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论文《电场场度分对高压绝缘子的影响》

E-Field Distribution on HV Insulators

论文《电场场度分对高压绝缘子的影响》

在绝缘子老化过程中,电场场度E扮演了重要的角色,主要是因为它是触发局部放电和电晕现象的关键参数。由于电晕和电弧的原因,绝缘子无论是长期还是短期的性能都直接受E影响。本论文的主要目的是阐述电场场度的分布的影响,以更好的维护好电气设施设备特别是绝缘子。

Corona discharge is a major threat to the integrity of non-ceramic polymer insulators (NCI). It produces Ozone, nitric oxides and emits Ultra Violet leading to erosion and decomposition of the insulators’ and affecting their mechanical and electrical properties. Ongoing research is performed by utilities and high voltage laboratories to investigate the endurance of insulators to various environmental conditions and to their aging patterns. One of the studies conducted in Mexico aimed at correlating between findings by a corona camera which is nondestructive optical device and an E-filed measurement equipment. The use of corona camera can alleviate the task of preventive maintenance and streamline the maintenance processes provided its output is indeed reliable.

 

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