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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11/10/2011 | US20110273137 Protection circuit, battery pack and charging system |
11/10/2011 | DE102010028626A1 Stromaufladevorrichtung für ein Elektrofahrzeug Stromaufladevorrichtung for an electric vehicle |
11/10/2011 | DE102010028569A1 Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgerätes Household appliance and method for operating a household appliance |
11/10/2011 | DE102010019533A1 Strommessverfahren für Schaltgeräte mit parallel geschalteten Strombahnen Current measurement method for switching devices with parallel current paths |
11/10/2011 | CA2782739A1 High-efficiency dc ballast arrangement with automatic polarity protection and emergency back-up for lighting fixture in a suspended dc-powered ceiling system |
11/10/2011 | CA2739783A1 Apparatus and method to detect a series arc fault of an electrical circuit |
11/09/2011 | EP2384922A2 Electricity charger for an electric vehicle |
11/09/2011 | EP2384668A1 Electromotor for furniture with a off-mains switching device and related off-mains switching device |
11/09/2011 | CN202034893U Pulse blocking drive circuit |
11/09/2011 | CN202034814U Portable charger for electric vehicle |
11/09/2011 | CN202034770U Novel self-recovery light-emitting diode (LED) street lamp lightning protection device |
11/09/2011 | CN202034767U Three-phase electrical network over-current monitoring alarm circuit |
11/09/2011 | CN202034763U Ring network cabinet short-circuit protection circuit |
11/09/2011 | CN202034761U Electricity-leakage-prevention intelligent plastic case controller |
11/09/2011 | CN202034760U Earth leakage and non-earth leakage protection circuit |
11/09/2011 | CN202034759U Electrochromic electronic label device and electronic label management system |
11/09/2011 | CN202034758U Intelligence electric leakage controller with voltage measurement and protection functions |
11/09/2011 | CN202034757U Protective circuit |
11/09/2011 | CN202034756U Protective device for electric safety |
11/09/2011 | CN202034755U Overload remote monitoring device |
11/09/2011 | CN202034754U Special intelligent power supply control circuit for integrated circuit test system |
11/09/2011 | CN202034637U Energy saving socket with overload protection |
11/09/2011 | CN202034636U Remotely-controlled socket with over-current power-off protection |
11/09/2011 | CN202034006U Protective circuit of dynamic scanning LED display screen driving unit board |
11/09/2011 | CN102239618A System and method for protection in power installations |
11/09/2011 | CN102237714A Multipath residual current monitoring/protecting device with wireless or carrier transmission module |
11/09/2011 | CN102237674A Protection element and electronic apparatus |
11/09/2011 | CN102237671A Comprehensive out-of-limit and out-of-control prevention potential limiting counting timing control circuit |
11/09/2011 | CN102237669A Microprocessor-based line protection monitoring device |
11/09/2011 | CN102237668A Hybrid fault current limiter |
11/09/2011 | CN102237667A Overcurrent detecting circuit of USB port |
11/09/2011 | CN102237666A Automatic power-off control device |
11/09/2011 | CN102237615A Novel electric leakage protection socket |
11/09/2011 | CN101252270B Circuit for preventing phase of three-phase power supply from unbalance |
11/08/2011 | US8055625 System and method for generating and managing quick recovery volumes |
11/08/2011 | US8054605 Power supply controller |
11/08/2011 | US8054603 Power converter, short detection circuit thereof, and method for detecting short |
11/08/2011 | US8054602 Power supply controller |
11/08/2011 | US8054601 Power supply control apparatus having a function supplying power supply voltage |
11/08/2011 | US8054600 Switching power supply device |
11/08/2011 | US8054599 Apparatus, system, and method for detecting a power system component failure |
11/08/2011 | US8054597 Electrostatic discharge structures and methods of manufacture |
11/08/2011 | US8054596 Semiconductor device |
11/08/2011 | US8054595 Circuit interrupting device with reset lockout |
11/08/2011 | US8054594 ARC flash detection system |
11/08/2011 | US8054593 Apparatus and method for measuring load current using a ground fault sensing transformer |
11/08/2011 | US8054591 Arc detection using discrete wavelet transforms |
11/08/2011 | US8054590 Ground-fault circuit interrupter with circuit condition detection function |
11/08/2011 | US8054036 Power transmission control device, power reception control device, non-contact power transmission system, power transmission device, power reception device, and electronic instrument |
11/08/2011 | CA2373656C Cvt transient filter |
11/03/2011 | US20110267729 Combined power meter and outlet device |
