| 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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| 02/14/2007 | CN1300906C Quick discrimination method for dynamic impedance of parallel reactor |
| 02/14/2007 | CN1300905C Discrimination method for low-frequency resonant protection of parallel reactor |
| 02/13/2007 | US7177130 Overcurrent detection and protection apparatus for switching element |
| 02/13/2007 | US7177124 Brushless DC fan motor driving circuit |
| 02/13/2007 | US7176804 Protection of power semiconductor components |
| 02/13/2007 | US7176666 DC regulated power supply comprising |
| 02/13/2007 | US7176665 Analog current sense circuit |
| 02/13/2007 | US7176659 Vehicle electrical power supply system for supplying power to a high power load |
| 02/13/2007 | US7176658 Controller for permanent magnet alternator |
| 02/13/2007 | CA2461173C Movable barrier operator |
| 02/13/2007 | CA2374619C Method for nonvolatile storage of at least one operating data value of an electrical motor and electrical motor for said method |
| 02/08/2007 | WO2007015924A1 Fault management of hts power cable |
| 02/08/2007 | WO2005081839A3 Apparatus and method for minimizing power loss associated with dead time |
| 02/08/2007 | US20070030711 Power supply adapter for connecting multiple loads |
| 02/08/2007 | US20070030710 Circuit for testing inrush current |
| 02/08/2007 | US20070030606 System and method for fault protection for permanent magnet machines |
| 02/08/2007 | US20070029978 Monolithic alternator regulator with configurable regulation modes |
| 02/08/2007 | US20070029977 Electric generation control apparatus for vehicle alternator |
| 02/08/2007 | DE112005000388T5 Vielseitiger und intelligenter Leistungssteller Versatile and intelligent power controller |
| 02/08/2007 | DE10315240B4 Rechnergestütztes Prüfverfahren für eine Anordnung elektrischer Geräte, ein auf einem Datenträger gespeichertes Computerprogramm und Rechner! Computer-based test methods for an array of electrical equipment, a computer program stored on a disk and computer! |
| 02/08/2007 | DE102006026683A1 Pinch condition detecting apparatus for use in e.g. window regulator, has controller measuring operating characteristic in circuit and comparing measured value for operating characteristic against preset value |
| 02/07/2007 | EP1750345A2 Battery pack with integrated battery protection circuit |
| 02/07/2007 | EP1750344A2 Battery pack with integrated battery protection circuit |
| 02/07/2007 | EP1665490B1 Control device for an alterno-starter, particularly for a motor vehicle |
| 02/07/2007 | CN2867719Y Mining intelligent electromagnetic starting machine |
| 02/07/2007 | CN2867691Y Charging controller |
| 02/07/2007 | CN2867685Y High-capacity sealed lead-acid battery passive protector |
| 02/07/2007 | CN2867684Y Secondary battery protective device capable of maintaining power supply |
| 02/07/2007 | CN2867683Y Parallel power supply secondary battery overdischarge protective device |
| 02/07/2007 | CN2867413Y Electric oscillating feeding machine electricity saving control protecting machine |
| 02/07/2007 | CN1910070A Vehicle electrical protection device and system employing same |
| 02/07/2007 | CN1909756A Reverse-current driving circuit |
| 02/07/2007 | CN1909325A Battery pack with circuit protection function |
| 02/07/2007 | CN1909318A Electrical power monitoring device for fan |
| 02/07/2007 | CN1909317A Motor protection device |
| 02/07/2007 | CN1909315A Multiple-output electric power and its overcurrent detecting and protecting method |
| 02/07/2007 | CN1908440A Air-tight compressor thermal protector |
| 02/07/2007 | CN1299554C IC for embedded low drop off voltage reglator and method for decreasing circuit board size demand |
| 02/07/2007 | CN1299430C Overcurrent protecting circuit for voltage regulator |
| 02/07/2007 | CN1299412C Method for realizing direction protecting by flowing direction changing of same side current |
| 02/06/2007 | US7173834 Half-controlled silicon-controlled rectifying system and method thereof |
| 02/06/2007 | US7173800 Time-optimum reception of protection commands in a remote tripping device |
| 02/06/2007 | US7173389 Motorized barrier operator adapted to vary operator force for safety purposes and methods for accomplishing the same |
| 02/06/2007 | CA2461178C Movable barrier operator |
| 02/01/2007 | WO2007013724A1 Abrupt metal-insulator transition device, circuit for removing high-voltage noise using the abrupt metal-insulator transition device, and electrical and/or electronic system comprising the circuit |
| 02/01/2007 | US20070025125 Switching power supply unit |
| 02/01/2007 | US20070025031 Multi-voltage power supply |
| 02/01/2007 | US20070025030 Leakage current detection circuit and leakage current comparison circuit |
| 02/01/2007 | US20070024248 Method of calculating power generating torque of synchronous generator |
| 02/01/2007 | US20070024247 Power generation apparatus using AC energization synchronous generator and method of controlling the same |
| 02/01/2007 | DE102006033527A1 Elektronisch kommutierter Motor und Verfahren zur Steuerung eines elektronisch kommutierten Motors Electronically commutated motor and method for controlling an electronically commutated motor |
