Products
On-Load Tap-Changer
T10-11kV 9P
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Specification
Rated voltage 11 KV
Rated through-current 100 A
Direction of power flow Uni-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 9
Max. Rated Step Voltage 300 V
Switching Capacity 30 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 28 75
(b)Between phases 28 75
(c)Between First and Last Contact 10 40
(d)Between any two adjacent contacts 10 40
(e)Between contacts of Change-Over selector NA NA
Oil quantity 45 liters
Weight of tap changer with oil 110 Kgs.
Dimension of OLTC VIEWCLOSE
(A)ABS 11
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Specification
Rated voltage 11 KV
Rated through-current 100 A
Direction of power flow Uni-Directional
Tapping arrangement Change-Over Selector
Maximum Number of Tap Positions 9
Max. Rated Step Voltage 300 V
Switching Capacity 30 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 28 75
(b)Between phases 28 75
(c)Between First and Last Contact 10 40
(d)Between any two adjacent contacts 10 40
(e)Between contacts of Change-Over selector NA NA
Oil quantity 45 liters
Weight of tap changer with oil 110 Kgs.
Dimension of OLTC VIEWCLOSE
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
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
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
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
T10-P/S-11kV-17P
Specification
Rated voltage 11 KV
Rated through-current 100 A
Direction of power flow Uni-Directional
Tapping arrangement Change-Over Selector
Maximum Number of Tap Positions 17
Max. Rated Step Voltage 300 V
Switching Capacity 30 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 28 75
(b)Between phases 28 75
(c)Between First and Last Contact 10 40
(d)Between any two adjacent contacts 10 40
(e)Between contacts of Change-Over selector 10 40
Oil quantity 47 liters
Weight of tap changer with oil 176 Kgs.
Dimension of OLTC VIEWCLOSE
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
T11-66kV 17P
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Specification
Rated voltage 66 KV
Rated through-current 300 A
Direction of power flow Bi-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 17
Max. Rated Step Voltage 1000 V
Switching Capacity 270 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 140 385
(b)Between phases 140 350
(c)Between First and Last Contact 40 100
(d)Between any two adjacent contacts 20 50
(e)Between contacts of Change-Over selector NA NA
Oil quantity 535 liters
Weight of tap changer with oil 1000 Kgs.
Dimension of OLTC VIEWCLOSE
T12-33kV 17P
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Specification
Rated voltage 33 KV
Rated through-current 200 A
Direction of power flow Bi-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 17
Max. Rated Step Voltage 900 V
Switching Capacity 90 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 70 170
(b)Between phases 70 170
(c)Between First and Last Contact 25 70
(d)Between any two adjacent contacts 10 40
(e)Between contacts of Change-Over selector NA NA
Oil quantity 170 liters
Weight of tap changer with oil 365 Kgs.
Dimension of OLTC VIEWCLOSE
T13-11kV 17P
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Specification
Rated voltage 11 KV
Rated through-current 200 A
Direction of power flow Uni-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 17
Max. Rated Step Voltage 300 V
Switching Capacity 60 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 28 75
(b)Between phases 28 75
(c)Between First and Last Contact 10 40
(d)Between any two adjacent contacts 10 40
(e)Between contacts of Change-Over selector NA NA
Oil quantity 90 liters
Weight of tap changer with oil 255 Kgs.
Dimension of OLTC VIEWCLOSE
T14-33kV 17P C/F
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Specification
Rated voltage 33 KV
Rated through-current 200 A
Direction of power flow Bi-Directional
Tapping arrangement Change-Over Selector
Maximum Number of Tap Positions 17
Max. Rated Step Voltage 900 V
Switching Capacity 90 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 70 170
(b)Between phases 70 170
(c)Between First and Last Contact 25 70
(d)Between any two adjacent contacts 25 70
(e)Between contacts of Change-Over selector 25 70
Oil quantity 120 liters
Weight of tap changer with oil 320 Kgs.
Dimension of OLTC VIEWCLOSE
T15-11kV 9P AIRVAC
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Specification
Rated voltage 11 KV
Rated through-current 200 A
Direction of power flow Bi-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 9
Max. Rated Step Voltage 300 V
Switching Capacity 30 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 28 75
(b)Between phases 28 75
(c)Between First and Last Contact 15 40
(d)Between any two adjacent contacts 5 15
(e)Between contacts of Change-Over selector NA NA
Oil quantity NA
Weight of tap changer with oil 320 Kgs.
Dimension of OLTC VIEWCLOSE
T14-33kV 9P
This page is best viewed with JavaScript enabled.
Specification
Rated voltage 33 KV
Rated through-current 200 A
Direction of power flow Bi-Directional
Tapping arrangement Linear
Maximum Number of Tap Positions 9
Max. Rated Step Voltage 900 V
Switching Capacity 90 KVA
Rated Insulation level Applied voltage (KV) Full wave lightning impulse test (KV)
(a)Tap-changer to Earth 70 170
(b)Between phases 70 170
(c)Between First and Last Contact 25 70
(d)Between any two adjacent contacts 25 70
(e)Between contacts of Change-Over selector NA NA
Oil quantity 120 liters
Weight of tap changer with oil 290 Kgs.
Dimension of OLTC VIEWCLOSE