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Wafer type bushing (1kV/630~4000A)

The transformer sleeve is the main insulating device outside the transformer box. The lead wire of the transformer winding must pass through the insulating sleeve to insulate the lead wire between the lead wire and the lead wire between the transformer shell, and to fix the lead wire at the same time.Due to different voltage levels, the insulation sleeve has pure porcelain sleeves, oil-filled sleeves and capacitive sleeves.Pure porcelain bushing is mostly used for transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the inside of the porcelain bushing is air insulated.The oil-filled bushing is mainly used in the 35kV class transformer. It is oil-filled in the porcelain bushing. A conductive copper pole is worn in the porcelain bushing.Capacitive bushing is composed of main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeve, oil pillow, spring assembly, base, equalizing ball, measuring terminal, wiring terminal, rubber washer, insulating oil, etc.It is used in high voltage transformers above 100kV.


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Wafer type bushing outline dimensions(1kV/630~4000A)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
(kg)
H h2 h3 Md d1 d3 Chart B1×B2 b1 t B3×B4 b3 t1 d0 h1
1 AM.AAD.901 BFC-1/630 170 73 53 M20×2.5 62 43.5 A1 60×33 30 8 —— —— —— 29 48 55 1 single umbrella 2.1
2 AM.AAD.902 BFC-1/630 244 73 53 M20×2.5 62 43.5 A3 40×80 40 8 —— —— —— 29 48 55 1 single umbrella 2.3
3 AM.AAG.901 BFC-1/1100 195 88 68 M30×1.5 70 58.5 A1 60×43 30 14 —— —— —— 38 48 55 1 single umbrella 2.4
4 AM.AAG.902 BFC-1/1100 259 88 68 M30×1.5 70 58.5 A4 80×80 40 10 —— —— —— 38 48 55 1 single umbrella 2.7
5 AM.AAH.902 BFC-1/1500 195 88 68 M33×1.5 75 61.5 A1 60×43 30 16 —— —— —— 42 48 55 1 single umbrella 2.6
6 AM.AAH.903 BFC-1/1500 259 88 68 M33×1.5 75 61.5 A4 80×80 40 12 —— —— —— 42 48 55 1 single umbrella 2.9
7 AM.AAK.901 BFC-1/2200 225 116 96 M42×2 82 70 A2 80×43 25 20 25×70 30 30 50 48 55 1 single umbrella 3.4
8 AM.AAK.902 BFC-1/2200 309 116 96 M42×2 82 70 A4 100×100 50 12 25×70 30 30 50 48 55 1 single umbrella 3.9
9 AM.AAK.903 BFC-1/2500 225 116 96 M45×2 87 74 A2 80×43 25 22 29×70 30 30 54 48 55 1 single umbrella 3.6
10 AM.AAK.904 BFC-1/2500 309 116 96 M45×2 87 74 A4 100×100 50 14 29×70 30 30 54 48 55 1 single umbrella 4.1
11 AM.AAL.901 BFC-1/3150 315 120 100 M48×2 94 82 A4 100×100 50 16 34×70 30 30 62 50 55 1 single umbrella 7.5
12 AM.AAM.901 BFC-1/4000 375 155 135 M52×2 94 82 A4 120×120 60 18 38×100 30 30 62 50 55 1 single umbrella 10

 

Note: other specifications can be customized according to customer requirements.

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