72.5-252kV Dry R.I.F./R.I.P. Oil/SF6 Bushing
- Dimension-table 1
- Dimension-table 2
- Electrical data
Dimension -table 1 |
| YQRG
72.5/630-1250 | YQRG
72.5/1600 | YQRG
72.5/2000-2500 | YQRG
126/630-1250 | YQRG
126/1600 | YQRG
126/2000-2500 |
| Total length | L | 1140 | 1170 | 1190 | 1740 | 1770 | 1790 |
| SF6 side | L1 | 330 | 330 | 330 | 520 | 520 | 520 |
| L3 | 230 | 230 | 230 | 420 | 420 | 420 |
| D | 120 | 120 | 120 | 170 | 170 | 170 |
| D1 | 99 | 99 | 99 | 99 | 99 | 99 |
| D2 | 128 | 128 | 128 | 128 | 128 | 128 |
| D3 | 335 | 335 | 335 | 335 | 335 | 335 |
| D4 | 290 | 290 | 290 | 290 | 290 | 290 |
| D5 | 70 | 70 | 70 | 70 | 70 | 70 |
| L4 | 150 | 150 | 150 | 180 | 180 | 180 |
| L5 | 25 | 25 | 25 | 25 | 25 | 25 |
| m×d1 | 8×16 | 8×16 | 8×16 | 8×16 | 8×16 | 8×16 |
| Oil side | L2 | 660 | 690 | 710 | 1040 | 1070 | 1090 |
| E | 200 | 200 | 200 | 400 | 400 | 400 |
| L6 | 20 | 20 | 20 | 25 | 25 | 25 |
| D6 | 395 | 395 | 395 | 395 | 395 | 395 |
| D7 | 350 | 350 | 350 | 350 | 350 | 350 |
| D8 | 220 | 240 | 260 | 220 | 240 | 260 |
| Z | 200 | 230 | 250 | 200 | 230 | 250 |
| m2×d2 | 12×16 | 12×16 | 12×16 | 12×20 | 12×20 | 12×20 |
| a | 65 | 90 | 90 | 65 | 90 | 90 |
| a1 | 15 | 20 | 20 | 15 | 20 | 20 |
| a2 | 30 | 45 | 45 | 30 | 45 | 45 |
| a3 | / | / | 40 | / | / | 40 |
| b | 40 | 65 | 80 | 40 | 65 | 80 |
| m3×d3 | 2×14 | 2×14 | 4×14 | 2×14 | 2×14 | 4×14 |
| Casing weight | kg | 42 | 43 | 45 | 66 | 67 | 70 |
Note:The outline dimension of the product in the table is recommended,all size can be designed according to the needs of users. Only one kind of CT length is listed on the table, and the user can design the CT length according to the product requirements.With the changes of CT length, relevant dimensions also change.
Dimension -table2 |
| YQRG
145/630-1250 | YQRG
145/1600 | YQRG
145/2000-2500 | YQRG
252/630-1250 | YQRG
252/1600 | YQRG
252/2000-2500 |
| Total length | L | 1740 | 1770 | 1790 | 2360 | 2360 | 2360 |
| SF6 side | L1 | 520 | 520 | 520 | 770 | 770 | 770 |
| L3 | 420 | 420 | 420 | 670 | 670 | 670 |
| D | 170 | 170 | 170 | 290 | 290 | 290 |
| D1 | 99 | 99 | 99 | 99 | 99 | 99 |
| D2 | 128 | 128 | 128 | 128 | 128 | 128 |
| D3 | 335 | 335 | 335 | 550 | 550 | 550 |
| D4 | 290 | 290 | 290 | 500 | 500 | 500 |
| D5 | 70 | 70 | 70 | 70 | 110 | 110 |
| L4 | 180 | 180 | 180 | 220 | 220 | 220 |
| L5 | 25 | 25 | 25 | 25 | 25 | 25 |
| m×d1 | 8×16 | 8×16 | 8×16 | 8×16 | 16×16 | 16×16 |
| Oil side | L2 | 1040 | 1070 | 1090 | 1370 | 1370 | 1370 |
| E | 350 | 350 | 350 | 400 | 400 | 400 |
| L6 | 25 | 25 | 25 | 25 | 25 | 25 |
| D6 | 395 | 395 | 395 | 550 | 550 | 550 |
| D7 | 350 | 350 | 350 | 500 | 500 | 500 |
| D8 | 220 | 240 | 260 | 260 | 260 | 260 |
| Z | 200 | 230 | 250 | 250 | 250 | 250 |
| m2×d2 | 12×20 | 12×20 | 12×20 | 12×22 | 12×22 | 12×22 |
| a | 65 | 90 | 90 | 65 | 90 | 90 |
| a1 | 15 | 20 | 20 | 15 | 20 | 20 |
| a2 | 30 | 45 | 45 | 30 | 45 | 45 |
| a3 | / | / | 40 | / | / | 40 |
| b | 40 | 65 | 80 | 40 | 65 | 80 |
| m3×d3 | 2×14 | 2×14 | 4×14 | 2×14 | 2×14 | 4×14 |
| Casing weight | kg | 76 | 78 | 82 | 250 | 252 | 265 |
| Technical standards | GB/T 4109-2008 IEC 60137 Ed.6.0 |
| Rated voltage | 72.5kV | 126kV | 145kV | 252kV |
| Rated current | 630-2500A |
| 1min power frequency dry(wet) voltage withstand | 155kV | 255kV | 305kV | 550kV |
| Full-wave impulse withstand voltage of lighting | 325kV | 550kV | 650kV | 1050kV |
| Operation impulse withstand voltage | 850kV |
| Under 1.05 times of maximum phase voltage tan δ | ≤0.004 |
| Partial discharge under the rated voltage | ≤10pC |
| Bending resistant test load | 2000N | 3150N | 3150N | 4000N |
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