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  • Users: PLCTech105
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  1. PLCTech105

    Medium Voltage SMC-Flex Soft Starter - Pulsating Motor

    All, We have 400A medium voltage (2,300V) SMC-Flex soft starter on a 330 A Motor. About 1 year ago we noticed a significant pulsating at a consistent frequency (approx. once per second)... never faster or slower only louder or softer. When the load is removed and the motor is uncoupled the...

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