| Issue |
E3S Web Conf.
Volume 165, 2020
2020 2nd International Conference on Civil Architecture and Energy Science (CAES 2020)
|
|
|---|---|---|
| Article Number | 06015 | |
| Number of page(s) | 4 | |
| Section | Electrical and Power Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202016506015 | |
| Published online | 01 May 2020 | |
Fracture analysis and countermeasures of the grid switch castings
1 State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410007, China
2 Hunan Xiangneng Manufacture Supervision of Electrical Equipment Company Limited Research Institute, Changsha 410007, China
3 Hunan Xiangdian Boiler Pressure Inspection Center Co., Ltd, Changsha 410007, China
4 State Grid Xupu Power Supply Company, Huaihua, Hunan, 419300, China
* Corresponding author: 676459812@qq.com
Based on the detection technology of direct reading spectrum, metallographic microscope and X-ray, the defects of the grid switch castings were analyzed. The four main forms of casting fracture were summarized as poor physical and chemical properties, material misuse, casting defects and designing defects. In order to strengthen the quality control of the source of the product, it was proposed to carry out targeted network inspection in the two stages of material arrival and infrastructure acceptance.
© The Authors, published by EDP Sciences, 2020
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