Essays about: "momentpulsationer"
Found 1 essay containing the word momentpulsationer.
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1. Construction, testing and verification of a brushless excitation system with wireless control of the field current in a synchronous generator.
University essay from Uppsala universitet/ElektricitetsläraAbstract : Synchronous generators have been used in hydropower from more than a century where, traditionally, the field current is transferred to the rotor using slip rings and carbon brushes. There are some major disadvantages following the use static excitation; regular and expensive maintenance, as well as a source of carbon dust which, due to buildup, may cause short circuits. READ MORE
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