Products
On-Load Tap-Changer
T10
This page is best viewed with JavaScript enabled.
Features
- Uses 45 Liters of Insulating Oil as against 300 liters required in competitors products
- Reliable Electronic control minimizes extensive control wiring
- Applicable up to 2 MVA
- Built in AVR and optional RTCC with just two wires
Application
- Permits mounting on small transformers which earlier used Off Circuit Switch
Specification
| Aplicable up to | 2 /4 MVA | ||
|---|---|---|---|
| Rate voltage | 11KV | ||
| Rated through current | 100A / 200A | ||
| Insulating medium | AIR | ||
| Direction of power flow | Bi directional | ||
| Tapping arrangement | Slector diverter | ||
| Arcing contact | Vacuum Interupter | ||
| Maximum no of tap position | 9 | ||
| Rated Step voltage | 300V | ||
| Switching capacity | 60KVA | ||
| 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 | 28KV | 75KVp |
| (b)Between phases | 28KV | 75KVp | |
| (c)Over tapping range | 15KV | 40KVp | |
| (d)Between adjacent contacts | 5KV | 15KVp | |
| (e)Between contacts of pre selector | NA | NA | |
| Oil quantity | NA | ||
| Weight of tap changer with oil | 270 kg | ||
Outline Diagram
(A)ABS 11
This page is best viewed with JavaScript enabled.
Features
- Maximum rated through Current available in two ranges of 65 A and 100A
- Suitable for Transformers up to 2000 KVA
- Eliminates use of Oil
- Low maintenance required
- Suitable for Delta/Star applications
Application
- Applicable for Dry type Distribution transformers
- It can be used near the load center
- Mainly used in Indoor applications and it requires weather proof enclosure
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 | ||
Outline Diagram
ABS 11
This page is best viewed with JavaScript enabled.
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 | ||
Outline Diagram
ABS 33
This page is best viewed with JavaScript enabled.
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 |
Outline Diagram
ABS 66
This page is best viewed with JavaScript enabled.
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 | ||
Outline Diagram
ABS 132
This page is best viewed with JavaScript enabled.
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 | ||
Outline Diagram
UAD VAC
This page is best viewed with JavaScript enabled.
Specification
| Aplicable up to | 2 /4 MVA | ||
|---|---|---|---|
| Rate voltage | 11KV | ||
| Rated through current | 100A / 200A | ||
| Insulating medium | AIR | ||
| Direction of power flow | Bi directional | ||
| Tapping arrangement | Slector diverter | ||
| Arcing contact | Vacuum Interupter | ||
| Maximum no of tap position | 9 | ||
| Rated Step voltage | 300V | ||
| Switching capacity | 60KVA | ||
| 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 | 75KVp | |
| (c)Over tapping range | 15KV | 40KVp | |
| (d)Between adjacent contacts | 5KV | 15KVp | |
| (e)Between contacts of pre selector | NA | NA | |
| Oil quantity | NA | ||
| Weight of tap changer with oil | 270KG | ||
Outline Diagram