Partial discharge detection using the fiber-optic Mach-Zehnder interferometer system for XLPE cables

被引：4

作者：

Hao, Yanpeng ^{[1
]}

Chen, Yanwen ^{[1
]}

Chen, Yun ^{[1
]}

Liu, Ying ^{[2
]}

Cheng, Yanting ^{[1
]}

Yang, Lin ^{[1
]}

Xiao, Jiapeng ^{[1
]}

Huang, Tao ^{[1
]}

机构：

[1] South China Univ Technol, Sch Elect Power Engn, Guangzhou 510000, Peoples R China

[2] Guangdong Power Grid Co Ltd, Guangzhou Power Supply Bur, Guangzhou 510000, Peoples R China

来源：

ELECTRICAL ENGINEERING | 2022年 / 104卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Partial discharge; Cross-linked polyethylene cable; Acoustic waves; Mach-Zehnder interferometer; POWER-CABLES; SENSOR;

D O I：

10.1007/s00202-021-01464-6

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Partial discharge (PD) detection is essential for evaluating the cross-linked polyethylene (XLPE) cable insulation. The acoustic waves originating from PD carry important characteristic information, which can be used for PD detection. In this paper, a fiber-optic Mach-Zehnder interferometer (MZI) has been constructed to detect PD of an air gap sample of simulated XLPE cable terminal. The results indicated that the MZI could effectively detect the acoustic signals of 88 pC PD in the insulating oil and 499 pC internal discharge in the sample. The pulse signal in the MZI sensing signal contains the acoustic information of PD. Its phase distribution map has good phase and amplitude correspondence with the phase-resolved partial discharge map of the HFCT sensing signal to identify PD. The application of fiber-optic sensing technology is beneficial to the construction of smart grid.

引用

页码：2133 / 2140

页数：8

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