Small-disturbance stability of Oman/UAE interconnected system

2013 7th IEEE GCC Conference and Exhibition (GCC) Pub Date : 2013-11-01 DOI:10.1109/IEEEGCC.2013.6705842

Omar H. Abdalla, R. Albadwawi, H. Al-Hadi, H. Al-Riyami, A. Al-Nadabi, K. Karoui, A. Szekut, A. Al-Hinai

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Abstract

This paper presents small-disturbance stability studies of the interconnected power systems of the Sultanate of Oman and the State of the United Arab Emirates. The two systems are interconnected through the existing 220 kV double circuit transmission line between Oman and Abu Dhabi leading to a rather longitudinal structure power system. The objective of the paper is to assess the inter-area oscillation damping of this interconnected system during small amplitude disturbances by using eigenvalue analysis. A detailed model of the interconnected system is obtained including representation of generators, prime movers, speed governors, exciters, automatic voltage regulators, transmission lines, transformers, compensators and loads. The system eigenvalues are calculated at various operating scenarios, including peak and minimum loading conditions with zero and maximum power exchanges in both directions and also during N and N-1 conditions. The results have shown that both systems have adequate damping before being interconnected. After interconnection, the eigenvalues profile indicates that the system will remain stable and satisfactorily damped for the considered power exchanges.

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阿曼/阿联酋互联系统的小扰动稳定性

本文研究了阿曼苏丹国和阿拉伯联合大公国互联电力系统的小扰动稳定性。这两个系统通过阿曼和阿布扎比之间现有的220千伏双回路输电线路相互连接，形成了一个纵向结构的电力系统。本文的目的是利用特征值分析来评估该互联系统在小振幅扰动下的区域间振荡阻尼。得到了互连系统的详细模型，包括发电机、原动机、调速器、励磁器、自动电压调节器、输电线路、变压器、补偿器和负载的表示。系统特征值计算在各种运行场景下，包括峰值和最小负荷条件下，在两个方向上的零和最大功率交换，以及在N和N-1条件下。结果表明，两个系统在互连前都有足够的阻尼。互连后，特征值轮廓表明系统将保持稳定，并对所考虑的电力交换进行令人满意的阻尼。

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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2013 7th IEEE GCC Conference and Exhibition (GCC)

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