How to perform High Voltage Test,How to give HV in Control Panel #High voltage#HV Test#controlpanel
The purpose of HV TEST is to check the insulation level of the panel .
Here for a 415v panel a supply of 3000v is given gradually and at 3000v it is maintained for 15s to check the insulation level of the panel.
Megger test of transformer ll IR valu test of transformer ll 3 Phase
