| 摘要 |
A transformer insulation film structure mainly comprises a winding roll for insulation film and coils. The insulation film is cut at both sides to form a number of flaps, which dimensions depend on the transformer specifications. Due to restraint by the width of the winding roll, the side flaps of the insulation film stand up and overlap after repeated winding to achieve the required insulation thickness. Through insulation film winding and overlapping, we can achieve the required surface distance on both sides of the winding roll. By this means, we can achieve the target surface distance without the need of a complicated structure in the traditional technology, so we will benefit from the simplified structure.
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