Products
On-Load Tap-Changer
15-33 KV
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Specification
| Rated voltage | 15-33 KV | ||
|---|---|---|---|
| Max. Rated through-current | 1600 A | ||
| Direction of power flow | Change-Over Selector | ||
| Tapping arrangement | Linear | ||
| Maximum Number of Tap Positions | 33 | ||
| Max. Rated Step Voltage | 1000 V | ||
| Rated Insulation level | Applied voltage (KV) | Full wave lightning impulse test (KV) | |
| (a)Tapchanger to Earth | 34 | 110 | |
| (b)Between phases | 34 | 110 | |
| (c)Between First and Last Contact | 26 | 70 | |
| (d)Between any two adjacent contacts | 15 | 45 | |
| (e)Between contacts of Change-Over selector | NA | NA | |
| Oil quantity | 960 liters | ||
| Weight of tap changer without oil | 750 Kgs. | ||
| Dimension of OLTC | VIEWCLOSE | ||
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(A)ABS 11
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Specification
| Maximum voltage rating | 11 kV | ||
|---|---|---|---|
| Maximum rated through-current | 65 A & 100 A | ||
| Tapping arrangement | Coarse –fine/Reversing | ||
| Direction of Power-flow | Bi-directional | ||
| Maximum number of tap positions | 17 | ||
| Rated step voltage | 250 V | ||
| Switching Capacity | 12.5 kVA and 25 kVA | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 12 | 28 | 75 |
| (b)Between phases | 28 | 75 | |
| (c)Over tapping range | 8 | 25 | |
| (d)Between adjacent contacts | 8 | 25 | |
| (e)Between contacts of pre selector | 8 | 25 | |
| Weight of tap changer | 380 kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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ABS 11
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Specification
| Maximum voltage rating | 11 kV | ||
|---|---|---|---|
| Maximum rated through-current | 200 A | ||
| Direction of power flow | Uni-directional | ||
| Tapping arrangement | Linear | ||
| Maximum number of tap positions | 17 | ||
| Switching capacity | 35kVA | ||
| Rated step voltage | 300 V | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 12 | 28 | 75 |
| (b)Between phases | 28 | 75 | |
| (c)Over tapping range | 25 | 70 | |
| (d)Between adjacent contacts | 20 | 50 | |
| (e)Between contacts of pre selector | NA | NA | |
| Oil quantity | 290 liters | ||
| Weight of tap changer with oil | 610 Kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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ABS 33
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Specification
| Rated voltage | 33 kV | |||
|---|---|---|---|---|
| Highest System Voltage | 36 kV | |||
| Maximum rated through-current | 200/300 A | |||
| Rated step voltage | 850 V | |||
| Switching capacity | 90/135 kVA | |||
| Rated Insulation level | Rated Separate Source AC withstand voltagekV(r.m.s)850 V | Rated lighting impulses withstand voltage kV(peak) | ||
| (a)Tapchanger to ground | 70 | 170 | ||
| (b)Between phases | 70 | 170 | ||
| (c)Over tapping range | 25 | 70 | ||
| (d)Between adjacent contacts | 12 | 30 | ||
| Type | ABS III 200/300 30 9 9 0 | ABS III 200/300 30 17 17 0 | ABS III 200/300 9 17 0G | ABS III 200/300 12 23 0G |
| Tapping arrangement | Linear | Linear | Coarse-fine/Reversing | Coarse-fine/Reversing |
| Direction of Power flow | Bi-directional | Uni-directional | Bi-directional | Bi-directional |
| Maximum Number of tap positions | 9 | 17 | 17 | 23 |
| Oil quantity | 335 Liters | 660 Liters | 390 Liters | 670 Liters |
| Weight of tap changer with oil | 675kg | 1060kg | 740kg | 1045kg |
| Dimension of OLTC | VIEWCLOSE | |||
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ABS 66
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Specification
| Rated voltage | 66 kV | ||
|---|---|---|---|
| Rated through-current | 300 A | ||
| Direction of power flow | Maximum number of tap positions | ||
| a)Uni-directional | 17 | ||
| b)Bi-directional | 23 | ||
