| 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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| 01/05/2011 | DE102009027387A1 Vorrichtung und Verfahren zum Absichern einer elektrischen Leitung mit einem steuerbaren Schaltelement Apparatus and method for protecting an electrical line with a controllable switching element |
| 01/05/2011 | DE102007054860B4 Steuervorrichtung für ein Schaltgerät A control device for a switching device |
| 01/05/2011 | CN201700073U Electronic ballast with function of overvoltage protection |
| 01/05/2011 | CN201700038U Voltage stabilizing and lamp-lighting unit of LED annunciator |
| 01/05/2011 | CN201699423U Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function |
| 01/05/2011 | CN201699400U Short-circuit protection circuit for flyback power supply |
| 01/05/2011 | CN201699396U Protection device for high-power transmitter |
| 01/05/2011 | CN201699393U Electric leakage detection protection circuit with display function |
| 01/05/2011 | CN201699392U Electrical leakage protector for pressing machine |
| 01/05/2011 | CN201699391U Delay circuit device of low-voltage contactor under instantaneous voltage-loss and undervoltage |
| 01/05/2011 | CN201699390U Open-circuit protection circuit and TV provided with open-circuit protection circuit |
| 01/05/2011 | CN201699389U Pulsating direct-current electricity-leakage and overvoltage protection device for electricity-leakage protection switch |
| 01/05/2011 | CN201699388U Domestic electricity real-time monitoring and protection device |
| 01/05/2011 | CN201699387U USB interface protection circuit of tax control cash register |
| 01/05/2011 | CN201699386U Explosion-proof mechanism of surge protection element |
| 01/05/2011 | CN201699385U Electromechanical equipment protector |
| 01/05/2011 | CN201699254U Protective socket for lightning-protection and overvoltage-protection |
| 01/05/2011 | CN201698558U Warning device for overload power utilization |
| 01/05/2011 | CN201698206U Multifunctional automobile voltage regulator based on SCM control |
| 01/05/2011 | CN101939889A Earth leakage detection method |
| 01/05/2011 | CN101938130A High voltage filter and dynamic reactive power compensation control system combining PPF with TSC and control method thereof |
| 01/05/2011 | CN101938129A Harmonic suppression device |
| 01/05/2011 | CN101938128A General power-saving device |
| 01/05/2011 | CN101938122A Electric control system and method applied to automatic meter verification table of electric energy meter |
| 01/05/2011 | CN101938117A Current differential protection method for smart distribution network |
| 01/05/2011 | CN101938111A Control device and control method for residual current circuit breaker |
| 01/05/2011 | CN101938110A Electrical surge protection element |
| 01/05/2011 | CN101938109A Electronic circuit breaker |
| 01/05/2011 | CN101938108A Arc flash detector |
| 01/05/2011 | CN101937812A Earth fault breaker having functions of over-current protection, end-of-life automatic trip and caution |
| 01/05/2011 | CN101566871B USB protection device |
| 01/05/2011 | CN101562328B Residual current circuit breaker |
| 01/05/2011 | CN101505093B Multipath output electrical power suitable for space environment |
| 01/05/2011 | CN101483337B Failure automatic diagnosis and separation apparatus and method for power distribution network overhead line |
| 01/05/2011 | CN101282013B Omnipotence safety plug |
| 01/05/2011 | CN101192731B Secure leakage protection jack with life termination detection function |
| 01/04/2011 | US7865799 Recording format for information date, information recording/reproducing cording circuit |
| 01/04/2011 | US7864498 Power amplifier protection |
| 01/04/2011 | US7864496 Load dump protection for power FET device |
| 01/04/2011 | US7864495 Excess voltage protection circuit, method of protecting a circuit from excess voltage, and semiconductor apparatus having the excess voltage protection circuit |
| 01/04/2011 | US7864492 Systems and methods for arc fault detection |
| 01/04/2011 | CA2434948C Ground fault/arc fault circuit interrupter and method of testing the same with a test button and a reset button |
| 12/30/2010 | US20100328833 Power module with additional transient current path and power module system |
| 12/30/2010 | US20100328831 Method and Circuit for Over-Current Protection |
| 12/30/2010 | US20100328830 Methods of achieving linear capacitance in symmetrcial and asymmetrical EMI filters with TVS |
| 12/30/2010 | US20100328829 Overvoltage protection element |
| 12/30/2010 | US20100328828 System and method for protecting a circuit |
| 12/30/2010 | US20100328824 Arc Flash Detection |
| 12/30/2010 | US20100326809 Safety switchgear for solar plants |
