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Article | REF: D3525 V1

Double excited synchronous machines (DESM)

Authors: Lionel VIDO, Yacine Amara, Mohamed GABSI

Publication date: February 10, 2011

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3. Functional analysis

As dual excitation machines are essentially designed for variable speed operation, we will only deal with variable frequency operation in this dossier.

Two modes of operation can be envisaged in this case: open-loop and autopilot operation .

In both cases, two types of operation are to be considered:

  • engine operation,

  • generator operation (alternator).

For on-board power generation applications in motor vehicles, the electrical machine generally operates in open-loop generator mode. Indeed, given cost constraints,...

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