| Tapping arrangement | 17 | ||
| Switching capacity | 23 | ||
| Rated step voltage | 1000 V | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 72 | 140 | 350 |
| (b)Between phases | 140 | 350 | |
| (c)Over tapping range | 80 | 200 | |
| (d)Between adjacent contacts | 20 | 70 | |
| (e)Between contacts of pre selector | NA | NA | |
| Oil quantity | 1765 Liters | ||
| Weight of tap changer with oil | 2250 kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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ABS 132
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Specification
| Rated voltage | 132 kV | ||
|---|---|---|---|
| Rated through-current | 300 A | ||
| Direction of power flow | Bi-Directional | ||
| Tapping arrangement | Coarse-Fine & Reversing | ||
| Rated step voltage | 1200 V | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 85 | 140 | 350 |
| (b)Between phases | 70 | 170 | |
| (c)Over tapping range | 45 | 200 | |
| (d)Between adjacent contacts | 45 | 200 | |
| (e)Between contacts of pre selector | 45 | 200 | |
| Oil quantity | 1364 Litres | ||
| Weight of tap changer with oil | 1810 kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T10-P/S-11kV-17P
Specification
| Rated voltage | 11 kV | ||
|---|---|---|---|
| Rated through-current | 100 A | ||
| Direction of power flow | Uni-Directional | ||
| Tapping arrangement | C/F, Reverser | ||
| Maximum No of tab position | 17 | ||
| Rated step voltage | 300 V | ||
| Switching Capacity | 30 kVA | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 12kV | 28kV | 75kVP |
| (b)Between phases | 28kV | 28kV | |
| (c)Over tapping range | 10kV | 10kV | |
| (d)Between adjacent contacts | 10kV | 28kV | |
| (e)Between contacts of pre selector | 10kV | 10kV | |
| Oil quantity | 47 Litres | ||
| Weight of tap changer with oil | 176 KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T15--33kV-9P
Specification
| Aplicable up to | 6/12 MVA | ||
|---|---|---|---|
| Rated voltage | 33 kV | ||
| Rated through-current | 100 A / 200A | ||
| Insulating Medium | AIR | ||
| Direction of power flow | Uni-Directional( Suitable For BI Directional Also ) | ||
| Tapping arrangement | Selector diverter | ||
| Arcing contact | Vaccum Interupter | ||
| Maximum No of tab position | 9 | ||
| Rated step voltage | 900 V | ||
| Switching Capacity | 180 kVA | ||
| Rated Insulation level | Highest voltage for equipment kV | Rated separate source AC withstand voltage kV(r.m.s) | Rated lightning impulse withstand voltage kV(peak) |
| (a)Tapchanger to ground | 36kV | 70kV | 170kV |
| (b)Between phases | 70kV | 170kV | |
| (c)Over tapping range | 15kV | 40KVp | |
| (d)Between contacts | 5kV | 15KVp | |
| (e)Between contacts of pre selector | NA | NA | |
| Oil quantity | NA | ||
| Weight of tap changer with oil | 560 KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T11-66kV 17P
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Specification
| Aplicable up to | 34 MVA | ||
|---|---|---|---|
| Rate voltage | 66KV | ||
| Rated through current | 300A | ||
| Direction of power flow | Bidirectional | ||
| Tapping arrangement | linear | ||
| Maximum no of tap position | 17 | ||
| Rated Step voltage | 900V | ||
| Switching capacity | 270 KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| (a) Tap changer to ground | 72 KV | 140KV | 350KVp |
| (B) Between phase | 140KV | 350KVp | |
| (C) Over taping range | 40kv | 100kvP | |
| D) Between contact | 20kv | 70kvP | |
| (E) Between contact of preselector | NA | NA | |
| Oil qty | 535 Litres | ||
| Weigth of tap changer with oil | 1000kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T12-33kV 17P
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Specification
| Aplicable up to | 12 MVA | ||
|---|---|---|---|
| Rate voltage | 33KV | ||
| Rated through current | 200A | ||
| Direction of power flow | Uni direction | ||
| Tapping arrangement | Linear | ||
