ChinSun is a professional High Voltage Transformer Bushings manufacturer from China.
Currently working with clients such as ABB Russia , SIMIENS, TEBA,SGB-SMIT(Netherland), GCC Saudi Arab and so on.
Strict technical standards (IEC 60137) and the shortest delivery time (20days) to win more good customers for ChinSun.
ChinSun® products range is : Dry type RIP / RIF bushings, up to 363kV :Transformer bushing, Wall bushing, Current Transformer, GIS bushing.
Whether you are a transformer manufacturer or a power project or power products importer, send to us your demand specifications, we will offer it's design drawings to you with most valuable feedback.
| Dimension -table 1 | | EBRG
252/630-800 | EBRGL
252/630-800 | EBRG
252/1250 | EBRGL
252/1250 | EBRG
252/1600 | EBRGL
252/1600 | |
| Total length | L | 3835 | 4135 | 3855 | 4155 | 3855 | 4155 | |
| Terminal blocks | Hole number
and hole
diameter | n1×d1 | 4x14 | 4x14 | 4x18 | 4x18 | 4x18 | 4x18 | |
| Hole distance | a1 | 40 | 40 | 50 | 50 | 50 | 50 | |
| Panel surface | b1×b2 | 80×80 | 80×80 | 100×100 | 100×100 | 100×100 | 100×100 | |
| Panel thickness | δ | 12 | 12 | 14 | 14 | 16 | 16 | |
| Cable entry length | L4 | 3605 | 3905 | 3605 | 3905 | 3605 | 3905 | |
| Head diameter | d3 | 425 | 425 | 425 | 425 | 425 | 425 | |
| lead wire connection aperture | d8 | 28 | 28 | 32 | 32 | 32 | 32 | |
| Porcelain external insulation | Insulation diameter | L1 | 2240 | 2240 | 2240 | 2240 | 2240 | 2240 | |
| Nominal creepage distanc | S | 7820 | 7820 | 7820 | 7820 | 7820 | 7820 | |
Maximum
umbrella
diameter | d9 | 440 | 440 | 440 | 440 | 440 | 440 | |
| Flange | Outer diameter of
flange plate | d10 | 550 | 550 | 550 | 550 | 550 | 550 | |
Center distance
of installing
hole | a2 | 500 | 500 | 500 | 500 | 500 | 500 | |
Hole number
and hole
diameter | m×d2 | 16×22 | 16×22 | 16×22 | 16×22 | 16×22 | 16×22 | |
| Inner diameter of sealing surface | >d4 | 300 | 300 | 300 | 300 | 300 | 300 | |
Center distance
of air vent | L6 | 145 | 145 | 145 | 145 | 145 | 145 | |
| Total length of oil impregnated part | L2 | 925 | 1225 | 925 | 1225 | 925 | 1225 | |
| Core diameter in oil | d | 280 | 280 | 280 | 280 | 280 | 280 | |
| Oil earthed length | L3 | 0 | 400 | 0 | 400 | 0 | 400 | |
| Equalizing ball | L5 | 65 | 65 | 65 | 65 | 65 | 65 | |
| d5 | 245 | 245 | 245 | 245 | 245 | 245 | |
| Inner diameter of contact tube | d6 | 50 | 50 | 50 | 50 | 50 | 50 | |
| Casing weight | kg | 700 | 735 | 710 | 740 | 715 | 745 | |
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| Technical standards | GB/T 4109-2008 IEC 60137 Ed.6.0 | |
| Rated voltage | 252kV | |
| Rated current | 630-1600A | |
| 1min power frequency dry(wet) voltage withstand | 505(460)kV | |
| Full-wave impulse withstand voltage of lighting | 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 | 4000-5000N | |
| The minimum nominal creepage distance | 31mm/kV | |
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