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  • Users: Jachord
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  1. Jachord

    VFD causing noise on deceleration

    I have a piece of rotating machinery that is experiencing vibration and noise in the 200 to 300 RPM range on powered deceleration. The noise and vibration is gone when coasting to a stop. No noise or vibration on acceleration. This speed range is also a natural resonance point for this...

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