| Maximum no of tap position | 17 | ||
| Rated Step voltage | 900V | ||
| Switching capacity | 90KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| (a) Tap changer to ground | 36KV | 70KV | 170KVp |
| (B) Between phase | 70KV | 170KVp | |
| C) Over taping range | 25KV | 70KVp | |
| D) Between contact | 10KV | 40KVp | |
| E) Between contact of preselector | NA | NA | |
| Oil qty | 141 Liters | ||
| Weigth of tap changer with oil | 363 kg | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T13-11kV 17P
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Specification
| Aplicable up to | 4 MVA | ||
|---|---|---|---|
| Rate voltage | 11KV | ||
| Rated through current | 200A | ||
| Direction of power flow | Uni directional | ||
| Tapping arrangement | linear | ||
| Maximum no of tap position | 17 | ||
| Rated Step voltage | 300V | ||
| Switching capacity | 60KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| a) Tap changer to ground | 12KV | 28KV | 75KV |
| (B) Between phase | 28KV | 75KV | |
| C) Over taping range | 10KV | 40KVP | |
| D) Between contact | 10KV | 40KVP | |
| E) Between contact of preselector | NA | NA | |
| Oil qty | 89 Liters | ||
| Weigth of tap changer with oil | 255KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T14-33kV 17P C/F
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Specification
| Aplicable up to | 12 MVA | ||
|---|---|---|---|
| Rate voltage | 33KV | ||
| Rated through current | 200A | ||
| Direction of power flow | Bi direction | ||
| Tapping arrangement | C/F ,Reverser | ||
| Maximum no of tap position | 17 | ||
| Rated Step voltage | 900V | ||
| Switching capacity | 90KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| a) Tap changer to ground | 36KV | 70KV | 170KVp |
| (B) Between phase | 70KV | 170KVp | |
| C) Over taping range | 25KV | 70KVp | |
| D) Between contact | 25KV | 70KVp | |
| E) Between contact of preselector | 25KV | 70KVp | |
| Oil qty | 120 liters | ||
| Weight of tap changer with oil | 319 KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T15-11kV 9P AIRVAC
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Specification
| Aplicable up to | 2 /4 MVA | ||
|---|---|---|---|
| Rate voltage | 11KV | ||
| Rated through current | 100A / 200A | ||
| Insulating medium | AIR | ||
| Direction of power flow | UNI Directional (Suitable For BI Directional Also) | ||
| Tapping arrangement | Slector diverter | ||
| Arcing contact | Vacuum Interupter | ||
| Maximum no of tap position | 9 | ||
| Rated Step voltage | 300V | ||
| Switching capacity | 60KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| a) Tap changer to ground | 12KV | 28KV | 75KV |
| (B) Between phase | 28KV | 75KV | |
| C) Over taping range | 15KV | 40KVp | |
| D) Between contact | 5KV | 15KVp | |
| E) Between contact of preselector | NA | NA | |
| Oil qty | NA | ||
| Weigth of tap changer with oil | 270KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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T20-33kV 9P
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Specification
| Aplicable up to | 12 MVA | ||
|---|---|---|---|
| Rate voltage | 33KV | ||
| Rated through current | 200A | ||
| Direction of power flow | Bi direction | ||
| Tapping arrangement | Linear | ||
| Maximum no of tap position | 9 | ||
| Rated Step voltage | 900V | ||
| Switching capacity | 90KVA | ||
| Rated insulation level | HV of equpement KV | Rated separate source withstand voltage (RMS) | Rated lighting Impulse withstand voltage KV (Peak) |
| a) Tap changer to ground | 36KV | 70KV | 170KVp |
| (B) Between phase | 70KV | 170KVp | |
| C) Over taping range | 25KV | 70KVp | |
| D) Between contact | 25KV | 70KVp | |
| E) Between contact of preselector | NA | NA | |
| Oil qty | 120 liters | ||
| Weight of tap changer with oil | 289 KG | ||
| Dimension of OLTC | VIEWCLOSE | ||
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