Study on Comprehensive Detection Technology of Insulation Defects in Cable Joints of Medium Voltage Distribution Network

2019 6th International Conference on Dependable Systems and Their Applications (DSA) Pub Date : 2020-01-01 DOI:10.1109/DSA.2019.00036

Lu Chen, Xueyou Huang, Caigan Nie, Hui Liu

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Abstract

Power cable is an important carrier of power in medium voltage distribution network. It plays an important role in power transportation and power distribution. Whether the insulation performance of the cable is intact in actual production is an important factor atTecting power safety. Of medium voltage distribution network cable distribution parameter calculation and analysis of decoupling, build the equivalent circuit model of cable insulation defects, with the voltage oscillation wave under transient voltage and current as the information sources, dynamicaUy generated waiting for cable joint insulation defects with reference data set of fault diagnosis, fault diagnosis of the defect or judging function, the cable joint is obtained by a maximum of judging function of defect location and defect severity, in order to complete the medium voltage distribution network cable joint composite insulation defects detection technology is designed, fmaUy adopts the form of the simulation results verify the etTectiveness of the designed by detecting technology.

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中压配电网电缆接头绝缘缺陷综合检测技术研究

电力电缆是中压配电网中电力的重要载体。它在电力输送和配电中起着重要的作用。在实际生产中电缆的绝缘性能是否完好是影响电力安全的重要因素。对中压配电网络电缆分布参数进行解耦计算和分析，建立电缆绝缘缺陷的等效电路模型，以瞬态电压和电流下的电压振荡波为信息源，动态生成等待电缆接头的绝缘缺陷，具有故障诊断的参考数据集，对故障的缺陷进行诊断或判断功能;该电缆接头得到了缺陷位置和缺陷严重程度的最大判断函数，为完成中压配电网电缆接头复合绝缘缺陷检测技术的设计，采用仿真的形式，结果验证了所设计的检测技术的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 6th International Conference on Dependable Systems and Their Applications (DSA)

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