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What kind of motors are protected by power factor relays

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  1. mcmahanrf is offline Junior Member Pro Subscriber
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    What kind of motors are protected by power factor relays

    Options were:
    a. Induction
    b. Synchronous
    c. DC
    d. All Motors

    Induction wasn't the answer, from what I could google it seemed that Synchronous Motors might be the answer from this article.

    https://www.gegridsolutions.com/prod...chures/spm.pdf

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