Assessment of Sub-synchronous Resonance Analysis Techniques in Series Compensated Line

Proceedings of the 2nd International Symposium on Computer Science and Intelligent Control Pub Date : 2018-09-21 DOI:10.1145/3284557.3284732

Ezgi Ünverdi Ağlar, A. Çapar, A. Arsoy

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Abstract

Series compensation of transmission lines is essential for power systems transfer capability enhancement, reactive power equipment and steady-state voltage stability in power systems. However, it leads to increase the risk of sub-synchronous resonance. Sub-synchronous resonance is one of the most critical issue to power system stability which can be described as general oscillation problem at one or more frequency below synchronous frequency. Frequency scanning technique, eigenvalue analysis technique and electromagnetic transient analysis technique are frequently used in the literature for the purpose of analysis sub-synchronous resonance in power systems. In this paper, Using IEEE first benchmark model (FBM), the susceptibility of the system to the SSR is investigated by the eigenvalue technique and electromagnetic transient analysis technique. PSCAD/EMTDC tools is used for electromagnetic transient analysis technique. Furthermore, the susceptibilities of the system are compared for different compensation levels in this study.

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串联补偿线路次同步谐振分析技术评价

输电线路串联补偿对提高电力系统的传输能力、无功设备和稳定电力系统的电压具有重要意义。然而，它会导致次同步共振的风险增加。次同步谐振是影响电力系统稳定性的关键问题之一，它可以被描述为低于同步频率的一个或多个频率的一般振荡问题。频率扫描技术、特征值分析技术和电磁暂态分析技术是文献中常用的分析电力系统次同步谐振的方法。本文采用IEEE第一基准模型(FBM)，利用特征值技术和电磁暂态分析技术研究了系统对SSR的敏感性。采用PSCAD/EMTDC工具进行电磁瞬变分析技术。此外，本研究还比较了不同补偿水平下系统的敏感性。

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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Proceedings of the 2nd International Symposium on Computer Science and Intelligent Control

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