11/03/2011 | US20110267728 Overcurrent protection circuit, integrated circuit, apparatus and computer program product |
11/03/2011 | US20110267727 Apparatus for monitoring fault current in power system |
11/03/2011 | US20110267726 Protection monitoring circuit, battery pack, secondary battery monitoring circuit, and protection circuit |
11/03/2011 | US20110267721 Method for Detecting an Electric Arc in a Photovoltaic Installation |
11/02/2011 | EP2383856A1 Identification and directional detection of a defect in a three-phase network |
11/02/2011 | EP2383581A1 Apparatus for monitoring fault current in power system |
11/02/2011 | EP2382712A1 An electronic circuit breaker and a method of providing protection switching |
11/02/2011 | EP2382698A1 Control of protection relay |
11/02/2011 | EP2269296B1 Drive circuit for a dc motor, comprising an h-bridge and a motor braking circuit |
11/02/2011 | EP2020014B1 Switching device |
11/02/2011 | EP1287599B1 Software-controlled evaluation of fault current for protection and monitoring systems |
11/02/2011 | CN202026501U AC-drive LED lighting device |
11/02/2011 | CN202026126U Alternating current power supply module for communication |
11/02/2011 | CN202026080U Over-temperature alarm system for bus of rectifier cabinet |
11/02/2011 | CN202026079U Battery package short-circuit protection structure |
11/02/2011 | CN202026078U Protective circuit of switching power supply |
11/02/2011 | CN202026076U Air compressor oil starvation and starting protection special device |
11/02/2011 | CN202026073U Overload protection device |
11/02/2011 | CN202026072U Low-voltage zero line breaking protection device |
11/02/2011 | CN202026071U Circuit breaker malfunction protective system with automatic reclosing function |
11/02/2011 | CN202025690U Multifunctional earth leakage circuit breaker |
11/02/2011 | CN202025055U Grounding short circuit fault instantaneous monitoring system for circuit breaker |
11/02/2011 | CN102231933A Circuit protection method |
11/02/2011 | CN102231515A Control protection method, device and system for series capacitor device |
11/02/2011 | CN102231514A Soft recovery control circuit of output short circuit |
11/02/2011 | CN102231511A LED drive circuit and short-circuit protection circuit thereof |
11/02/2011 | CN102231510A Pulsating DC (direct current) aftercurrent protector and running method thereof |
11/02/2011 | CN102231509A Undervoltage latch circuit capable of preventing error turning |
11/02/2011 | CN102231462A Leakage protection plug |
11/02/2011 | CN102229327A Automobile power supply system |
11/02/2011 | CN101043131B AI electric power terminal protectors |
11/01/2011 | US8050007 Lightning damage abatement system and attachment method |
11/01/2011 | US8050005 Automatic function with selectable fuse rating for single fuses and fuse panels |
11/01/2011 | US8050002 Housing arrangement for fault determination apparatus and method for installing the same |
11/01/2011 | US8050001 Timed electrical outlet and a method of operation thereof |
11/01/2011 | US8050000 Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition |
11/01/2011 | US8049455 Electric power converter |
11/01/2011 | CA2682784C Phase-control switching apparatus and switching control method for phase-control switching apparatus |
11/01/2011 | CA2512182C Circuit interrupting device with single throw, double mode button for test-reset function |
11/01/2011 | CA2468183C Fault location using measurements from two ends of a line |
10/27/2011 | WO2011133244A1 Photovoltaic array ground fault detection method for utility-scale grounded solar electric power generating systems |
10/27/2011 | US20110261494 Anti-lightning automatic switch for a satellite television receiver |
10/27/2011 | US20110261493 Dual voltage hot swap module power control |
10/27/2011 | US20110261492 Protection to avoid abnormal operation caused by a shorted parameter setting pin of an integrated circuit |
10/27/2011 | US20110261491 Monitor circuit for determining the lifetime of a semiconductor device |
10/27/2011 | US20110261490 Protection device with a sandwiched cantilever breaker mechanism |
10/27/2011 | DE102010028149A1 Bereitstellung einer Ausgangsspannung aus einer in weitem Bereich variablen und auch niedrigen Eingangsspannung Providing an output voltage of a variable over a wide range and low input voltage |
10/27/2011 | DE102010018058A1 Multi-polar low voltage power switch for interrupting current flowing through conductor during exceeding of given threshold value, has main controller emitting signal when current flow is disrupted by faulty operations of overload relay |
10/26/2011 | EP2380254A1 A protection system for an it electrical distribution system having a floating reference conductor |