Taiyuan Wittel QJR soft start switch current unbalance fault is what reason?
In operation, measure whether the three-phase current of the load end is equal with a caliper table, or whether the three-phase current is measured together to see whether the current is zero!
There is a problem with either an internal virtual connection or a load end
For three-phase current balance clamp current meter, then there may be a fault current transmitter, controller failure, and check the line.
