基于模糊逻辑的SVC增强电力系统暂态稳定性

DRPT2000. International Conference on Electric Utility Deregulation and Restructuring and Power Technologies. Proceedings (Cat. No.00EX382) Pub Date : 2000-04-04 DOI:10.1109/DRPT.2000.855707

K. L. Lo, L. Khan

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引用次数: 30

摘要

本文将模糊控制应用于确定静态无功补偿器(SVC)的控制信号，以提高电力系统的稳定性。这种与柔性交流输电系统(FACTS)技术相关的补偿方案被广泛用于改善系统的动态性能。当在传动系统中使用时，该装置增加了功率传输并改善了机电振荡的阻尼。所提出的SVC控制器基于模糊集理论，称为模糊逻辑控制器(FLC)。FLC的输入信号选择为发电机转速偏差和加速功率。根据每个采样时间的两个输入信号确定SVC提供/吸收的无功功率。采用模糊隶属函数计算控制信号。通过一个单机无限总线系统验证了所提控制方法的有效性和可行性。

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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Fuzzy logic based SVC for power system transient stability enhancement

This paper presents an application of fuzzy control to determine the control signal of static VAr compensator (SVC) for improvement of power system stability. This compensation scheme relevant to flexible AC transmission systems (FACTS) technology is used worldwide to improve system dynamic performance. The device increases power transfer and improves the damping of electromechanical oscillations when used in transmission systems. The proposed controller for the SVC is based on fuzzy set theory and is called fuzzy logic controller (FLC). Input signals for the FLC are chosen as generator speed deviation and accelerated power. The quantity of reactive power supplied/absorbed by SVC is determined based on the two input signals at each sampling time. The control signal is calculated using fuzzy membership functions. The effectiveness and feasibility of the proposed control method is demonstrated by a one machine infinite bus system.

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DRPT2000. International Conference on Electric Utility Deregulation and Restructuring and Power Technologies. Proceedings (Cat. No.00EX382)

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