Double-shielded dry type mutual inductor
A transformer and double-shielding technology, applied in the field of transformers, can solve the problems of unfavorable mechanized production of current transformers, solve the problem of strong electromagnetic field interference, improve the discharge voltage along the surface, and protect the transformer
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[0014] The present invention will be further described below in conjunction with accompanying drawing:
[0015] Such as figure 1 As shown, the present invention includes an iron core 1, a bushing 2, an insulating layer 3, an insulating sealing tube 5, a silicone rubber shed 6, a ground electrode 7, a housing 10, a secondary winding 8 and an electrical stress relief layer 4, and the electrical stress The elimination layer 4 is arranged outside the insulating layer 3 , the root of the electrical stress relief layer 4 is connected to the ground electrode 7 , and at least one layer of shielding coil 9 is arranged outside the secondary winding 8 .
[0016] Such as figure 1 As shown, if the mechanical strength of the insulating layer 3 is relatively poor, the casing 2 can be made of a non-magnetic, rigid pipe with a semi-conductive coating; if the mechanical strength of the insulating layer 3 is sufficient, the casing 2 can be made of a semi-conductive material and The outer surfa...
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