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) |
---|
09/13/2007 | DE202007001648U1 Vorrichtung zur Spannungsfreischaltung von Photovoltaikanlagen zur Ermöglichung des Einsatzes von Löschmitteln und zur sicheren Freischaltung von Netzen Apparatus for voltage activation of photovoltaic systems to enable the implementation of extinguishing agents and for reliable activation of networks |
09/13/2007 | DE102006011139A1 Multi-phase e.g. three-phase, electrically commutating electric motor operating method for motor vehicle, involves conducting short-circuit current via error free electronic switches of commutating arrangement by closed switch |
09/13/2007 | DE102006010386A1 Abnormal condition processing method for backup-type power supply system involves determining loading value of each power supply module, executing process for abnormal conditions when duty loading values exceed overload allowable ranges |
09/12/2007 | EP1833135A1 Switchgear with a plurality of outgoing feeders and method for interrupting an overcurrent. |
09/12/2007 | EP1833134A2 Control device for a closure member of a vehicle |
09/12/2007 | EP1831982A1 Electric power flow control |
09/12/2007 | CN200947542Y Overcharging, overdischarging protection voltage detection device for multi-string large lithium ion battery series |
09/12/2007 | CN200947541Y Instant fault-proof system for electrical equipment |
09/12/2007 | CN200947540Y Controllable gap for protecting transformer neutral point |
09/12/2007 | CN101036260A Cordless power tool with a protected weak link element |
09/12/2007 | CN101034852A System and method for electrification reset and under-voltage locking scheme |
09/12/2007 | CN101034817A Disposable 9V lithium battery security device |
09/12/2007 | CN101034816A Protection device for non-common ground buses |
09/12/2007 | CN101034805A Ic power supply protection circuit |
09/12/2007 | CN101034802A Impedance protection method of serial compensation capacitance direction based on the voltage compensation |
09/12/2007 | CN101034801A Online testing method of electrical arc light protection unit |
09/12/2007 | CN101034800A Protection control system for isolated island effect prevention of parallel network reverse power generation device and its method |
09/12/2007 | CN101034798A Power convertor output protection circuit |
09/11/2007 | US7268988 Apparatus and method for detecting rotation |
09/11/2007 | US7268443 Wind turbine generator system |
09/11/2007 | US7268352 Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument |
09/06/2007 | US20070206395 Class E Amplifier With Inductive Clamp |
09/06/2007 | DE102007008928A1 Vorrichtung und Verfahren zur Ansteuerung einer Inverterschaltung Apparatus and method for controlling an inverter circuit |
09/06/2007 | DE102006009936A1 Anordnung zur Stromverteilung sowie deren Kontaktierung und Absicherung der abgehenden Leitungen Arrangement for power distribution as well as their contact and protect the outgoing lines |
09/05/2007 | EP1828994A1 Method and device for automatic systems designed to operate movable barriers |
09/05/2007 | EP1827927A1 Dual mode motor controller for a vehicle window wiper system |
09/05/2007 | CN200944570Y Motor control equipment |
09/05/2007 | CN200944534Y Generator power charging/discharging control and protection device |
09/05/2007 | CN200944533Y DC uninterrupted power source |
09/05/2007 | CN200944527Y Power distribution microcomputer protection device |
09/05/2007 | CN200944526Y Charging/discharging protection module of lithium power battery |
09/05/2007 | CN200944525Y Electromagnetic starting protector of air compressor |
09/05/2007 | CN101031449A Power output apparatus and vehicle having the same |
09/05/2007 | CN101030738A Direct current device and motor control device having same |
09/05/2007 | CN101030701A Cascade active voltage-stabilizing controller of power switch |
09/05/2007 | CN101029915A Method for measuring winding temperature and overheat protecting AC inductive motor |
09/05/2007 | CN100336296C Relay circuit for bi-directional DC motor |
09/05/2007 | CN100336275C Transformer differential protection method based on virtual magnetic flux-differential current characteristics |
09/05/2007 | CN100336150C Operation plate 220 V power source trip protection device |
09/05/2007 | CN100335912C Small Current earthing line selecting method based on model parametric recognition |
09/04/2007 | US7265957 Restoring electrical load to distribution feeder circuits |
09/04/2007 | US7265954 Method for estimating DC motor coil temperature, DC motor control method and their devices |
09/04/2007 | US7265518 Method of automatically cutting off power in case of low battery voltage in mobile electronic unit |
09/04/2007 | US7265516 Linear electric motor controller and system for providing linear control |
09/04/2007 | US7265457 Power control apparatus |
09/04/2007 | US7264482 Anisotropic conductive sheet |
08/30/2007 | WO2007097181A1 Battery pack, and battery protecting method |