| 12/30/2010 | DE112008003622T5 Schutzeinrichtung gegen Unregelmäßigkeiten für eine Positiv- und Negativ-Dual-Power-Versorgungsschaltung Device to prevent irregularities for a positive and negative dual power supply circuit |
| 12/30/2010 | DE102010000161A1 Überspannungsschutzschaltung und Motorsteuerung für selbige An overvoltage protection circuit and motor control for selbige |
| 12/30/2010 | DE102009025514A1 Steuerverfahren zur Auslösung eines elektronischen Schutzschalters A control method for activating an electronic circuit breaker |
| 12/29/2010 | WO2010151372A1 System and method for protecting a circuit |
| 12/29/2010 | WO2010150706A1 Apparatus for protecting direct current branch circuit |
| 12/29/2010 | WO2010150389A1 Low-frequency breaker |
| 12/29/2010 | WO2010148993A1 Voltage regulating method, device and system |
| 12/29/2010 | WO2010148570A1 Method for identifying type of fault on power line |
| 12/29/2010 | WO2010097580A3 Electrical power management device |
| 12/29/2010 | EP2267857A1 Electric protection circuit |
| 12/29/2010 | EP2265961A2 Lightning detection |
| 12/29/2010 | EP2020070B1 A time alert device for use together with an earth leakage protection device |
| 12/29/2010 | EP1453173B1 Overload current protection apparatus |
| 12/29/2010 | CN201690238U Low-voltage reactive compensation device of submerged arc furnace |
| 12/29/2010 | CN201690233U Low-voltage electric network three-phase four-wire system power supply intelligent switch device |
| 12/29/2010 | CN201690214U Circuit with automatic detection and voluntary adjustment output of phase sequence |
| 12/29/2010 | CN201690213U Pull-in intelligent controller |
| 12/29/2010 | CN201690212U Intelligent release of circuit breaker |
| 12/29/2010 | CN201690211U Rapid detecting and protecting device for direct-current traction power supplying return current rail electric potential |
| 12/29/2010 | CN201690210U Direct current traction power supply negative electrode unit frame leakage testing and protecting device |
| 12/29/2010 | CN201690209U Leakage protective device for outgoing cable of static debugging power supply for mass transit vehicles |
| 12/29/2010 | CN201690208U Configurator of electrical equipment of acousto-optic warning and protection electric box of underground wire and the like |
| 12/29/2010 | CN201690207U Threshold voltage protection circuit |
| 12/29/2010 | CN201690206U Alternate-current power-loss warning device of station end communication power supply |
| 12/29/2010 | CN201690205U Zero-crossing detection circuit |
| 12/29/2010 | CN201690204U Overcurrent protection circuit for starting current of refrigerator |
| 12/29/2010 | CN201690203U Vehicle static debugging power supply device for urban rail |
| 12/29/2010 | CN201690202U Drive output circuit and drive output failure protection circuit |
| 12/29/2010 | CN201686606U Warning device of automatic electrothermal smelting furnace |
| 12/29/2010 | CN101933112A Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same |
| 12/29/2010 | CN101931265A Emergency mobile DC power supply device |
| 12/29/2010 | CN101931210A Intelligent on-off device of multipurpose power circuit breaker |
| 12/29/2010 | CN101931209A Device and method for signaling electric fault, unit and switch panel comprising the device |
| 12/29/2010 | CN101931208A Leakage current detection protection circuit |
| 12/29/2010 | CN101931207A Restorable overcurrent protector and electronic product |
| 12/29/2010 | CN101931206A Over-current protection method |
| 12/29/2010 | CN101931205A Three-phase power supply network electromagnetic voltage transformer harmonic elimination protector |
| 12/29/2010 | CN101931204A Overload protection device and method |
| 12/29/2010 | CN101453117B Opening surge current control device suitable for spacecraft power supply and distribution system |
| 12/29/2010 | CN101447662B Method for debugging an auto reclosing switch |
| 12/29/2010 | CN101273507B System and method for protecting IC components |
| 12/29/2010 | CA2769281A1 System and method for protecting a circuit |
| 12/28/2010 | US7861285 System, method and computer program product for authenticating users using a lightweight directory access protocol (LDAP) directory server |
| 12/28/2010 | US7860615 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 12/28/2010 | US7859813 Shutoff system for pool or spa |
| 12/28/2010 | US7859808 Electrostatic protection circuit |
| 12/23/2010 | WO2010146248A1 Device for testing the presence of a short-circuit, and circuit breaker including the same |
| 12/23/2010 | WO2010145757A1 Control method for triggering an electronic safety switch |
| 12/23/2010 | WO2010145684A1 An arrangement for protecting equipment of a power system |
| 12/23/2010 | US20100325479 Program failure recovery |
| 12/23/2010 | US20100324844 Method and system for protecting an electrical power transmission network |