RTV涂层的研究:绝缘子涂层老化与缩短涂层长度

2019 International Conference on High Voltage Engineering and Technology (ICHVET) Pub Date : 2019-02-01 DOI:10.1109/ICHVET.2019.8724232

H. Rajini, K. Ravi, N. Vasudev

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引用次数: 0

摘要

绝缘子上的RTV涂层由于其电性能和力学性能随时间的推移而退化，性能不理想。RTV涂层绝缘子的老化程度取决于环境污染程度和工作电压的严重程度。聚合物表面的绝缘体长期暴露在应力下，由于污染会使机械和电气性能丧失。本研究按照IEC 61109标准进行了1000小时的跟踪和侵蚀试验，并对a型、b型绝缘子的老化性能进行了评估。为优化和节约RTV涂层绝缘子的性能，按照IEC 60587标准对不同长度的RTV涂层绝缘子进行了斜面试验。可以得出结论，对RTV涂层绝缘子进行老化试验对于评估涂层的长期性能至关重要，并且RTV涂层绝缘子的1/4长度足以承受污染的严重程度。

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A Study on RTV Coating: Ageing and Reduction of Coating Length on Insulator

The performance of RTV coatings on insulator was not efficient due to degradation of their electrical and mechanical properties with age. The degree of ageing of the RTV coated insulators depends upon the severity in the pollution level of the environment and service voltage. Polymer surface of the insulator exposed to stress for long term due to pollution mechanical and electrical properties will be lost. In present study tracking and erosion test for 1000hrs as per IEC 61109 standards is performed and ageing performance of Type-A, Type-B insulators are evaluated. Inclined plane test is conducted as per IEC 60587 standards for different lengths of RTV coated Insulator to optimize and economize the performance of RTV coated insulator. It was possible to conclude that ageing test on RTV coated insulator is essential to evaluate long term performance of coatings and 1/4 length of the RTV coated insulator is sufficient to withstand the pollution severity.

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2019 International Conference on High Voltage Engineering and Technology (ICHVET)

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