AC drive @ Feed Generator supply issue

N

Thread Starter

Nallan

In our machine a diesel Gen set supplied AC drive of 185KW used for lifting application.

The basic issue is frequency measuring with analog and digital meters.
Analog is 50HZ but digital goes to 140HZ (Fluke meter).

The issue is when we checked the Generator output frequency through analog meter it was 50 HZ whereas in the digital frequency meter it goes up to 140HZ while drive is active.
 
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