6- 10kv非接地电网架空线路单相接地故障试验

2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2018-11-01 DOI:10.1109/RTUCON.2018.8659833

A. Fedotov, G. Vagapov, Rafik Basirov, L. Abdullin, L. Gračkova

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引用次数: 6

摘要

目前，对6 ~ 35kv不接地中性点电网供电可靠性和连续性的要求不断提高。架空电力线路是供电系统中最不可靠的组成部分。早期诊断和早期消除架空电力线路的损伤是供电系统的首要任务之一。本文综述了无接地中性点架空线路小电网单相接地故障时电压和电流频谱特性的理论和实践要点。

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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Single-Phase Ground Fault Test of Overhead Power Lines in Ungrounded Power Grids of 6-10 kV

At the present time, the requirements to reliability and continuity of power supply in electrical grids of 6 - 35 kV voltage with ungrounded neutral are continuously becoming stricter. The overhead power lines are the least reliable components of power supply systems. Early diagnosis and early elimination of damages on overhead power lines is one of the priority tasks for power supply systems. This paper reviews theoretical and practical points of using voltage and current frequency spectrum characteristics during a single-phase ground fault in a small grid of overhead power lines with ungrounded neutral.

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来源期刊

2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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