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Browse by Category: Main > Electrical & Energy
Class Information
Number: 322/25
Name: Electricity: single generator systems > Automatic control of generator or driving means > Plural conditions > Including an electrical condition > Plural electrical conditions > Voltage and current
Description: Subject matter wherein the plural electrical conditions to which the automatic control means are responsive are current and voltage.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7619905 Method of controlling connection of a supply of AC power to a load and to a power supply grid Nov. 17, 2009
7573243 Generator control arrangement Aug. 11, 2009
7569944 Wind power generation system and operating method thereof Aug. 4, 2009
7569942 Output voltage controller of engine-driven generator Aug. 4, 2009
7560908 Automatic voltage switching for generator voltage change Jul. 14, 2009
7560887 Control and power module for a rotating electric machine Jul. 14, 2009
7554301 Fault current limiting in an electrical power network Jun. 30, 2009
7552006 Vehicle-use battery monitor apparatus Jun. 23, 2009
7545122 Control method of generator Jun. 9, 2009
7545123 Control apparatus for vehicular AC generator Jun. 9, 2009
7545124 Connecting a prime mover driven alternator to a circuit with an existing alternating current Jun. 9, 2009
7541685 Vehicle-mounted alternator Jun. 2, 2009
7538521 Electrical power supply arrangement for an aircraft May. 26, 2009
7531991 Output voltage regulator for engine-driven generator May. 12, 2009
7531992 Control system for controlling output of power generator May. 12, 2009
7514906 Automotive rotary electrical apparatus Apr. 7, 2009
7508172 Failure detection apparatus for an alternator Mar. 24, 2009
7498776 Control device for vehicle AC generator Mar. 3, 2009
7498775 Electric machine Mar. 3, 2009
7495399 Power output apparatus and vehicle including the same Feb. 24, 2009
7486053 Power manager for an electrical power generator Feb. 3, 2009
7446426 System and method for boosting torque output of a drive train Nov. 4, 2008
7420353 Method and system for communicating voltage regulator switching information to a vehicle computer Sep. 2, 2008
7391186 Vehicle alternator monitoring system and related failure monitoring method Jun. 24, 2008
7368892 Method and apparatus for controlling power generation using gradually exciting technique May. 6, 2008
7352157 Voltage regulator with improved protection and warning system Apr. 1, 2008
7321221 Method for operating a wind power plant and method for operating it Jan. 22, 2008
7315149 Vehicle generator Jan. 1, 2008
7292007 Vehicular electric generation control apparatus and related method of detecting electric generation status Nov. 6, 2007
7286332 Apparatus for protecting bicycle electrical components Oct. 23, 2007
7282893 Method and apparatus for generator control Oct. 16, 2007
7283899 Vehicle alternator and methods for controlling torque loading of the vehicle alternator on an engine Oct. 16, 2007
7276806 System and method for boosting torque output of a drive train Oct. 2, 2007
7265463 Rotary electric apparatus with high cooling performance Sep. 4, 2007
7250735 Driving circuit of a fan Jul. 31, 2007
7233129 Generator with utility fault ride-through capability Jun. 19, 2007
7224145 Control and power module for integrated alternator-starter May. 29, 2007
7215100 Generator transient regulator May. 8, 2007
7196497 Vehicle-mounted electrical generating system in which field current of electric generator supplying power to high-voltage system is derived from supply voltage of low-voltage system Mar. 27, 2007
7196498 Method and apparatus for generator control Mar. 27, 2007
7183749 Vehicle generator control system Feb. 27, 2007
7180270 Frequency converter for high-speed generators Feb. 20, 2007
7161330 Energy discharge apparatus Jan. 9, 2007
7126520 Segmented sawtooth generator Oct. 24, 2006
7119519 Control apparatus for on-vehicle generator that sends power from the battery to the field winding and from the field winding back to the battery Oct. 10, 2006
7106028 Controller of A.C. generator for vehicles Sep. 12, 2006
7106029 Vehicle generator and vehicle generating system Sep. 12, 2006
7098629 Generator apparatus Aug. 29, 2006
RE39212 Abnormality detection apparatus for power supply circuit Aug. 1, 2006
7084610 Alternator rectifier Aug. 1, 2006

1 2 3 4 5


 
 
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