| 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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| 02/28/2011 | CA2713624A1 Electrical instrument having a protection circuit |
| 02/24/2011 | US20110043957 Driver and Over-Current Protection Circuit Therein |
| 02/24/2011 | US20110043956 Protection circuit for power amplifier |
| 02/24/2011 | US20110043952 Device for the prevention of serious faults in electrical mains supply networks |
| 02/24/2011 | DE102009036861A1 Verfahren zur Regelung eines Spannungswandlers, Spannungswandler sowie Betriebsgerät mit einem Spannungswandler Method for regulating a voltage transformer, voltage transformer, and operating device with a voltage converter |
| 02/23/2011 | EP2286496A1 Protection device against corrosion for an on-board electrical system, and method for controlling said on-board electrical system |
| 02/23/2011 | EP2286426A1 Device and method for monitoring a protection apparatus |
| 02/23/2011 | EP1561267B1 Residual current devices |
| 02/23/2011 | CN201751437U Smoke discharging system of texturing machine table |
| 02/23/2011 | CN101981778A Protection device |
| 02/23/2011 | CN101981777A Protection device |
| 02/23/2011 | CN101981774A Method and arrangement for generating an error signal |
| 02/23/2011 | CN101980408A Overcurrent protection circuit |
| 02/23/2011 | CN101592517B Protection circuit of excitation power supply of weighing sensor |
| 02/23/2011 | CN101060239B Power usage site intelligent management device |
| 02/22/2011 | US7894175 Non-intrinsically safely supplied measurement device |
| 02/22/2011 | US7894174 Method and apparatus for fault detection scheme for cold cathode fluorescent lamp (CCFL) integrated circuits |
| 02/22/2011 | US7894173 Enhancing bandwidth of ESD network using transformers |
| 02/22/2011 | US7894169 High resistance ground protection employing AC drive characteristics |
| 02/22/2011 | US7893735 Reset circuit and system having reset circuit |
| 02/17/2011 | WO2011017721A1 Method for detecting arcs in photovoltaic systems and such a photovoltaic system |
| 02/17/2011 | WO2010121181A3 System and method for over-voltage protection in a photovoltaic system |
| 02/17/2011 | US20110038087 Discharge protection apparatus and method of protecting an electronic device |
| 02/17/2011 | DE102009037641A1 Brake control device for controlling operating brake function e.g. anti-block function, in hand brake of motor vehicle brake system, has transistors controlled by switching circuit to realize active reverse polarity protection |
| 02/17/2011 | DE102005017295B4 Relais-Parallelschaltung für eine hydraulische Bremsanlage Relay in parallel for a hydraulic brake system |
| 02/16/2011 | EP2283555A1 Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 02/16/2011 | EP2282913A1 Switch module for a power supply network and power supply network comprising at least one switch module |
| 02/16/2011 | CN201750616U Electronic ballast and fluorescent lamp |
| 02/16/2011 | CN201750604U Output over-voltage self-locking circuit |
| 02/16/2011 | CN201750359U Household photovoltaic dual-closed-loop control inverter |
| 02/16/2011 | CN201750351U Direct-current (DC) power supply based on inductive energy storage and without electrolytic capacitor |
| 02/16/2011 | CN201750339U Failure safe power module |
| 02/16/2011 | CN201750227U Intelligent household power management system |
| 02/16/2011 | CN201750182U Direct current power supply cabinet with voltage-reducing protection function |
| 02/16/2011 | CN201750129U Leakage protection grounding device for electrical massaging foot basin |
| 02/16/2011 | CN201750128U Power supply intelligent protector of portable flowing light control system |
| 02/16/2011 | CN201750127U Voltage difference actuation protection device |
| 02/16/2011 | CN201750126U Electronic single-phase line load limit automatic controller |
| 02/16/2011 | CN201750125U Short circuit self-locking protection circuit |
| 02/16/2011 | CN201750124U Intelligent management controller for safely using electricity in dormitory |
| 02/16/2011 | CN201750009U Household appliance leakage protection socket |
| 02/16/2011 | CN201747121U Portable intelligent safety fence |
| 02/16/2011 | CN201743908U Foot massager |
| 02/16/2011 | CN101978567A Digital protective relay device and data transmission device for the same |
| 02/16/2011 | CN101976880A Intelligent device for voltage dip protection |
| 02/16/2011 | CN101976828A M-BUS (Meter-Bus) intrinsic safety barrier |
| 02/16/2011 | CN101976825A Short circuit protection circuit for audio power amplifier |
| 02/16/2011 | CN101976817A Start-up protection method and device for commissioning of electric equipment |
| 02/16/2011 | CN101976816A Overload protection method and device |
