电力变压器维修状态评估的发展

J. Haema, R. Phadungthin
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引用次数: 21

摘要

介绍了电力变压器维修状态评估的发展概况。技术包括电气试验、绝缘油试验和目视检验三种类型,由21种试验方法考虑:溶解气体分析,负荷历史,功率因数,热扫描,油质,Furan,一般情况,套管,避雷器,储罐,主罐,热线油过滤器,散热器和冷却系统,变压器控制柜,中性接地电抗器(NGR),保护设备,调节PT, OLTC室,OLTC控制柜,OLTC DGA, OLTC油质。通过对各种试验方法的分析,用每次试验的评分和加权系数表示变压器的状态评价。该方法经进一步发展,可用于有效的电力变压器维修计划。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of condition evaluation for power transformer maintenance
The development of condition evaluation for power transformer maintenance are presented in this paper. The techniques consist of three types: electrical test, insulating oil test and visual inspection, which is considered by 21 test methods: Dissolved Gas Analysis, Load History, Power Factor, Thermo Scan, Oil Quality, Furan, General Condition, Bushing, Surge Arrester, Conservator Tank, Main Tank, Hot Line Oil Filter, Radiator and Cooling System, Transformer Control Cabinet, Neutral Ground Reactor (NGR), Protection Equipment, Regulating PT, OLTC Compartment, OLTC Control Cabinet, DGA of OLTC, and OLTC Oil Quality. The condition assessment for transformer is performed by the analysis of each method, indicated by scoring and weighting factor of each tests. This method with further development could be used to effectively plan the maintenance of power transformer.
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