Detection of Partial Discharge in Liquid via Interferometry

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2024-07-05 DOI:10.1109/JPHOT.2024.3423782

Liang Xue;Hao Zhou;Wenjing Wang;Junjie Chen;Lunming Qin;Chao Jiang;Haoyang Cui

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引用次数: 0

Abstract

Partial discharge (PD) is the main cause of insulation breakdown in high voltage electrical equipment, which poses a potential threat to the safety and reliability of equipment. Traditional PD detection methods have limitations in liquid insulation systems. In this paper, an interferometric method for detecting PD in liquid is proposed. Through the experimental platform based on the Michelson interference method, the PD in the water sample is excited by the voltage applied by the lightning surge generator, and the interference fringes distorted are collected by the CCD camera. The experimental results show that the peak value of the phase distribution recovered from interferogram increases when the voltage increases. In addition, when the liquid contains particles that degrade the insulation properties, the effect on the insulation properties can be judged according to the interferometry. This study verifies the feasibility and effectiveness of PD detection in liquid based on Michelson interferometry, and provides a new idea for condition monitoring and fault diagnosis of liquid insulation system.

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通过干涉测量法探测液体中的局部放电

局部放电（PD）是高压电气设备绝缘击穿的主要原因，对设备的安全性和可靠性构成潜在威胁。传统的局部放电检测方法在液体绝缘系统中存在局限性。本文提出了一种在液体中检测 PD 的干涉测量方法。通过基于迈克尔逊干涉法的实验平台，利用雷电浪涌发生器施加的电压激发水样中的 PD，并通过 CCD 相机采集畸变的干涉条纹。实验结果表明，当电压升高时，干涉图恢复的相位分布峰值增大。此外，当液体中含有降低绝缘性能的颗粒时，可根据干涉图判断其对绝缘性能的影响。本研究验证了基于迈克尔逊干涉测量法检测液体中 PD 的可行性和有效性，为液体绝缘系统的状态监测和故障诊断提供了新思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.