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RCS 12
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Specification
| Type reference | RCS 12 | ||
|---|---|---|---|
| Applicable standard | IEC 62271-100/ IS 13118 | ||
| Rated voltage | 11kV | ||
| 1 min A.C Power Frequency withstand test level | 28kV | ||
| Impulse withstand | 75kVp | ||
| Current ratings | Up to 1600A | ||
| Operating Sequence | O-0.3sec-CO-3min-CO | ||
| Rated short circuit withstand current | 26.3kA | ||
| Rated peak withstand current | 66kA peak | ||
| Rated short circuit breaking current | 26.3kA rms | ||
| Rated short circuit making current | 66kA peak | ||
| Rated single cap. bank breaking current | 512A | ||
| Dimension of OLTC | VIEWCLOSE | ||
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RCS 36
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Specification
| Type reference | RCS 36 | ||
|---|---|---|---|
| Applicable standard | IEC 62271-100/IS 13118 | ||
| Rated voltage | 33kV | ||
| 1 min A.C Power Frequency withstand test level | 70kV | ||
| Impulse withstand | 170kVp | ||
| Current ratings | 2000A | ||
| Operating Sequence | O-0.3sec-CO-3 min-CO | ||
| Maximum Peak Current | 66kA | ||
| Short Circuit Current(3 Sec) | 26.3kA | ||
| Rated Short Circuit Making Current | 66kA | ||
| Rated Short Circuit Breaking Current | 26.3kA | ||
| First Pole to Clear factor | 1.2 | ||
| Dimension of OLTC | VIEWCLOSE | ||
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ABS 33
(A)ABS 11
Terminal Board
Drive Mechanism
Specification
| Maximum voltage rating | 36 kV |
|---|---|
| Maximum current rating | 300 A |
| Maximum system voltage | 38 kV |
| Tapping arrangement | Bi-Directional |
| OLTC design | Coarse-fine/reversing |
| Tapping arrangement | Single compartment |
| Maximum Number of position | 23 |
| Maximum operating step voltage | 850 V |
| Maximum operating voltage Over fine taps | 7200 V |
| Maximum operating voltage over coarse taps | 7200 V |
| Maximum continuous voltage to ground | 38000 V |
| Maximum continuous voltage Between phase | 38000 V |
| Time per tap change | 4-6 seconds |
| Impulse voltage between phase | 170 kVp(1.2/50 micro seconds) |
| Impulse voltage between phase and earth | 170 kVp(1.2/50 micro seconds) |
| Impulse voltage between adjacent contacts | 70 / 30 kVp(1.2/50 micro seconds) |
| Impulse voltage over fine taps | 70 / 30 kVp(1.2/50 micro seconds) |
| Impulse voltage over pre selector (where applicable) | 70 kVp |
ABS 66
(A)ABS 11
Terminal Board
Drive Mechanism
Specification
| Maximum voltage rating | 72 kV |
| Maximum current rating | 300 A |
| Direction of power flow | Uni-Directional |
| Tapping arrangement | Linear |
| OLTC design | Single Compartment |
| Maximum number of tap position | 23 |
| Maximum operating step voltage | 1000 V |
| Maximum operating voltage Over tapping range | 20000 V |
| Maximum continuous voltage to ground | 72000 V |
| Maximum continuous voltage between phases | 720000 V |
| Peak emergency current | 450 A |
| Weight of tap changer Without oil | 620 Kg |
| Weight of tap changer with oil | 1430 Kg |
| Oil content | 980 liters |
| Impulse voltage between phases | 350 kVp(1.2/50 micro seconds) |
| Impulse voltage between Tap changer to earth | 350 kVp(1.2/50 micro seconds) |
| Impulse voltage between Adjacent contacts | 70 / 30 kVp(1.2/50 micro seconds) |
| Impulse voltage across tapping Range | 70 / 30 kVp(1.2/50 micro seconds) |
ABS 132
(A)ABS 11
Terminal Board
Drive Mechanism
Specification
| Maximum voltage rating | 132 kV(Graded neutral) |
| Maximum current rating | 150 A |
| Maximum system voltage | 85 kV |
| OLTC design | Single Compartment |
| Maximum number of tap position | 17 |
| Maximum continuous current | 150 A |
| Maximum operating step voltage | 1800 V |
| Maximum operating over fine taps | 14000 V |
| Maximum operating voltage over Coarse taps | 14000 V |
| Maximum continuous voltage to Ground | 85000 V |
| Time per tap change | 4 – 6 seconds |
| Weight of tap changer without oil | 650 Kg |
| Weight of tap changer with oil | 1810 Kg |
| Impulse voltage between Tap changer to earth | 350 kVp(1.2/50 micro seconds) |
| Impulse voltage between adjacent Contacts | 200 kVp |
| Impulse voltage over pre selector | 200 kVp |
| Impulse voltage between Selector and fine selector | 250 kVp |
OLG T5
(A)ABS 11
Terminal Board
Drive Mechanism
Specification
| Maximum voltage rating | 12 kV |
| Maximum current rating | 100 A |
| Direction of power flow | Bi-Directional |
| Tapping arrangement | coarse-fine/reversible |
| OLTC design | selector switch |
| Maximum Number of tap position | 17 |
| Maximum operating step voltage | 250 V |
| Location of taps | Middle of delta winding/Neutral point of star |
| Maximum continuous voltage to ground | - |
| Maximum operating voltage between first and Last contact of fine selector | 4000 V |
| Maximum operating voltage between contacts Pre selector | 4000 V |
| Impulse voltage with stand between all live parts To ground | 75 kVp(1.2/50 micro seconds) |
| Impulse voltage between adjacent contacts | 25 kVp(1.2/50 micro seconds) |
| Impulse voltage over tapping range | 25 kVp(1.2/50 micro seconds) |
| Impulse voltage between contacts of the Pre selector | 25 kVp(1.2/50 micro seconds) |
| Power frequency voltage between all live parts To ground | 28 kV |
| Power frequency between adjacent contacts | 8 Kv |
| Power frequency over tapping range | 8 Kv |
| Power frequency over tapping range | 8 Kv |
| Weight of tap changer without oil | - |
| Power frequency between contacts of pre selector | 8 Kv |
| Rated insulation level | 28 kV of power frequency and 75 kVp impulse |