| 02/01/2007 | DE102006027828A1 Motorsteuervorrichtung The motor control apparatus |
| 02/01/2007 | DE102005038517A1 Electric motor e.g. tubular motor, controlling device for drive of e.g. rolling shutter, has evaluating unit to evaluate signals in terminals, such that switching unit disconnects voltage interconnection when motor rating behavior deviates |
| 02/01/2007 | DE102005035056A1 Verfahren zum Schutz einer elektrischen Schaltung A method of protecting an electrical circuit |
| 02/01/2007 | DE102005028211B4 Schaltungsanordnung zum Verbinden eines ersten Schaltungsknotens mit einem zweiten Schaltungsknoten und zum Schutz des ersten Schaltungsknotens vor einer Überspannung Circuit arrangement for connecting a first circuit node to a second circuit node and to protect the first circuit node from an overvoltage |
| 01/31/2007 | EP1748545A2 Electronically comutated motor and method for controling an electronically comutated motor |
| 01/31/2007 | EP1748528A1 Method for the control of an asynchronous motor |
| 01/31/2007 | CN2865103Y Z-type interface protection circuit |
| 01/31/2007 | CN2865102Y Magnetic hold electromagnetic switch mechanism for electricity-leakage compound protector |
| 01/31/2007 | CN2865101Y Multifunctional wind-electrical locking combined switch for mining flame-proof type double power |
| 01/31/2007 | CN1905988A Method for switching off an electric machine tool when blocked, and an electric machine tool |
| 01/31/2007 | CN1905305A Single phase grounding trouble on line wire selecting protection device and method |
| 01/31/2007 | CN1905304A Programmable speed testing controlling system |
| 01/31/2007 | CN1297422C Motor control circuit of reflector device |
| 01/30/2007 | US7170262 Variable frequency power system and method of use |
| 01/30/2007 | US7170197 Switching power supply controller with built-in supply switching |
| 01/25/2007 | WO2005060061A3 Device for controlling a final power-output stage |
| 01/25/2007 | US20070019933 Amperage control for protection of battery over current in power tools |
| 01/25/2007 | US20070019448 Power converter |
| 01/25/2007 | US20070019447 Active resistors for reduction of transient power grid noise |
| 01/25/2007 | US20070019344 Superconducting resistive current limiter with a shunt |
| 01/25/2007 | US20070019343 Power overload detection method and structure therefor |
| 01/25/2007 | US20070018518 Magnetic bearing |
| 01/25/2007 | DE102005031811A1 Verfahren und Vorrichtung zur Überwachung und Absicherung von elektrischen Stromkreisen Method and apparatus for monitoring and protection of electrical circuits |
| 01/25/2007 | DE102005022060A1 Monitoring system for e.g. generator of electrical power supply, has evaluation and monitoring electronics providing signal indicating interruption during occurrence of temperature difference at temperature sensors and change of difference |
| 01/24/2007 | EP1746709A2 Short-circuit detection system |
| 01/24/2007 | EP1746702A2 Battery pack with integrated battery protection circuit |
| 01/24/2007 | EP1745535A1 Device for protection against thermal overload |
| 01/24/2007 | EP1745336A1 Circuit arrangement and method for electrically controlling and/or regulating the movement of an electrically driven unit |
| 01/24/2007 | CN2862469Y Battery reverse-install prevention circuit for battery charger |
| 01/24/2007 | CN2862462Y Overload protector for motor |
| 01/24/2007 | CN2862461Y Error-action preventing circuit for thyristor in SVC system |
| 01/24/2007 | CN1902809A DC/DC converter and decentralized power generation system comprising a DC/DC converter |
| 01/24/2007 | CN1902798A Method and device for fault detection in transformers or power lines |
| 01/24/2007 | CN1901343A Power convertion circuit with protective self locking function |
| 01/24/2007 | CN1901317A Transient state stabilizing analysis and control method for power system |
| 01/24/2007 | CN1901314A Fault line selecting method for distribution system single phase earthing |
| 01/24/2007 | CN1901313A Method for selective leakage protection of electric feeding switch protector |
| 01/24/2007 | CN1901312A Motor controller |
| 01/24/2007 | CN1901311A High power abnormal and over protective switch based on thyrister |
| 01/24/2007 | CN1901309A Less voltage protector |
| 01/24/2007 | CN1297050C Power transmission line longitudinal linkage protective method |
| 01/24/2007 | CN1297049C Power supplier with spark preventive function and method thereof |
| 01/24/2007 | CN1297048C Fault-tolerant discrimination method for turn-to-turn short-circuit protection of parallel reactor |
| 01/23/2007 | US7167348 Miniaturized motor overload protector |
| 01/23/2007 | US7166990 Battery low-voltage protecting device |
| 01/23/2007 | CA2240414C Isolated electrical power supply |
| 01/18/2007 | WO2007006273A1 Circuit arrangement and method for operating at least one electric lamp |
| 01/18/2007 | WO2007006141A1 Method and apparatus for providing a remedial strategy for an electrical circuit |
| 01/18/2007 | US20070014134 Inrush current control circuit |