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Single Stage AC/ DC Impulse Test system
AC TEST SET - 300 kV
High Voltage Test And Measuring equipment (AC Test Set)
300 kV, 75kVA continuous. 150 kV, 1Hr. ON 23 Hrs. off
Consisting of :
| SL. No. |
DESCRIPTION |
TYPE |
QTY. |
| 1. |
HV Test Transformer
Pri. 400 V, 50 Hz,
Sec. 300 kV, 75kVA continuous
150 kVA 1 Hr. On, 23 Hrs. Off
Partial Discharge < 10 pC upto rated voltage (300 kV |
TEO
300/150Z |
1 |
| 2. |
Control Desk
(Motorised)
with oil cooled auto transformer, switching cabinet |
SRP
0.5/75E |
1 |
| 3. |
Capacitor
(Coupling / Measuring)
300 kV, 1000 pF PD < 5 pC |
CK
300 |
1 |
| 4. |
Voltmeter
(AC peak--- 4.5 Digit, Digital Display) |
DSM |
1 |
| 5. |
Electrodes
for Corona free operation of HV Transformer |
HSV 300 |
1 |
Pre-despatch Tests at our Works on No-Load :
| HV Transformer (Type TEO 100/20): |
Capacitor (Coupling/Measuring) Type CK 300: |
- No-Load and short circuit Tests
- HV withstand Test at 330 kV, 50 Hz, for 1 minute
- 5 flashover Tests at 300 kV
- Partial Discharge Test before and after the Test
(b) & (c) at 20 % Voltage Intervals.
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- HV withstand Test at 330 kV, 50 Hz, for 1 minute.
- Measurement of capacitance and Tan d at 20%
Voltage Intervals.
- Measurement of Partial Discharge at 20% voltage
Intervals.
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