VOLTAGE TRANSFORMER TESTING

TEST	EQUIPMENTS USED
1.    General Visual Check	a.    5KV Insulation Tester (Make: Megger)        b.    CPC 100 (Make: Omicron)
2.    Insulation Resistance Measurement
3.    Polarity Check
4.    VT Winding Resistance
5.    Ratio Test

*General Visual Checks Includes

·         Name Plate Details

·         HV & LV Terminal Marking

·         Checking for tightness

·         Fuse rating & MCB rating

·         Equipment Grounding system

·         VT Primary and Secondary Neutral Earth check and ground marking

·         VT rack in/out check