Flicker Contribution of a Wind Power Plant with Single and Multiple Turbine Representations

2007 IEEE Canada Electrical Power Conference Pub Date : 2007-10-01 DOI:10.1109/EPC.2007.4520309

R. Fadaeinedjad, M. Moallem, G. Moschopoulos, S. Bassan

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引用次数: 16

Abstract

In order to study the impact of a wind power plant on network power quality all electrical, mechanical and aerodynamic aspects of wind turbines must be studied. Moreover, the contribution of every wind turbine on the wind power plant should be considered. Representing a large wind power plant by a single wind turbine (WT) or a few wind turbines results in a severer situation with regards to power quality. In the paper, however, a previously introduced wind power plant representation method, so called "quasi-multiple turbine representation (QMTR) method", is used to consider the effect of all WTs of the wind farm. It is shown that Simulink, FAST, AeroDyn, and TurbSim can be used to model the electrical, mechanical, and aerodynamic aspects of a wind power plant with 96 fixed-speed WTs. The model is used to calculate the voltage, active, and reactive powers at point of common coupling (PCC). Flicker is one of the most important power quality measures. It is induced by voltage fluctuations, which are caused by load flow changes in the grid. Modelling of an IEEE standard flickermeter in Simulink environment, instantaneous flicker sensations for two different wind power plant representations are compared. It will be shown that the QMTR method, which considers all WTs of the wind farm shows less flicker at PCC.

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单个和多个涡轮机表示的风电场闪变贡献

为了研究风力发电厂对电网电能质量的影响，必须对风力发电机的电气、机械和空气动力学方面进行研究。此外，还应考虑每台风力发电机对风力发电厂的贡献。用一台或几台风力发电机来代表大型风力发电厂，会导致电能质量的严重问题。然而，本文采用先前引入的一种风电场表示方法，即“准多机表示(QMTR)方法”来考虑风电场所有wt的影响。研究表明，Simulink、FAST、AeroDyn和TurbSim可以用来模拟96个固定速度wt的风力发电厂的电气、机械和空气动力学方面的问题。该模型用于计算共耦合点的电压、有功功率和无功功率。闪烁是最重要的电能质量指标之一。它是由电网中负荷潮流变化引起的电压波动引起的。在Simulink环境下对IEEE标准闪变仪进行建模，比较了两种不同风电场的瞬时闪变感受。结果表明，考虑风电场所有WTs的QMTR方法在PCC时的闪变较小。

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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2007 IEEE Canada Electrical Power Conference

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