Featured patents

Alternator Voltage Regulator With a Programmable Signal Processing Interface
US 08829862 B2, Sept. 9, 2014, Generator Control, Pierre Tisserand et al. / Valeo Equipements Electriques Moteur (Creteil, FR)
A voltage regulator for an alternator of a motor vehicle, comprising:…

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:…

Direct Power and Stator Flux Vector Control of a Generator for Wind Energy Conversion System
US 08686695 B2, April 1, 2014, Including an electrical condition, Lars Helle et al. / Vestas Wind Systems A/S (Aarhus N., DK)
A method for generating a stator flux reference vector for controlling…

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:…

Electrical Machine Safety System
US 08648575 B2, Feb. 11, 2014, With armature or primary circuit control, John J A Cullen et al. / Rolls-Royce PLC (London, GB)
An electrical machine system comprising a permanent magnet assembly having…

Power Generator With Improved Controllability of Phase of Phase Current
US 08618776 B2, Dec. 31, 2013, Plural electrical conditions, Harumi Horihata / Denso Corporation (Kariya, JP)
A power 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:…

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…

Secondary Control System for Maintaining Motor Generator Power Generation During Primary Control Failure
US 08450983 B2, May 28, 2013, Power factor or phase relationships, Hiroshi Gokan et al. / Mitsubishi Electric Corporation (Chiyoda-Ku, Tokyo, JP)
An electric power converting apparatus, comprising:…

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