Why did the voltage drawdown in production begin?
At the factory, voltage began to drop at times (380-345). Can 10kV coming to the transformer affect this? Or the case after the transformer?
Maybe before the transformer, maybe after. The load on the production equipment did not increase? Serving trr? Are you doing a broach? Maybe some new machines were put into operation? If not, then drawdowns along the high voltage line. You need to contact the network company and find out from them or the energy sales ...
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