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首页> 外文期刊>Arabian Journal for Science and Engineering >Failure Detection of On-Load Tap-Changers Using a New Power-Based Algorithm
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Failure Detection of On-Load Tap-Changers Using a New Power-Based Algorithm

机译：使用新的基于功率的算法的负载分接开关的故障检测

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This paper presents a novel arcing power-based algorithm to identify failures in operations of on-load tap-changers (OLTCs). An OLTC is the solely moving part of power transformers and thus highly prone to failure. Most of the OLTC defects are originated from abnormal arcing times leading to abnormal arcing energies. The proposed algorithm utilizes the power difference between the input and output terminals of transformer to estimate the OLTC arcing power. The integration of arcing power for a tap-changing operation results in an arcing energy. This arcing energy is estimated for each operation and used as an indication of OLTC failure. By this definition, whenever the estimated arcing energy exceeds a predefined value for a tap-changing event, it shows a failure in OLTC operation. The outcomes obtained from extensive simulation studies for different internal failures and external faults prove that any malfunction or failure in the operation of OLTC can be detected by the proposed method in a timely manner.
机译：本文提出了一种基于新颖的基于电弧电源的算法，用于识别负载开变分器（OLTCS）的操作中的故障。 OLTC是电力变压器的仅移动部分，从而高度易于发生故障。大多数OLTC缺陷源自导致异常电弧能量的异常电弧时间。所提出的算法利用变压器的输入和输出端子之间的功率差来估计OLTC电弧电源。用于抽头改变操作的电弧电源的集成导致电弧能量。每个操作估计该电弧能量并用作OLTC故障的指示。通过该定义，每当估计的电弧能量超过抽头改变事件的预定义值时，它显示了OLTC操作中的故障。从不同内部故障和外部故障的广泛模拟研究中获得的结果证明了OLTC操作中的任何故障或故障都可以及时地检测到OLTC的操作。

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