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电压幅值与相角独立控制的可控变压器暂态稳定控制器设计

, PP. 191-196

Keywords: 可控变压器,电压幅值与相角独立控制,动态潮流控制,FACTS,分接头,暂态稳定

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Abstract:

提出了一种新型FACTS技术——电压幅值与相角独立控制的可控变压器技术,该可控变压器由小功率的变换器与带分接头的单铁心三相变压器组成,通过小功率变换器动态调节可控变压器输出电压的幅值和相位,实现其输出的有功功率与无功功率的解耦控制。并以单机无穷大系统为例,应用直接反馈线性化的方法对可控变压器设计了提高暂态稳定性的控制器。通过MATLAB/Simulink数字仿真验证了通过控制可控变压器输出电压的幅值和相位,调节其输出有功功率和无功功率的功能,以及所设计的可控变压器控制器提高单机无穷大系统暂态稳定性的效果。

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