33kV Vacuum break OLTC – INS4/A
Transformer Rating: Upto 25,000 Kva, Phase Curent Upto 300 Amps, Step Voltage Upto 900 Volts
| OLTC TECHNICAL SPECIFICATION | |
| MAX.VOLTAGE TO GROUND | 33 kV |
| MAX.VOLTAGE BETWEEN PHASES | 33 kV |
| MAX.CONTINUOUS CURRENT (amps) | 300 |
| MAX.OPERATING STEP VOLTAGE (volts) | 900 |
| MAX.NUMBER OF POSITIONS WITHOUT PRE SELECTOR | 17 |
| MAX.NUMBER OF POSITIONS WITH PRE SELECTOR | 33 |
| NUMBER OF PHASES | 3 X SINGLE PHASE |
| MAX.VOLTAGE OVER TAPS | 6600 V |
| LOCATION OF TAPS | ANYWHERE IN 33 kV WINDING |
| TEST VOLTAGES IN AIR | ||
| 1 MIN.RMS AC IN kV | IMPULSE kVp 1.2/50 MIC.SEC. | |
| ALL LIVE PARTS TO GROUND | 85 | 200 |
| BETWEEN PHASES | 85 | 200 |
| BETWEEN ADJACENT CONTACTS | 5 | 13 |
| OVER TAPPING RANGE | 25 | 60 |
| APPROX.TOTAL WEIGHT | 390 kgs |
| PACKING DIMESIONS(mm) | L-2840 X W-1040 X H-1610 |
