage protection circuit and electronic device with same |
| 09/11/2013 | CN103296670A Direct current power supply lightning arrester used for electrical power system |
| 09/11/2013 | CN103296667A Arrester |
| 09/11/2013 | CN103296661A Lightning protection circuit of direct-current system |
| 09/11/2013 | CN103296639A Electric leakage warning and protection circuit |
| 09/11/2013 | CN103296638A Electronic equipment and power down protection device and method applied to electronic equipment |
| 09/11/2013 | CN103296637A Black-screen preventing circuit for electric energy meter |
| 09/11/2013 | CN103296636A High-voltage direct-current gas breaker based on self-excited oscillation circuit |
| 09/11/2013 | CN103296635A Microcomputer relay protection device |
| 09/11/2013 | CN103296634A Power transmission line single-phase reclosing protection criterion implemented by aid of distributed parameters |
| 09/11/2013 | CN103296633A Digital protective relay and method for maintaining firmware of digital protective relay |
| 09/11/2013 | CN103295852A Electric leakage breaker |
| 09/11/2013 | CN102005720B Neutral line breakage detection protection method and device |
| 09/11/2013 | CN101286644B 充电及放电系统 Charging and discharging systems |
| 09/10/2013 | US8532265 Power distribution module with monitoring and control functions |
| 09/10/2013 | US8531862 Generating and exploiting an asymmetric capacitance hysteresis of ferroelectric MIM capacitors |
| 09/10/2013 | US8531811 Clamping control circuit for hybrid surge protection devices |
| 09/10/2013 | US8531810 Over-current protection circuit and electronic device with the same |
| 09/10/2013 | US8531809 Surge protector |
| 09/10/2013 | US8531807 ESD clamp adjustment |
| 09/10/2013 | US8531806 Distributed building blocks of R-C clamping circuitry in semiconductor die core area |
| 09/10/2013 | US8531803 Lightning protection for power inverters |
| 09/10/2013 | US8531061 Plug device for controlling connection with power source |
| 09/06/2013 | WO2013127787A1 Dc supply unit for a power provision unit |
| 09/06/2013 | WO2013127463A1 High voltage dc circuit breaker apparatus |
| 09/06/2013 | WO2013127462A1 Composite high voltage dc circuit breaker |
| 09/05/2013 | US20130229740 Input protection circuit |
| 09/05/2013 | US20130229737 Integrated circuit device and method for detecting an excessive voltage state |
| 09/05/2013 | US20130229735 High-impedance fault detection and isolation system |
| 09/05/2013 | US20130229734 Ground fault circuit interrupter and method |
| 09/05/2013 | US20130229732 Feeed chain for a synchronous electric machine, electric traction system comprising such a chain, and control method for such a chain |
| 09/05/2013 | US20130229055 Switched transient voltage suppression circuit |
| 09/04/2013 | EP2634884A1 Supply chain of a synchronous electric machine, electric traction system including such a chain and method for controlling such a chain |
| 09/04/2013 | EP2634883A2 Electronic device and protection circuit and protection method |
| 09/04/2013 | EP2634882A1 DC supply unit for a power provision unit |
| 09/04/2013 | EP2633595A2 A protection relay for sensitive earth fault portection |
| 09/04/2013 | EP2633542A1 Human-machine interface for a self-supplied relay |
| 09/04/2013 | EP2633530A1 Arrangement for forming a thermal isolation point |
| 09/04/2013 | CN203180550U Charger circuit |
| 09/04/2013 | CN203180509U Telephone service entrance conductor surge overvoltage protector |
| 09/04/2013 | CN203180492U Low-voltage earth leakage protection device for mines |
| 09/04/2013 | CN203180491U Electric leakage protection device |
| 09/04/2013 | CN203180490U Television set self-protection system |
| 09/04/2013 | CN203180489U Power grid under-voltage and over-voltage detection and protection device |
| 09/04/2013 | CN203180488U Electric supply overvoltage home-entry protector |
| 09/04/2013 | CN203180487U Vehicle-mounted power supply input device for mutual inductor verification equipment |
| 09/04/2013 | CN203180486U Direct-current output overload intelligent protective device of vehicle power supply |
| 09/04/2013 | CN203180485U Overcurrent protection device |
| 09/04/2013 | CN203180484U Integral-type three-phase power supply lightning protection apparatus |
| 09/04/2013 | CN203180483U Cascade protection circuit for extension socket |
| 09/04/2013 | CN203180482U Online monitoring system host and system used for lightning protection circuit and power transmission circuit |
| 09/04/2013 | CN203180481U High-voltage mutual inductor test protection device with multiple protection functions |
| 09/04/2013 | CN203178912U Human body induction device with over-current protection device |
| 09/04/2013 | CN103283102A Reliable electrical distribution system with alternate power source |
| 09/04/2013 | CN103280877A Space instrument power system with self-healing function |
| 09/04/2013 | CN103280865A Charging port with over-voltage protection |
| 09/04/2013 | CN103280789A Novel multifunctional power electronic current-limiting system and control method thereof |