雷电冲击电压作用下高压交联聚乙烯电缆接头局部放电特性研究

2023 Second International Conference on Electrical, Electronics, Information and Communication Technologies (ICEEICT) Pub Date : 2023-04-05 DOI:10.1109/ICEEICT56924.2023.10157592

N. Adhikari

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引用次数: 0

摘要

本研究对高压电缆接头在雷击电压作用下进行了局部放电测量。交联聚乙烯绝缘电缆在中高压输电中占有突出的地位，其接头和终端是电缆缺陷的重要部位。对电力电缆接头及端头端子的特性进行了试验研究。6.35/11kV热缩接头交联聚乙烯绝缘电力电缆的雷击电压。给出了施加冲击电压前后电缆局部放电的测量结果。测量结果验证了局部放电测量对电缆电压瞬变对高压电缆接头影响的有效性。

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Studies on the Characteristics of Partial Discharges in High-Voltage XLPE Cable Joints exposed to Lightning Impulse Voltages

In this study, partial discharge measurements are carried out on the HV cable joint subjected to the lightning impulse voltage. XLPE insulated cables are prominently used for medium and high voltage power transmission, and the cable joints and terminations are the significant regions for the defects. Experimental test have been carried out to study the characteristics of the power cable joint and end terminations. A 6.35/11kV XLPE insulated power cable with the heat shrinkable joint is subjected to the lightning impulse voltage. Partial discharge measurements on the cable before and after the imposed impulse voltage are presented. The measurement result obtained validates the effectiveness of PD measurements to assess the effects of voltage transients on the cable on the HV cable joint.

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来源期刊

2023 Second International Conference on Electrical, Electronics, Information and Communication Technologies (ICEEICT)

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