户外动力设备加速试验

2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2011-10-01 DOI:10.1109/CEIDP.2011.6232675

A. Krivda, B. Singh, M. Carlen, T. Hartmann, S. Schaal, P. Mahonen, H. Le, S. Tzavalas

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引用次数: 2

摘要

在这项工作中，我们总结了不同中压室外电力设备在人工气候室中的长期老化结果，并将其与在南非开普敦附近Koeberg绝缘子污染试验站的自然老化站点获得的结果进行了比较。结果表明，通过正确调整由紫外线辐射、热量、清洁和盐雾组成的老化周期，可以使电力设备以更快的速度(5倍以上)老化，并获得与自然老化现场观察到的相同类型的损伤(紫外线损伤、表面放电引起的跟踪和侵蚀、开裂)。尽管许多不同类型的户外电力设备仍需测试，但基于环氧绝缘电力设备的初步结果令人鼓舞。

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Accelerated testing of outdoor power equipment

In this work we summarize the results of long-term ageing of different medium voltage outdoor power equipment in an artificial climatic chamber and compare them with the results obtained at a natural ageing site at the Koeberg Insulator Pollution Test Station near Cape Town, South Africa. The results show that by correctly adjusting the ageing cycle consisting of UV radiation, heat, clean and salt fog it is possible to age power equipment at an accelerated rate (a factor of 5 and greater) and obtain the same type of damage (UV damage, tracking and erosion due to surface discharges, cracking) as observed at the natural ageing site. Although many different types of outdoor power equipment will still have to be tested, the first results based on epoxy insulated power equipment are encouraging.

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2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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