基于比例谐振控制器的PMSG变速风力发电机组建模与控制

R. Singh, Y. Chauhan
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引用次数: 2

摘要

本文提出了一种基于永磁同步发电机的变速风力发电机组与电网并网的控制方案,以及一种全尺寸背靠背电压源变换器来远程调节电压。基于永磁同步发电机的风力发电机组能够根据运行工况和极限条件,独立地将有功功率和无功功率控制在设定值上,从而对电网起到积极的支撑作用。本文建立了基于永磁同步发电机的风力发电机组的完整动态模型,并结合电压源变换器和一种新引入的控制器。本文提出了一种基于比例谐振控制器的无功监控电压控制技术。比例谐振控制器的基本功能是在选定的谐振频率处引入无限增益,以消除该频率处的稳态误差。采用比例谐振控制器可以提高变换器的参考跟踪性能,消除稳态误差。关键词:风能转换系统,PMSG,电压源变换器,P-R控制器
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling and control of PMSG based variable speed wind turbine using Proportional Resonant controller
This paper presents a controlling scheme of a permanent magnet synchronous generator based variable speed wind turbine connected to the utility grid, and a full-scale back-to-back voltage source converter to regulate the voltage at a remote location. The Permanent magnet synchronous generator based wind turbine actively supports the utility grid due to its ability to independently control the active and reactive power at a set value by considering the operating condition and limits. A complete dynamic model of the Permanent magnet synchronous generator based wind turbine together with voltage source converter and a recently introduced controller is presented in this paper. This paper presents the voltage control technique by supervisory reactive power control scheme using Proportional Resonant controller. The basic functional of the proportional resonant controller is to introduce an infinite gain at a selected resonant frequency to eliminate steady-state error at that frequency. By using the Proportional resonant controllers, the converter reference tracking performance can be enhanced which reduces as steady state error controllers can be eliminated. KeywordsWind energy conversion system (WECS), PMSG, Voltage source converter (VSC), P-R controller.
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