Performance enhancement of modified SVC as a thyristor binary switched capacitor and reactor banks by using different adaptive controllers

Q1 Chemical Engineering
Swapnil D. Patil , Renuka A. Kachare , Anwar M. Mulla , Dadgonda R. Patil
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引用次数: 6

Abstract

In this paper, a new topology with two shunts flexible AC transmission system (FACTs) devices, thyristor binary switched capacitors (TBSC), and thyristor binary switched reactors (TBSR) based SVC has been developed, which are working in parallel. Both TBSC and TBSR are designed, and simulation results are obtained for the dynamic loading condition. Switching of capacitor and reactor banks with thyristor as a switch is obtained at transient-free conditions so that the significant problem of switching harmonics is eliminated. The coarse control of reactive power is obtained by selecting switchable capacitor banks in binary mode. For fine control, the TBSR bank is designed with a total value equal to the lowest step value of the TBSC bank. It is discrete stepwise compensation at a period of one cycle, and this reactive power compensation is almost continuous as per requirement. It has near-to-zero switchings and zero steady-state harmonics. The mathematical model of TBSC + TBSR has been identified with the system identification toolbox. Different control strategies are implemented as PID controller, Model predictive control, and Model reference adaptive control. The proposed SVC topology performance is discussed based on the performance parameters such as rise time, settling time, and peak overshoot using adaptive controllers.

改进SVC作为晶闸管二进制开关电容器和电抗器组的性能通过使用不同的自适应控制器来增强
本文开发了一种新的拓扑结构,包括并联工作的双并联柔性交流输电系统(FACTs)器件、晶闸管二进制开关电容器(TBSC)和基于晶闸管二元开关电抗器(TBSR)的SVC。对TBSC和TBSR进行了设计,并得到了动态加载条件下的仿真结果。以晶闸管为开关的电容器组和电抗器组在无瞬态条件下进行开关,从而消除了开关谐波的重大问题。无功功率的粗控制是通过选择二进制模式下的可切换电容器组来实现的。对于精细控制,TBSR组的设计总值等于TBSC组的最低阶跃值。它是一个周期内的离散逐步补偿,这种无功功率补偿几乎是连续的。它具有接近零的开关和零稳态谐波。TBSC的数学模型 + TBSR已通过系统识别工具箱进行识别。实现了不同的控制策略,如PID控制器、模型预测控制和模型参考自适应控制。基于自适应控制器的性能参数,如上升时间、稳定时间和峰值过冲,讨论了所提出的SVC拓扑性能。
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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来源期刊
Journal of King Saud University, Engineering Sciences
Journal of King Saud University, Engineering Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
12.10
自引率
0.00%
发文量
87
审稿时长
63 days
期刊介绍: Journal of King Saud University - Engineering Sciences (JKSUES) is a peer-reviewed journal published quarterly. It is hosted and published by Elsevier B.V. on behalf of King Saud University. JKSUES is devoted to a wide range of sub-fields in the Engineering Sciences and JKSUES welcome articles of interdisciplinary nature.
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