老化对液浸在役变压器中逸出气体的影响:DGA分析

2023 International Conference on Power, Instrumentation, Energy and Control (PIECON) Pub Date : 2023-02-10 DOI:10.1109/PIECON56912.2023.10085760

Mahavir Singh, Vishavdeep Jindal

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引用次数: 0

摘要

电力变压器是电力系统的关键部件，它的有效工作对电力系统的正常运行至关重要。一个电力变压器故障可能会导致长时间的供电中断、昂贵的维护费用和经济损失。变压器故障的早期诊断有助于防止代价高昂的意外中断。为此，变压器油溶气分析(DGA)是电力变压器状态监测的最佳工具之一，它有助于评估变压器的当前状态并预测灾难性故障。本文对一台在役变压器在8个不同的老化间隔(2470 ~ 3155天)下进行了DGA分析，评估了老化对析出气体的影响，并对结果进行了分析，以确定析出气体的形成模式。

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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The influence of Aging on the Evolved Gases in a Liquid-Immersed In-Service Transformer: A DGA Analysis

The power transformer is a critical component of an electrical power system, and its effective functioning is essential to system operation. One power transformer failing may result in extended supply outages, expensive maintenance, and financial damage. Early diagnosis of transformer failures can assist in preventing costly unanticipated outages. For this purpose, one of the best tools for power transformer condition monitoring is transformer oil dissolved gas analysis (DGA), which helps one evaluate the transformers’ current state and anticipate disastrous failure. In this paper, DGA has been performed on an in-service transformer at eight different aging intervals to evaluate the influence of aging on the evolved gases (between 2470 to 3155 days), and the results are analysed to identify the pattern of the evolved gas formation.

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2023 International Conference on Power, Instrumentation, Energy and Control (PIECON)

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