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Failure analysis of power transformer for effective maintenance planning in electric utilities

机译:电力变压器故障分析,以有效规划电力设施

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摘要

In this paper, power transformer failures are analyzed and their root causes are systematically investigated in Tamil Nadu Transmission Corporation Limited (TANTRANSCO)/Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO) electric utilities, based on 196 failure cases from the year 2009-2013. Failure analysis is conducted in two phases. Initially, voltage level, geographical zone and power transformer components based failure analysis are performed through statistical analysis. Secondly, the most significant factors that cause power transformer failures are identified by using root cause analysis (RCA). Finally, current maintenance practice is reviewed and an effective maintenance planning has been proposed for implementation in order to prevent these failures and to maintain the power transformers in good operating condition during their life cycle. This study provides a practical guidance to help maintenance personnel for the best utilization of the power transformer in electric utilities. (C) 2015 Elsevier Ltd. All rights reserved.
机译:本文根据2009-2013年的196例故障案例分析了泰米尔纳德邦输电有限公司(TANTRANSCO)/泰米尔纳德邦发电与配电有限公司(TANGEDCO)电力公司的电力变压器故障,并对其根本原因进行了系统的研究。 。故障分析分为两个阶段。最初,通过统计分析执行基于电压水平,地理区域和电力变压器组件的故障分析。其次,使用根本原因分析(RCA)找出导致电力变压器故障的最重要因素。最后,对当前的维护实践进行了回顾,并提出了有效的维护计划以实施,以防止这些故障并使功率变压器在其生命周期内保持良好的工作状态。这项研究提供了实践指导,可帮助维护人员在电力公司中最佳利用电源变压器。 (C)2015 Elsevier Ltd.保留所有权利。

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