Voltage stability augmentation of ig based wind farm using capacitor with exciter control system

8th International Conference on Electrical and Computer Engineering Pub Date : 2014-12-01 DOI:10.1109/ICECE.2014.7026915

D. Datta, M. Sheikh

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引用次数: 2

Abstract

Due to the recent expansion of renewable energy applications, wind energy conversion is receiving much interest all over the world. This is in no small part due to the rapid advances in the size of wind generators as well as the development of power electronics and their applicability in wind energy extraction, however, it has a great effect on the stability on power system. As wind turbine output is proportional to the cube of wind speed, the wind turbine generator output fluctuates due to wind speed variation. Thus this paper presents a new method to control the voltage stability by using reactive power compensation. It is observed that wind farm output voltage as well as grid voltage fluctuations can be controlled easily by applying this simple technique. Besides this, output voltage fluctuations can be smoothed by effectively controlling the reference voltage of the exciter of synchronous generator (SG). IEEE AC1A exciter is used in this study. Real wind speed data have been considered to obtained realistic responses. PSCAD/EMTDC software is used for simulation analyses.

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用电容加励磁控制系统提高大型风电场电压稳定性

由于近年来可再生能源应用的扩大，风能转换在世界范围内受到极大的关注。这在很大程度上是由于风力发电机规模的迅速发展以及电力电子技术的发展及其在风能提取中的应用，但它对电力系统的稳定性有很大的影响。由于风力发电机组的输出与风速的立方成正比，因此风力发电机组的输出会随着风速的变化而波动。因此，本文提出了一种利用无功补偿控制电压稳定的新方法。通过应用这种简单的技术，可以很容易地控制风电场输出电压和电网电压波动。此外，通过有效控制同步发电机励磁机的参考电压，可以平滑输出电压的波动。本研究采用IEEE AC1A励磁器。考虑了实际风速数据，得到了真实的响应。采用PSCAD/EMTDC软件进行仿真分析。

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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8th International Conference on Electrical and Computer Engineering

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