Dry-type transformer high-voltage winding structure and dry-type transformer
By introducing multiple taps into the high-voltage winding structure of a dry-type transformer and setting a working conductor layer in the radial center to construct magnetic shielding, the problems of lateral leakage flux and material cost in traditional dry-type transformers at high voltage levels are solved, thereby improving the reliability and service life of the transformer and reducing material costs.
CN224554137UActive Publication Date: 2026-07-24TBEA INTELLIGENT ELECTRIC CO LTD +2
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TBEA INTELLIGENT ELECTRIC CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Traditional dry-type transformer high-voltage winding structures suffer from problems such as lateral leakage flux, ampere-turn imbalance, localized overheating of windings, and high material costs at high voltage levels.
Method used
A dry-type transformer high-voltage winding structure is adopted. By leading out multiple taps in the tap area and setting a working conductor layer in the radial middle, magnetic shielding is constructed, lateral leakage flux is reduced, material usage is optimized, and winding height is reduced.
Benefits of technology
It effectively reduces transverse leakage flux density, improves transformer reliability and service life, reduces material costs, optimizes reactance design, and achieves economic benefits.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224554137U_ABST
Abstract
The utility model discloses a kind of high-voltage winding structures of dry-type transformer, including first coil unit and multiple taps;Wherein, the first coil unit is the arbitrary section in the multiple coil units in the high-voltage winding structure of dry-type transformer;The first coil unit includes multiple wire layers distributed along dry-type transformer radial direction, winding;Multiple wire layers include the wire layer of tap area, the wire layer in the radial direction inside of tap area, and the wire layer in the radial direction outside of tap area;Multiple taps are all led out from the wire layer of tap area place.The high-voltage winding structure of dry-type transformer of the utility model can reduce transverse leakage magnetic influence, fundamentally improve the reliability, security and service life of transformer long-term operation, and economic benefit is remarkable.The utility model further provides a kind of dry-type transformer.
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