Nanjing Electric Technology Group
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Nanjing Electric won the First Prize for Scientific and Technological Progress from State Grid Jibei Electric Power.
Release date:
2018-08-17 08:58
Source:
The research project “Key Technologies for Factory‑Integrated Insulators and Their Application in Ultra‑High‑Voltage Projects,” jointly completed by Nanjing Electric (Group) Co., Ltd., the State Grid Jibei Electric Power Research Institute, Hebei Silicon Valley Chemical Co., Ltd., and other institutions, was recently awarded the First Prize for Scientific and Technological Progress by State Grid Jibei Electric Power Co., Ltd.
Since 2015, Nanjing Electric has been conducting research on the technologies related to composite insulators for substations. It has carried out extensive experimental studies on RTV coatings from various manufacturers, coating thicknesses, and different application methods. Some of these research findings have already been successfully applied to RTV‑coated glass insulators used in five UHVDC transmission line projects: Lingzhou–Shaoxing, Jinbei–Nanjing, Jiuquan–Hunan, Shanghaimiao–Shandong, and Changji–Guquan.
This research project conducts a systematic and standardized grouped experimental study based on the research findings previously achieved by various units within the State Grid project. The experiments demonstrate that, by ensuring the continuity of the coating on glass insulators, appropriately increasing the area of uncoated regions, and maintaining a rational correspondence between the uncoated areas on the upper and lower surfaces, the rate of self‑explosion‑induced glass‑piece detachment can be effectively reduced. (Zi Mu)
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