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Analysis of Insulating Material of XLPE Cables considering Innovative Patterns of Partial Discharges

机译:考虑局部放电创新模式的交联聚乙烯电缆绝缘材料分析

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摘要

This paper aims to analyze the quality of insulation in high voltage underground cables XLPE using a prototype which classifies the following usual types of patterns of partial discharge (PD): (1) internal PD, (2) superficial PD, (3) corona discharge in air, and (4) corona discharge in oil, in addition to considering two new PD patterns: (1) false contact and (2) floating ground. The tests and measurements to obtain the patterns and study cases of partial discharges were performed at the Testing Laboratory Equipment and Materials (LEPEM) of the Federal Electricity Commission of Mexico (CFE) using a measuring equipment LDIC and norm IEC60270. To classify the six patterns of partial discharges mentioned above a Probabilistic Neural Network Bayesian Modified (PNNBM) method having the feature of using a large amount of data will be used and it is not saturated. In addition, PNN converges, always finding a solution in a short period of time with low computational cost. The insulation of two high voltage cables with different characteristics was analyzed. The test results allow us to conclude which wire has better insulation.
机译:本文旨在通过使用原型来分析高压地下电缆XLPE的绝缘质量,该原型对以下几种常见的局部放电(PD)模式进行分类:(1)内部PD,(2)表面PD,(3)电晕放电除了考虑两种新的局部放电模式外,还包括(1)错误接触和(2)浮地。为获得局部放电的模式和研究案例而进行的测试和测量是在墨西哥联邦电力委员会(CFE)的测试实验室设备和材料(LEPEM)上使用测量设备LDIC和标准IEC60270进行的。为了对上述部分放电的六个模式进行分类,将使用具有使用大量数据的特征的概率神经网络贝叶斯修正(PNNBM)方法,并且该方法不会饱和。另外,PNN收敛,总是在很短的时间内以低的计算成本找到解决方案。分析了两种不同特性的高压电缆的绝缘。测试结果使我们可以得出结论,即哪种导线具有更好的绝缘性。

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