Method for checking an exciting current of a synchronous machine in generator operation
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United States of America Patent
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Mar 27, 2018
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app pub date -
Mar 20, 2013
filing date -
Mar 26, 2012
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Abstract
The method includes operating the synchronous machine in idle operation; recording a phase voltage measured value of the synchronous machine; ascertaining a phase voltage expected value by allocating stored characteristics map values for the phase voltage, for the exciting current and the recorded rotational speed of the synchronous machine; and comparing the phase voltage expected value to the phase voltage measured value. Also described is a diagnostic device for carrying out this method, as well as a corresponding computer program product.
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