08/30/2007 | WO2007097012A1 Power supply apparatus and control method therefor |
08/30/2007 | WO2007096831A1 Battery low-voltage cutoff circuit |
08/30/2007 | US20070201252 Control circuit having two-level under voltage lockout threshold to improve the protection of power supply |
08/30/2007 | US20070200534 Vehicle generator |
08/30/2007 | US20070200431 Dead battery preventing device for preventing engine start failure of vehicle having economy running function and dead battery prevention method |
08/30/2007 | DE102007008731A1 Inverter for operating motor during installation, has counter for counting control signals for microcomputer from moment in which protection circuit begins to operate, and converter circuit outputting number of clock signals |
08/30/2007 | DE102006008644A1 Elektronisches Bauelement mit Überlastungsschutz Electronic component with overload protection |
08/30/2007 | DE102006008292A1 Überlastschutz für steuerbare Stromverbraucher Overload protection for controllable current consumer |
08/29/2007 | EP1826891A2 Control drive circuit for electric power tool |
08/29/2007 | EP1826883A2 Electric motor controller |
08/29/2007 | EP1826352A1 Closing and opening system of a vehicle and method for controlling a driving device of such closing and opening system |
08/29/2007 | EP1825583A1 Master breaker device for back-up protection against electric shock in earthed user units with mains voltage dependent residual current triggering and high selectivity |
08/29/2007 | EP1256154B1 Method of electronically monitoring and controlling a process for the adjustment of mobile parts |
08/29/2007 | EP1071982B1 Apparatus and method for controlling an electric assist steering system |
08/29/2007 | CN200941594Y Stageless governing controller of autocar air conditioning fan |
08/29/2007 | CN200941555Y Combined power source surge protector |
08/29/2007 | CN200941553Y Short-circuit protective circuit of dc. power source |
08/29/2007 | CN200941552Y Three-phase motor protector |
08/29/2007 | CN200941551Y Work protector of single-phase motor |
08/29/2007 | CN200941550Y Motor protector |
08/29/2007 | CN200941549Y Small motor protector |
08/29/2007 | CN200941547Y Protector for stationery torque coupler |
08/29/2007 | CN101026354A Brushless DC motor locking protection circuit |
08/29/2007 | CN101026313A Multifunctional intelligent solar lamp controller |
08/29/2007 | CN101026301A Method, apparatus and computer program product for injection current |
08/29/2007 | CN101026298A Electric power tool |
08/29/2007 | CN101026297A Lithium cell protecting device |
08/29/2007 | CN101026295A Non-grounding neutral point system low-voltage leakage protection method and its equipment |
08/29/2007 | CN101025046A Built-in insertion-type concrete vibrator for electric motor and its anormal operation protection method |
08/28/2007 | US7262981 System and method for regulating resonant inverters |
08/28/2007 | US7262979 Current source wave voltage inverter voltage-clamping and soft-switching techniques, and fuel cell system using the same |
08/28/2007 | US7262589 Pulse width modulation power regulator and power supply system thereof |
08/28/2007 | US7262585 Method and apparatus for bi-directional current limit in a dual-power source capable device |
08/28/2007 | US7262531 Magnetic suspension bearing |
08/28/2007 | US7262521 Variable AC voltage regulation control method and apparatus |
08/28/2007 | US7262520 Robust power distribution systems and methods |
08/23/2007 | WO2007093496A1 Method for limiting the excess force of a closing part which is actuated by an external force |
08/23/2007 | WO2007093420A1 Seat control electronic system and method for a motor-driven motor vehicle adjusting device |
08/23/2007 | WO2007093419A1 Jamming protection and method for controlling a motor-driven adjusting apparatus for an adjustring apparatus |
08/23/2007 | WO2007093418A1 Jamming protection and method for controlling a motor-driven adjusting apparatus |
08/23/2007 | WO2007056564A9 A tool for generating fault response tolerances for a switching device |
08/23/2007 | US20070195567 Medium voltage inverter system |
08/23/2007 | US20070195566 Over voltage clamp |
08/23/2007 | US20070195486 Charge storage device |
08/23/2007 | US20070194761 Charging control apparatus, charging control method |
08/23/2007 | US20070194760 Generator control arrangement |
08/23/2007 | US20070194624 System for the supply of electrical energy in a motor vehicle |
08/23/2007 | CA2640602A1 Circuit arrangement for providing a dc operating voltage |
08/22/2007 | EP1820961A1 Feed limiting device for limiting feedings to electrical components and control device |
08/22/2007 | CN2938563Y Oil-immersed pressure reducer for motor |
08/22/2007 | CN2938560Y Case structure of motor starting protector |
08/22/2007 | CN2938522Y Overload protection circuit of power lithium ion battery |
08/22/2007 | CN2938521Y Abnormal spark detection protector for brush DC motor |