| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 02/11/2010 | US20100033997 Timed electrical outlet and a method of operation thereof |
| 02/11/2010 | US20100033122 Method and system for detecting a failed current sensor in a three-phase machine |
| 02/11/2010 | DE102008040515A1 Verfahren zum Betreiben eines Treibers für einen leistungselektronischen Schalter A method of operating a driver for a power-electronic switch |
| 02/11/2010 | DE102005036317B4 Verfahren und Vorrichtung zum Bestimmen der Verlustleistung eines elektronischen Schalters, Wechselrichter, Windenergieanlage mit Verfahren zur Steuerung Method and apparatus for determining the power dissipation of an electronic switch, inverter, wind turbine with a method of controlling |
| 02/10/2010 | CN201403072Y Bidirectional input and constant-direction output electric motor driving system |
| 02/10/2010 | CN201403057Y Portable solar energy mobile power supply |
| 02/10/2010 | CN201402974Y 继电保护故障信息处理系统 Relay Fault Information Processing System |
| 02/10/2010 | CN201402973Y Protective device for power supply lines |
| 02/10/2010 | CN201402972Y Power series-fed protection circuit |
| 02/10/2010 | CN201402971Y Anti-runaway protective circuit of controller of electric vehicle |
| 02/10/2010 | CN201402970Y Electricity economizer for system safety protection |
| 02/10/2010 | CN201402969Y Protection device for synchronous motor |
| 02/10/2010 | CN201402968Y Pulping circuit of soymilk maker |
| 02/10/2010 | CN201402967Y Anti-electricity dazzling device |
| 02/10/2010 | CN201402966Y Automatic electromotor protector |
| 02/10/2010 | CN201402924Y Multifunctional explosion-proof type alarm device |
| 02/10/2010 | CN201402917Y Mining flameproof and intrinsic safety type high-pressure vacuum electromagnetic starter |
| 02/10/2010 | CN201402311Y Motor transient energy-saving measuring and controlling instrument |
| 02/10/2010 | CN201402300Y Leakage action value judgment device with function of selective leakage judgment |
| 02/10/2010 | CN101647170A Electric power generation system and methods |
| 02/10/2010 | CN101647169A Phase control switch and switching pole control method in phase control switch |
| 02/10/2010 | CN101647168A Circuit protection device |
| 02/10/2010 | CN101645597A Online detection system of switchgear |
| 02/10/2010 | CN101645596A Protection device for speed regulating branch control cabinet of vibrating motor |
| 02/10/2010 | CN101645595A Rotating speed locking protective device of started motor |
| 02/09/2010 | US7660088 System, apparatus and method for compensating the sensitivity of a sequence element in a line current differential relay in a power system |
| 02/09/2010 | US7660083 Electromechanical and solid-state AC relay with reduced arcing |
| 02/09/2010 | US7659639 Connection unit for the connection of electrical components to a motor vehicle battery |
| 02/04/2010 | WO2010013824A1 Electrostatic atomizing device and air conditioner using same |
| 02/04/2010 | US20100027170 Electric vehicle |
| 02/04/2010 | US20100026447 Persistent Current Switch |
| 02/04/2010 | US20100026227 Motor control device |
| 02/04/2010 | US20100026225 Electric Device |
| 02/04/2010 | US20100026222 Dynamo-electric machine control system and vehicle driving system including the same |
| 02/04/2010 | US20100026221 Dual redundant variable field permanent magnet dynamoelectric machine |
| 02/04/2010 | DE102008043994A1 Sicherheitsausgabeeinheit zur Verwendung in einem Stromrichter und ein mit derselben versehener Stromrichter Safety output unit for use in a power converter and a power converter provided with the same |
| 02/04/2010 | DE102008035766A1 Radio device for use in battery pack of cordless screwdriver, has housing and contact arrangement designed such that device is connected and operated with charging device for battery pack for electrical hand-tool device |
| 02/03/2010 | EP2149955A2 An electrical protection arrangement for an electrical distribution network |
| 02/03/2010 | CN201398169Y Main generator control device of electric-driven rail car |
| 02/03/2010 | CN201398071Y Low current ground fault automatic isolation device based on line recloser |
| 02/03/2010 | CN201398070Y Circuit preventing polarity of accumulator from reverse connection |
| 02/03/2010 | CN201398069Y Guard plate for multi-series ferric phosphate lithium ion battery packs |
| 02/03/2010 | CN201398068Y Three-phase motor provided with phase failure protector |
| 02/03/2010 | CN201398067Y Casing insulator overvoltage protector on connection flange of ultrahigh voltage and transformer |
| 02/03/2010 | CN201398066Y Current transformer quadric circuit wire sealing device |
| 02/03/2010 | CN201398044Y Chassis for lightning protection branching |
| 02/03/2010 | CN201394863Y Overload protecting device for synchronous tooth-type belt of die cutting machine |
| 02/03/2010 | CN101641849A Fuse saving power distribution system fault protection |
