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Rod type bushing (10~20kV/800~1250A screw connected bushing)

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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Rod type bushing outline dimensions(10~20kV/800~1250A screw connected bushing)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
(kg)
H Md Φd d1 t d0 h1
1 AM.CDE.001 BD-10/800 603 M24×1.5 160 10 105 142 320 3 single umbrella 10
2 AM.CDF.001 BD-10/1000 613 M30×1.5 27 160 11 105 142 320 3 single umbrella 12
3 AM.CDG.001 BD-10/1250 613 M33×1.5 30 160 12 105 142 320 3 single umbrella 13
4 AM.CFE.001 BD-20/800 643 M24×1.5 160 10 105 182 380 3 single umbrella 12
5 AM.CFF.001 BD-20/1000 653 M30×1.5 27 160 11 105 182 380 3 single umbrella 13
6 AM.CFG.001 BD-20/1250 653 M33×1.5 30 160 12 105 182 380 3 single umbrella 14
7 AM.CFE.002 BDW-20/800 643 M24×1.5 190 10 105 182 530 3 big 2 small 14
8 AM.CFF.002 BDW-20/1000 653 M30×1.5 27 190 11 105 182 530 3 big 2 small 15
9 AM.CFG.002 BDW-20/1250 653 M33×1.5 30 190 12 105 182 530 3 big 2 small 16
10 AM.CFE.003 BDW-20/800 693 M24×1.5 190 10 105 232 680 3 big 3 small 15
11 AM.CFF.003 BDW-20/1000 703 M30×1.5 27 190 11 105 232 680 3 big 3 small 16
12 AM.CFG.003 BDW-20/1250 703 M33×1.5 30 190 12 105 232 680 3 big 3 small 17

 

Note: when selecting the pressure plate structure, add "P" after the model and "t" after the code to represent the sheath. In addition, other specifications can be customized according to customer requirements.

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