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首页> 外文期刊>Turkish Journal of Electrical Engineering and Computer Sciences >Damping of low-frequency oscillation in power systems using hybrid renewable energy power plants
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Damping of low-frequency oscillation in power systems using hybrid renewable energy power plants

机译：使用混合再生能源发电厂的电力系统低频振荡阻尼

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摘要

Global warming, increase in environmental pollution, and high cost of electrical power generation using fossil fuels are considered the most important reasons for the application of renewable energy power plants (REPPs) around the world. In recent years, a new generation of REPPs called hybrid renewable energy power plants (HREPPs) has been implemented in order to have higher efficiency and reliability than conventional REPPs such as wind power plants and photovoltaic power plants. The HREPPs include two or more renewable energy generation units such as wind turbine generation units, and PV generation units. In case of high penetration of these types of power plants, the most common tasks of synchronous generators should be supported by them. One of these tasks is the ability to reduce the low-frequency oscillation (LFO) risk through power oscillation damper such as the power system stabilizers of synchronous generators. In this paper, a novel method is proposed for LFO damping by HREPPs, which is based on the design of an optimal power oscillation damper (OPOD) implemented in the generic HREPP controller model. The structure of the proposed OPOD is a 2nd-order single-input lead-lag controller, and its performance is investigated in a modified two-area test system. The simulation results show the proper performance of the HREPP for LFO damping using the proposed OPOD in the various loading levels and different short circuit ratio values.
机译：使用化石燃料的全球变暖，环境污染的增加，以及使用化石燃料的电力发电成本被认为是在世界各地应用可再生能源发电厂（REPPS）的最重要原因。近年来，已经实施了新一代称为混合可再生能源发电厂（HREPP）的REBP，以具有比传统的REPP更高的效率和可靠性，例如风力发电厂和光伏发电厂。 Hrepps包括两个或更多个可再生能源产生单元，如风力涡轮机生成单元和PV生成单元。如果采用这些类型的发电厂的高渗透，则应支持其同步发电机的最常见任务。其中一个任务是通过电力振荡阻尼器减少低频振荡（LFO）风险，例如同步发电机的电力系统稳定器。本文提出了一种新的方法，用于通过HREPPS进行LFO阻尼，这是基于通用HREPP控制器模型中实现的最佳功率振荡阻尼器（OPOD）的设计。所提出的OPOD的结构是2nd阶单输入引线滞后控制器，并在改进的两区域测试系统中研究了其性能。仿真结果表明，使用所提出的OPOD在各种装载水平和不同的短路比值中使用所提出的翼片来对LFO阻尼的适当性能。

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