Featured patents

Controller and Systems of Permanent Magnet Alternator and Motor
US 08823333 B2, Sept. 2, 2014, Generator Control, Hideo Kawamura / (Kanagawa, JP)
A controller of a permanent magnet generator, comprising:…

System and Method for Optimization of Dual Bridge Doubly Fed Induction Generator (DFIG)
US 08791671 B2, July 29, 2014, Voltage of generator or circuit supplied, David Smith et al. / General Electric Company (Schenectady, US)
A doubly fed induction generator system, comprising:…

Drive Controlling Apparatus and Power Generation Controlling Method
US 08872483 B2, Oct. 28, 2014, Driving Means Control, Shinji Kawasumi / Shindengen Electric Manufacturing Co., Ltd. (Tokyo, JP)
A power generation controlling method of controlling a generator connected…

Circuit and Method for De-Energizing a Field Coil
US 08749206 B2, June 10, 2014, With excitation winding and / or circuit control, Michael Scheffer et al. / Infineon Technologies AG (Neubiberg, DE)
A circuit comprising:…

Synchronous Electrical Machine
US 08653797 B2, Feb. 18, 2014, Power factor or phase relationships, Stephen A. Long et al. / Rolls-Royce PLC (London, GB)
A synchronous electrical machine comprising a plurality of phases, detecting…

Static Exciter of a Field Winding and Method for Operating the Same
US 08624563 B2, Jan. 7, 2014, Generator Control, Luis Diez-Maroto et al. / Alstom Technology Ltd. (Baden, CH)
A static exciter of a field winding of an electric generator comprising:…

Method and Device for Regulation of a Rotary Electrical Machine for a Motor Vehicle
US 08618777 B2, Dec. 31, 2013, Voltage of generator or circuit supplied, Stéphane Fourmy et al. / Valeo Equipements Electriques Moteur (Creteil, FR)
A regulation device (1, 2) for controlling a polyphase rotary electrical machine…

Power Supply Apparatus
US 08541989 B2, Sept. 24, 2013, Including an electrical condition, Akihiko Iwata et al. / Mitsubishi Electric Corporation (Tokyo, JP)
A power supply apparatus 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:…

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