The effects of energy storages on small signal stability of a power system

2017 International Seminar on Intelligent Technology and Its Applications (ISITIA) Pub Date : 1900-01-01 DOI:10.1109/ISITIA.2017.8124054

D. Lastomo, H. Setiadi, M. Faisal, Andri Ashfahani, G. Bangga, G. Hutomo, Ahmad Sabila, I. Bumi

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引用次数: 11

Abstract

Utilizing additional devices for small signal stability enhancement of power systems is crucial over the last few years due to increasing number of demand, uncertainty of load and integrating intermittent power system based on renewable energy. Among the number of additional devices in power system, energy storage is becoming more popular in last few decade. This paper investigates the impact of different types of energy storage on the small signal stability of power system. In order to analyze the impact of aforementioned energy storage for small signal stability, a single power system connected to an infinite bus is used as a test system. The eigenvalue and damping ratio of the investigated mode are used to examine the impact of energy storage on dynamic behavior of the investigated system. Furthermore, a time domain simulation is used to validate the eigenvalue analysis of the system. From the simulation, it is found that the type of energy storage have significant influence on the small signal stability of power system, indicated by the increasing value of damping over the system.

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储能对电力系统小信号稳定性的影响

近年来，由于需求的增加、负荷的不确定性以及基于可再生能源的间歇性电力系统的集成，利用附加设备增强电力系统的小信号稳定性变得至关重要。在电力系统的众多附加设备中，储能是近几十年来越来越受欢迎的。本文研究了不同储能方式对电力系统小信号稳定性的影响。为了分析上述储能对小信号稳定性的影响，采用连接无限母线的单个电力系统作为测试系统。利用所研究模态的特征值和阻尼比来考察储能对所研究系统动态性能的影响。通过时域仿真验证了系统特征值分析的正确性。仿真结果表明，储能方式对电力系统的小信号稳定性有显著影响，表现为系统阻尼的增大。

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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2017 International Seminar on Intelligent Technology and Its Applications (ISITIA)

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