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Condition assessment of transformer by park's vector and symmetrical components to detect inter turn fault

机译:通过泊车矢量和对称分量进行变压器状态评估以检测匝间故障

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摘要

Power transformer is a strategically important component of power system due to its location and size. Sudden failure of power transformer has both technical and economical impacts. Studies indicate that inter turn fault is one of the major cause of transformer failure. Detection of presence of such fault at an early stage is important to avoid further damage. Objective of this paper is to analyse the characteristics of current during inter turn fault using Park's vector and symmetrical components approach. Comparative assessment of Park's vectors and symmetrical components is also discussed. Use of percentage deviation of vectors from healthy condition is proposed for identification of existence of such fault.
机译:电力变压器由于其位置和尺寸而成为电力系统中具有战略意义的重要组成部分。电力变压器的突然故障对技术和经济都有影响。研究表明,匝间故障是变压器故障的主要原因之一。尽早发现此类故障对于避免进一步损坏很重要。本文的目的是使用Park的矢量和对称分量方法分析匝间故障期间的电流特性。还讨论了Park向量和对称分量的比较评估。提出使用矢量与健康状况的百分比偏差来识别这种故障的存在。

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