Voltage Drop in Perkins Generator

D

Thread Starter

Dennis

I have a Perkins 40kw genset, set at 220/380 vac, 50 hz. Whenever I put a load on the genset, after an hour or so the voltage will drop from 380 to roughly 340ish. I checked the voltage regulator and the leads going out of the generator itself, but I cannot find the issue. Any suggestions?
 
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