| 02/03/2010 | CN101641848A Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker |
| 02/03/2010 | CN101640410A Relay utilizing fault transient state current component protection and application method thereof |
| 02/03/2010 | CN101640409A Power supply circuit for communication equipment network port isolation transformer |
| 02/03/2010 | CN101640408A Control protection device for solar battery convergent current |
| 02/03/2010 | CN101640407A Power supply conversion device and method thereof |
| 02/03/2010 | CN100588066C Method for realizing line differential protection based on long line equation |
| 02/03/2010 | CN100588065C Single phase grounding fault on line wire selecting protection device and method |
| 02/03/2010 | CN100588064C Device for high voltage nanosecond pulse signal real-time turnoff protection |
| 02/03/2010 | CN100588063C Reversion subversion protector for three-phase thyristor and full control bridge active reverser |
| 02/02/2010 | US7656632 Electronic circuit including a step-up circuit and electric appliance comprising the same |
| 02/02/2010 | US7656629 Safety switch for a safety circuit |
| 02/02/2010 | US7656624 IC power protection circuit |
| 02/02/2010 | CA2336547C Arrangement for protecting low-voltage control circuitry from externally applied high voltages, and dimming ballast employing such an arrangement |
| 02/02/2010 | CA2325101C Method of calculating surge propagation speed and system for locating fault points by the use thereof |
| 01/28/2010 | WO2010011580A1 System and method for creating and controlling a virtual power distribution unit |
| 01/28/2010 | WO2010010423A1 Protection against load dump on multiple automobile interfaces |
| 01/28/2010 | WO2010010251A2 Assembly of actuators and of a system for supplying electrical power from a network |
| 01/28/2010 | US20100020576 Power Converter Circuitry |
| 01/28/2010 | US20100020450 Power supply switching apparatus with severe overload detection |
| 01/28/2010 | US20100020449 Corrective device protection |
| 01/28/2010 | US20100019713 Method and device for protection against jamming in a motor-driven locking system |
| 01/28/2010 | US20100019579 Versatile and intelligent power controller |
| 01/28/2010 | US20100019572 Fusible link unit |
| 01/28/2010 | DE102008034619A1 Electrical circuit operating method for generating electrical energy in e.g. wind power generation system, involves connecting intermediate circuit with short-circuit resistance and short-circuiting switch |
| 01/28/2010 | CA2731552A1 Assembly of actuators and of a system for supplying electrical power from a network |
| 01/27/2010 | CN201393315Y Trigger with three ends connected in series |
| 01/27/2010 | CN201393169Y Wide-voltage DC-DC multi-isolated power supply circuit |
| 01/27/2010 | CN201393168Y Clean alternating current regulated power supply |
| 01/27/2010 | CN201393062Y Lightning stroke prevention protection circuit of power supply port of equipment |
| 01/27/2010 | CN201393061Y Two-stage protective circuit structure of cell |
| 01/27/2010 | CN201393060Y Energy-saving battery module |
| 01/27/2010 | CN201393059Y Solar controller |
| 01/27/2010 | CN201393058Y Charge-discharge equalizing protection module of rechargeable battery pack |
| 01/27/2010 | CN201393057Y Over-voltage and under-voltage protection circuit |
| 01/27/2010 | CN201393056Y Protection and detection device of inverter |
| 01/27/2010 | CN201393055Y Device for rapidly testing rotation direction of single-phase asynchronous motor |
| 01/27/2010 | CN201393054Y Dual-motor open phase protector |
| 01/27/2010 | CN201393053Y Automatic anti-burning protection device for a three-phase alternating-current motor |
| 01/27/2010 | CN201392502Y Sampled-data mail box type transmitting interface circuit of digitization protective device |
| 01/27/2010 | CN101635451A Method for preventing asynchronous reclosing caused by connecting power supply with transformer station and power distribution station |
| 01/27/2010 | CN101635450A Circuit water-proof device |
| 01/27/2010 | CN101635449A Optimizing converter protection for wind turbine generators |
| 01/27/2010 | CN100586017C Switch voltage stabilizer |
| 01/27/2010 | CN100585975C Forward sequence direction quadrangle impedance relay applied for serial supplementary line |
| 01/27/2010 | CN100585529C Bank-note checking machine dedicated machine controller |
| 01/26/2010 | US7652901 High frequency excitation system |
| 01/26/2010 | US7652865 Earthing device which needs not be buried under ground |
| 01/26/2010 | US7652864 Thermal protection of a switch |
| 01/26/2010 | US7652858 Protection for permanent magnet motor control circuits |
| 01/26/2010 | US7652449 Battery management system and driving method thereof |
| 01/21/2010 | WO2009134046A3 Safety switch for secondary battery for electric vehicle and charging/discharging system for secondary battery for electric vehicle using the same |
| 01/21/2010 | US20100014196 Load driving circuit |