Featured patents

Variable Speed Constant Frequency System With Generator and Rotating Power Converter
US 08836293 B1, Sept. 16, 2014, Voltage and current, Jacek F. Gieras et al. / Hamilton Sundstrand Corporation (Windsor Locks, US)
A generator system comprising:…

Rotating Kinetic and Potential Energy Frequency Regulation Device for Fast Response Large Scale Electric Power Applications
US 08803487 B2, Aug. 12, 2014, With Flywheels or Massive Moving Parts, James G. P. Dehlsen et al. / Dehlsen Associates, LLC (Santa Barbara, US)
A frequency regulation device for electric power applications comprising:…

Control Method for Doubly-Fed Electric Generator
US 08742732 B2, June 3, 2014, Plural conditions, Reijo Kalevi Virtanen / ABB Oy (Helsinki, FI)
A method of controlling a doubly-fed electric generator with a frequency…

Vehicle-Use Electric Rotating Machine
US 08716983 B2, May 6, 2014, Including an electrical condition, Harumi Horihata / Denso Corporation (Kariya, JP)
A vehicle-use electric rotating machine comprising:…

Method and Apparatus for Modifying the Sensitivity of an Electrical Generator to a Nonlinear Load
US 08716984 B2, May 6, 2014, With respect to a reference or master device or quantity, Michael Lynn Westra et al. / Advanced Energy Industries, Inc. (Fort Collins, US)
A generator comprising:…

Field Winding Type Rotary Electric Machine
US 08680819 B2, March 25, 2014, Plural electrical conditions, Masato Mori et al. / Mitsubishi Electric Corporation (Tokyo, JP)
A field winding type rotary electric machine comprising:…

Generator Device With Overvoltage Monitoring
US 08552694 B2, Oct. 8, 2013, Electrical conditions in circuit other than that of generator being controlled, Michael Herz et al. / Robert Bosch GmbH (Stuttgart, DE)
A generator device comprising:…

System and Method for Directly and Instantaneously Controlling Exciter of Generator
US 08525489 B2, Sept. 3, 2013, Plural electrical conditions, Donghee Lee et al. / Kyungsung University Industry Cooperation Foundation (Busan, KR)
A system for directly and instantaneously controlling an exciter of a generator,…

Shore Power Transfer Switch
US 08513925 B2, Aug. 20, 2013, Generator Control, Mitchell E. Peterson et al. / Cummins Power Generation IP, Inc. (Minneapolis, US)
A method, comprising:…

Low-Voltage Harmonic Filter for Full-Scale Converter Systems
US 08466661 B2, June 18, 2013, Generator Control, Lars Helle et al. / Vestas Wind Systems A/S (Aarhus N, DK)
A wind turbine facility comprising a power generator adapted to convert…

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