通过有限的控制集模型预测控制来进行分割源逆变器的先进控制,以提高系统性能
Ahmed Abdelaleem1, Mohamed A Ismeil2, M Nasrallah1
1Faculty of Engineering, Electrical Engineering Department, South Valley University, Qena, Egypt.
PloS one
|July 10, 2024
概括
本研究介绍了远程电力系统中分割源逆变器 (SSI) 的有限控制集模型预测控制 (MPC). 拟议的MPC确保了准确的负载电流跟踪,响应快速,超标最小,提高系统性能.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 分布式发电系统需要多功能转换器拓.
- 阻抗源转换器,包括新型分割源逆变器 (SSI),提供单阶段的buck-boost功能.
- 模型预测控制 (MPC) 策略正在成为电力系统的有效控制技术.
研究的目的:
- 为三相单阶段SSI提出一个有限控制集MPC (FCS-MPC).
- 在偏远地区的应用中支持独立负载.
- 提高SSI系统在电流跟踪和短暂响应方面的性能.
主要方法:
- 实施有限控制集模型预测控制 (FCS-MPC) 策略.
- 应用于三相单阶段分割源逆变器 (SSI) 系统.
- 使用Opal-RT OP-4510硬件进行验证,并解释功耗损失模型.
主要成果:
- 拟议的FCS-MPC实现了输出负载电流参考大小的精确跟踪,以最小化误差.
- 该系统显示了10微秒的快速沉降时间.
- 输出电流表现出最小的超标,表明系统稳定性和性能得到了增强.
结论:
- 开发的FCS-MPC是独立应用中的三相单阶段SSI的合适控制技术.
- 拟议的控制策略显著提高SSI系统性能,提供快速响应和高精度.
- 该研究验证了FCS-MPC在远程发电应用中的有效性.
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