环氧树脂破裂前的局部放电行为

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEJ Transactions on Electrical and Electronic Engineering Pub Date : 2024-07-14 DOI:10.1002/tee.24160

Swe Zin Linn Htet, Takuya Kondo, Takuma Miyake, Tatsuya Sakoda, Takeshi Nishimura

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引用次数: 0

摘要

要通过监测局部放电（PD）来评估绝缘材料的劣化程度，就必须充分了解击穿前的局部放电行为。我们对环氧树脂空隙中的局部放电数量和幅度的时间变化进行了测量。结果发现，击穿前幅度较大的 PD 数量较少，而且随着时间的推移，PD 的数量和幅度呈下降趋势。外加电场越小，这种趋势越明显。此外，当单位时间内 PD 数量的散射减少时，击穿时间也会变短。© 2024 日本电气工程师学会和 Wiley Periodicals LLC。

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Partial Discharge Behavior Prior to Breakdown in Epoxy Resin

To evaluate the deterioration degree of insulation material by monitoring partial discharges (PDs), it is necessary to fully understand the PD behavior prior to breakdown. We performed measurements of temporal variations in the number and magnitude of PDs in a void of epoxy resin. It was found that the number of PDs with larger magnitude is less before breakdown and that there is a decreased tendency of the number and magnitude of PDs with the elapsed time. The tendency is remarkable as the applied electric field is small. Additionally, the time to breakdown becomes short when the scattering of the number of PDs per unit time decreases. © 2024 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.

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来源期刊

IEEJ Transactions on Electrical and Electronic Engineering 工程技术-工程：电子与电气

CiteScore

2.70

自引率

10.00%

发文量

199

审稿时长

4.3 months

期刊介绍： IEEJ Transactions on Electrical and Electronic Engineering (hereinafter called TEEE ) publishes 6 times per year as an official journal of the Institute of Electrical Engineers of Japan (hereinafter "IEEJ"). This peer-reviewed journal contains original research papers and review articles on the most important and latest technological advances in core areas of Electrical and Electronic Engineering and in related disciplines. The journal also publishes short communications reporting on the results of the latest research activities TEEE ) aims to provide a new forum for IEEJ members in Japan as well as fellow researchers in Electrical and Electronic Engineering from around the world to exchange ideas and research findings.