Manufacturing Process
Our plant is equipped for both oil-immersed and dry-type distribution transformer production. Detailed equipment lists, automation level, and annual capacity are available on request.
The reliability of a distribution transformer is decided on the production floor, not in the sales office. This page describes our manufacturing process step by step.
Our plant is equipped for both oil-immersed and dry-type distribution transformer production. Detailed equipment lists, automation level, and annual capacity are available on request.
Process overview
- 1. Core: cutting, deburring and step-lap stacking of grain-oriented steel
- 2. Winding: conductor preparation, winding, insulation and bracing
- 3. Assembly: core and coil assembly, clamping, lead routing
- 4. Drying: vacuum drying to remove moisture from insulation
- 5. Impregnation or filling: resin casting / VPI, or vacuum oil filling
- 6. Tanking and finishing: tank, radiators, accessories, painting
- 7. Testing: routine tests and type tests as specified
- 8. Packing: protection, marking and export packing
Process controls
- Incoming material inspection and traceability
- In-process inspection at each production stage
- Documented work instructions and operator qualification
- Calibrated measuring and test equipment
- Final inspection before release to testing
- Corrective action system for non-conformities
Frequently Asked Questions
Hebei Youge Electrical Equipment Co., Ltd.
Hebei Youge Electrical Equipment Co., Ltd.
Hebei Youge Electrical Equipment Co., Ltd.