High Voltage Test and Measuring equipment (AC Test Set)250kV,125kVA

 

Consisting of:

SL NO DESCRIPTION TYPE QTY
1

HV Test Transformer Pri. 400 V, 50 Hz, Sec. 250 kV, 62.5kVA continuous 125 kVA 1 Hr. On, 23 Hrs. Off Partial Discharge < 10 pC upto rated voltage (250 kV)

TEO
250-125Z
1
2 Control Desk (Motorised) with oil cooled auto transformer, switching cabinet SRP 0.5/75E 1
3 Capacitor Measuring 250 kV, 100 pF PD < 5 pC CM250 1
4 Voltmeter (AC peak--- 4.5 Digit, Digital Display) DSM 1
5 Electrodes for Corona free operation of HV Transformer EL300 1
6 Compensating Reactor DEL250T 1

Pre-despatch Tests at our Works on No-Load :

Sl.No HV Transformer (Type TEO 250-125Z) Capacitor (Coupling / Measuring) (Type CM 250)
a No load test on individual modules HV withstand Test at 275 kV, 50 Hz for 1 minute
b HV withstand Test at 275 kV, 50 Hz, for 1 minute Measurement of capacitance and Tan d at 20% Voltage Intervals
c 5 flashover Tests at 300 kV Measurement of Partial Discharge at 20% Voltage Intervals
d Partial Discharge Test before and after the Test (b) and (c) at 20% Voltage Intervals.