| 02/16/2011 | CN101976815A Loaded multifunctional protection circuit |
| 02/16/2011 | CN101976814A Medical power supply management circuit |
| 02/16/2011 | CN101621216B Data sharing type area protection system based on IEC 61850 |
| 02/16/2011 | CN101499643B Over-voltage protection circuit |
| 02/16/2011 | CN101399436B Leakage arc protector for single sensor |
| 02/16/2011 | CN101329970B Insulation monitoring system |
| 02/16/2011 | CN101097476B Electric power processing system and method thereof |
| 02/15/2011 | US7890799 Self-correcting computer |
| 02/15/2011 | US7889476 Electronics for multipole remote operated relay |
| 02/15/2011 | US7889475 Power strip having surge protective devices |
| 02/15/2011 | US7889474 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units |
| 02/15/2011 | US7889473 Combination current sensor and relay |
| 02/15/2011 | US7889472 Dual voltage hot swap module power control |
| 02/15/2011 | US7889471 Power supply particularly for a meter-bus |
| 02/15/2011 | US7889469 Electrostatic discharge protection circuit for protecting semiconductor device |
| 02/15/2011 | US7889466 Fault circuit interrupter with bi-directional sensing |
| 02/15/2011 | US7889465 GFCI that cannot be reset until wired correctly on line side and power is applied |
| 02/15/2011 | US7889464 Leakage current detection interrupter with fire protection means |
| 02/10/2011 | WO2011015587A2 Device for supplying electrical energy from a plurality of strings of photovoltaic modules to a power grid |
| 02/10/2011 | US20110032652 Magnetic energy recovery switech having protective circuit |
| 02/10/2011 | US20110032651 Overvoltage protection element |
| 02/10/2011 | US20110032650 Reclosing control system and method using superconducting fault current limiter |
| 02/10/2011 | US20110032647 Semiconductor device including esd protection field effect transistor with adjustable back gate potential |
| 02/10/2011 | US20110032646 Methods and apparatus to manage ground fault conditions with a single coil |
| 02/10/2011 | US20110031982 Tamper-resistant electronic circuit and module incorporating electrically conductive nano-structures |
| 02/10/2011 | DE102009051735B3 Secondary sided driver circuit for controlling e.g. MOSFET utilized as TOP switch of half bridge circuit, has comparison element whose measuring input potential is approximately constant at different temperatures |
| 02/10/2011 | DE102009034887A1 Supply device for providing electrical energy at load circuit for charging electric vehicle, comprises safety and monitoring device separately associated with load |
| 02/10/2011 | CA2768521A1 Device for supplying electrical energy from a plurality of strings of photovoltaic modules to a power grid |
| 02/09/2011 | EP2282388A1 Device for feeding in electrical energy of a number of strings of photovoltaic modules in an electricity network |
| 02/09/2011 | EP2282219A1 Device and method for providing electrical energy at a branch circuit supplying a load |
| 02/09/2011 | EP2281937A2 Laundry treatment machine and control method thereof |
| 02/09/2011 | CN201742139U Charger |
| 02/09/2011 | CN201742135U Power supply intelligent management device |
| 02/09/2011 | CN201742086U Electrical protective device of remote monitoring unit |
| 02/09/2011 | CN201742082U Overdischarge protection device for storage battery |
| 02/09/2011 | CN201742080U Frequency converter differential input overcurrent protection circuit for centrifugal machine |
| 02/09/2011 | CN201742073U Coal leakage prevention detection device of coal mining and sampling system |
| 02/09/2011 | CN201742072U Intelligent power-saving controller |
| 02/09/2011 | CN201741652U Non-inductive fuse |
| 02/09/2011 | CN201741275U Full-automatic M-BUS collector |
| 02/09/2011 | CN201740813U Electric energy metering and monitoring meter |
| 02/09/2011 | CN101971449A Discharge circuit for high voltage networks |
| 02/09/2011 | CN101969230A Power supply loop monitoring device and system |
| 02/09/2011 | CN101969194A Interface anti-static method, anti-static protection circuit and electrical equipment |
| 02/09/2011 | CN101499655B Neutral point grounding resistor plant for electrical power system |
| 02/09/2011 | CN101453113B Grounding fault breaking apparatus having circuit status detection function |
| 02/09/2011 | CN101425684B Modular lightning protection device for electric power easy for replacement |
| 02/08/2011 | US7885049 Electrical power switching with efficient switch protection |
| 02/08/2011 | US7885048 Semiconductor device and an electronic apparatus incorporating the semiconductor device |
| 02/08/2011 | US7885045 Wiring device with multi-shot miswire |
| 02/08/2011 | US7885043 Remote-operable micro-electromechanical system based over-current protection apparatus |