Performance Analysis Project of OCR and DGR Protection Settings on Tristex Feeder of New Substation Using Digsilent Power Factory Software

Pub Date : 2024-05-13 DOI:10.52783/jes.3663

Pawenary

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Abstract

Increasing the reliability of the electricity system is very important in maintaining a stable and guaranteed electricity supply. One important factor in the electrical protection system is the setting of over current relay (OCR) and directional ground relay (DGR) settings. This study aims to analyze and evaluate the performance of the OCR and DGR protection settings on the New Pandaan Tristex Substation using DIgSILENT software. The method used in this research is modeling and simulation using DIgSILENT software. Relevant data and electrical system parameters are obtained from reliable sources. OCR and DGR protection settings are evaluated by considering protection needs through simulation analysis of fault conditions and normal operation. Tristex feeder is one of the feeder in GI New Pandaan with a total length of 2.415 km. The calculation results for the OCR setting on the incoming 20 kV side obtained for the TMS value = 0.20 while for the OCR setting on the 20 kV feeder side obtained the TMS value = 0.15. Then for the DGR setting on the incoming 20 kV side, the TMS value = 0.26 is obtained, while for the DGR setting on the 20 kV feeder side, the TMS value = 0.10 is obtained.

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使用 Digsilent Power Factory 软件对新建变电站 Tristex 馈线进行 OCR 和 DGR 保护设置的性能分析项目

提高电力系统的可靠性对于维持稳定和有保障的电力供应非常重要。电气保护系统中的一个重要因素是过电流继电器（OCR）和定向接地继电器（DGR）的设置。本研究旨在使用 DIgSILENT 软件分析和评估新潘达安特里斯特变电站的过电流继电器和定向接地继电器保护设置的性能。本研究采用的方法是使用 DIgSILENT 软件进行建模和仿真。相关数据和电气系统参数来自可靠来源。通过故障条件和正常运行的仿真分析，考虑保护需求，对 OCR 和 DGR 保护设置进行评估。Tristex 馈线是 GI New Pandaan 的馈线之一，全长 2.415 千米。20 千伏进线侧的 OCR 整定计算结果为 TMS 值 = 0.20，而 20 千伏馈线侧的 OCR 整定计算结果为 TMS 值 = 0.15。然后，对于 20 千伏进线侧的 DGR 设置，得出 TMS 值 = 0.26，而对于 20 千伏馈线侧的 DGR 设置，得出 TMS 值 = 0.10。

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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