冲击电压下真空氧化铝绝缘子表面闪络(添加剂的影响)

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132) Pub Date : 2000-10-15 DOI:10.1109/CEIDP.2000.884082

L. Ding, C.R. Li, Wei Wang, Jingchun Wang

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引用次数: 2

摘要

研究了不同添加剂制备的氧化铝绝缘子在冲击电压下的真空闪络性能。在相同的烧结条件下，添加不同的助剂制备了四种氧化铝绝缘子。在真空中测试了这些样品的表面闪络性能。用扫描电子显微镜(SEM)观察了氧化铝样品的微观结构。实验结果表明，闪络特性与试验样品不同。分析表明，添加剂的影响可能是由于组织的改变。

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Surface flashover of alumina insulators in vacuum under impulse voltage (the influence of additives)

This paper investigates flashover performance of alumina insulators prepared with different additives in vacuum under an impulse voltage. The four kinds of alumina insulator studied are prepared under the same sintering conditions with different additives. The surface flashover performance of these samples is tested in vacuum. The microstructure of the alumina samples is also observed using scanning electron microscopy (SEM). Based on the experimental results, the characteristics of flashover are different from the test samples. The analysis shows that the influence of additives may be attributed to the change of microstructure.

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2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132)

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