24kV Dry R.I.F./R.I.P Transformer Bushing
- Dimension-table 1
- Dimension-table 2
- Electrical data
| Dimension -table 1 |
| FBRG
24/100-315 | FBRG
24/400-500 | FBRG
424/630-800 | FBRG
24/1000-1250 | FBRG
24/1600 |
| Drawing number |
| 1 | 1 | 2 | 2 | 2 |
| Total length | L | 585 | 605 | 695 | 715 | 790 |
| Terminal blocks | Thread pitch | Md×n | 16×2 | 20×2 |
|
|
|
| Screw length | h | 45 | 55 |
|
|
|
Hole number and
hole diameter | n1×d |
|
| 4x14 | 4x14 | 4x18 |
| Hole distance | a1 |
|
| 30 | 40 | 50 |
| Panel surface | b1×b2 |
|
| 63×63 | 80×80 | 100×100 |
| Panel thickness | δ |
|
| 12 | 12 | 16 |
| Head diameter | d3 | 88 | 88 | 88 | 98 | 98 |
| Compound external insulation | Insulation diameter | L1 | 275 | 275 | 275 | 275 | 275 |
| Creepage distance | S/U | ≥31 | ≥31 | ≥31 | ≥31 | ≥31 |
Maximum umbrella diameter | d6 | 180 | 180 | 180 | 180 | 180 |
| Flange | Outer diameter of
flange plate | d7 | 200 | 200 | 200 | 200 | 200 |
Center distance of
installing hole | a2 | 170 | 170 | 170 | 170 | 170 |
Hole number and
hole diameter | m×d2 | 6×14 | 6×14 | 6×14 | 6×14 | 6×14 |
| Total length of oil impregnated part | L2 | 165 | 175 | 185 | 185 | 225 |
| Core diameter in oil | d | 68 | 68 | 68 | 78 | 82 |
| Insulation length of oil end | L3 | 120 | 120 | 120 | 120 | 120 |
| Oil Terminal blocks | Panel surface | b3 |
|
| 30 | 40 | 80 |
| b4 |
|
| 65 | 65 | 80 |
| Hole distance | a3 |
|
|
|
|
|
| a4 |
|
| 30 | 30 | 40 |
| a5 |
|
| 15 | 15 | 20 |
hole number and
hole diameter | n2×b5 |
|
| 2×14 | 2×14 | 4×14 |
| Panel thickness | δ2 |
|
| 20 | 20 | 15 |
| Casing weight | kg | 10 | 10 | 13 | 15 | 16 |
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 -table 2 |
| FBRG
24/2000 | FBR G24/2500 | FBRG
24/3150 | FBRG
24/4000 | FBRG
24/5000 |
| Drawing number |
| 2 | 2 | 2 | 3 | 4 |
| Total length | L | 790 | 790 | 790 | 810 | 990 |
| Terminal blocks | Thread pitch | Md×n |
|
|
|
|
|
| Screw length | h |
|
|
|
|
|
Hole number and
hole diameter | n1×d | 4x18 | 4x18 | 4x18 | 4x18 | 4x18 |
| Hole distance | a1 | 50 | 50 | 60 | 50 | 50 |
| Panel surface | b1×b2 | 100×100 | 100×100 | 100×100 | 100×100 | 120×150 |
| Panel thickness | δ | 16 | 18 | 18 | 18 | 20 |
| Head diameter | d3 | 98 | 98 | 98 | 98 | 138 |
| Compound external insulation | Insulation diameter | L1 | 275 | 275 | 275 | 275 | 275 |
| Creepage distance | S/U | ≥31 | ≥31 | ≥31 | ≥31 | ≥31 |
Maximum umbrella diameter | d6 | 180 | 180 | 180 | 220 | 220 |
| Flange | Outer diameter of
flange plate | d7 | 200 | 200 | 200 | 240 | 290 |
Center distance of
installing hole | a2 | 170 | 170 | 170 | 210 | 250 |
Hole number and
hole diameter | m×d2 | 6×14 | 6×14 | 6×14 | 6×14 | 6×18 |
| Total length of oil impregnated part | L2 | 225 | 225 | 225 | 255 | 320 |
| Core diameter in oil | d | 82 | 82 | 78 | 102 | 120 |
| Insulation length of oil end | L3 | 120 | 120 | 120 | 120 | 120 |
| Oil Terminal blocks | Panel surface | b3 | 80 | 80 | 80 | 100 | 120 |
| b4 | 80 | 80 | 80 | 100 | 150 |
| Hole distance | a3 | 40 | 40 | 40 | 50 | 60 |
| a4 | 40 | 40 | 40 | 50 | 80 |
| a5 | 20 | 20 | 20 | 25 | 35 |
hole number and
hole diameter | n2×b5 | 4×14 | 4×14 | 4×14 | 4×18 | 4×18 |
| Panel thickness | δ2 | 15 | 15 | 15 | 15 | 25 |
| Casing weight | kg | 22 | 26 | 30 | 40 | 46 |
| 1min power frequency dry (wet) withstand voltage | 55(50) KV |
| Full-wave impulse withstand voltage of lighting | 125KV |
| Under 1.05 times of maximum phase voltage tan δ | ≤0.004 |
| Partial discharge of rated voltage | ≤10pC |
| Bending resistant test load | 1000~4000N |
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Transformer Bushing