Recent content by ahendawy85

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    VSD output is erratic in no load test only.

    Hi all, I have a problem with a VSD at work that's been confusing. I am a field service engineer for an oil service company, my line of work is in electric submersible pumps (ESP). The ESP motor is a 3 phase induction motor. Power here is 380V 50 HZ.We were using a VSD for motor control. The...