After testing power transformer(pt) and close its wiring terminals I've encountr that phse S 63Kv correct voltage and pases R and T shows incorrct voltage 32Kv.
Can any body tell why?
After testing power transformer(pt) and close its wiring terminals I've encountr that phse S 63Kv correct voltage and pases R and T shows incorrct voltage 32Kv.
Can any body tell why?