高压电机定子线圈绝缘多因素老化及无损检测参数间的相关程度

Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93) Pub Date : 1993-10-17 DOI:10.1109/CEIDP.1993.378913

K. Mallikarjunappa, C. Viswanatha, S.N. Moorching

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引用次数: 1

摘要

对某11kv绝缘系统按比例缩小模型线圈进行了多因素加速老化研究。在老化过程中，定期监测试验参数tan增量(/spl delta/T)、电容增量(/spl delta/ C/C)、综合放电能量(IDE)和放电起始电压(Vi)，以表征老化过程。试图找到不同的测试参数之间的相关性作为一个函数的老化时间。/spl delta/T与/spl delta/C/C之间存在较好的相关性。随着老化的进行，不同试验参数之间的相关程度趋于增加

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multi-factor ageing of stator coil insulation of HV machines and degree of correlation among non-destructive test parameters

Multifactor accelerated ageing studied have been carried out on scaled-down model coils of an 11-kV insulation system. The test parameters tan delta tip-up (/spl delta/T), capacitance tip-up (/spl Delta/C/C), integrated discharge energy (IDE), and discharge inception voltage (Vi) were monitored at regular intervals during the ageing period to characterize the ageing processes. Attempts have been made to find the correlation between different test parameters as a function of ageing time. A good correlation is found to exist between /spl delta/T and /spl delta/C/C. The degree of correlation between different test parameters tends to increase as the ageing proceeds.<>

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Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)

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