一种基于Si/SiC级联H桥逆变器的高性能模型预测控制方法

郭子跃; 全惠敏; 彭子舜; 戴瑜兴

doi:10.12263/DZXB.20230094

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一种基于Si/SiC级联H桥逆变器的高性能模型预测控制方法

学术论文 | 更新时间：2025-12-08

- 一种基于Si/SiC级联H桥逆变器的高性能模型预测控制方法
- A High-Performance Model Predictive Control Strategy Based on Si/SiC Cascaded H-Bridge Inverter
- 电子学报 2024年52卷第9期页码：3000-3009
- 作者机构：
  
  1.湖南大学电气与信息工程学院，湖南长沙 410082
  2.温州大学电气与电子工程学院，浙江温州 325035
- 作者简介：
  
  [ "郭子跃男，1998年1月出生于福建省三明市.2020年6月毕业于湖南大学获学士学位，现于湖南大学攻读硕士学位.主要研究方向为电力电子器件及其应用.E-mail: guoziyue@hnu.edu.cn" ]
  [ "全惠敏女，1971年10月出生于湖北省钟祥市.现为湖南大学电气与信息工程学院副教授.主要研究方向为逆变电源与数字图像处理.E-mail: hmquan@hnu.edu.cn" ]
  [ "彭子舜男，1991年5月出生于湖南省长沙市.2020年毕业于湖南大学获博士学位.现为电气数字化设计技术国家地方联合工程研究中心副总工程师.主要研究方向为电力电子与新能源技术，主持及参与国自科基金与省部级等项目5项，发表论文30余篇，获发明专利20项.E-mail: pzswzu@wzu.edu.cn" ]
  [ "戴瑜兴男，1956年1月出生于湖南省浏阳市.现为温州大学教授，电气数字化设计技术国家地方联合工程研究中心主任.现阶段主要从事方向为智慧海洋数字综合能源前沿技术研究.中国电子学会会员编号：E190002978S.E-mail: daiyx@wzu.edu.cn" ]
- 基金信息：
  
  浙江省博士后科研项目择优资助项目(ZX316000203)
- DOI：10.12263/DZXB.20230094
  中图分类号： TM46;TN386
- 收稿：2023-02-01，
  
  修回：2023-06-19，
  
  纸质出版：2024-09-25
- 稿件说明：
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郭子跃, 全惠敏, 彭子舜, 等. 一种基于Si/SiC级联H桥逆变器的高性能模型预测控制方法[J]. 电子学报, 2024, 52(09): 3000-3009.

GUO Zi-yue, QUAN Hui-min, PENG Zi-shun, et al. A High-Performance Model Predictive Control Strategy Based on Si/SiC Cascaded H-Bridge Inverter[J]. Acta Electronica Sinica, 2024, 52(09): 3000-3009.
郭子跃, 全惠敏, 彭子舜, 等. 一种基于Si/SiC级联H桥逆变器的高性能模型预测控制方法[J]. 电子学报, 2024, 52(09): 3000-3009. DOI：10.12263/DZXB.20230094

GUO Zi-yue, QUAN Hui-min, PENG Zi-shun, et al. A High-Performance Model Predictive Control Strategy Based on Si/SiC Cascaded H-Bridge Inverter[J]. Acta Electronica Sinica, 2024, 52(09): 3000-3009. DOI：10.12263/DZXB.20230094

摘要

Si/SiC级联H桥逆变器，能够利用不同器件的开关组合保证低输出电流谐波畸变率（Total Harmonic Distortion，THD）和装置效率，但也带来了Si/SiC子模块开关分配的难题. 对此，本论文设计一种变权重的模型预测控制方法（Model Predictive Control，MPC）选择总开关状态并分配子模块开关组合. 该方法在选取逆变器总开关状态和Si/SiC子模块开关组合的代价函数中引入基于器件开关损耗的变权重，以改善逆变器的效率和输出电流谐波畸变率. 在五电平Si/SiC级联H桥逆变装置上验证了变权重MPC的有效性，相比于固定权重MPC，输出电流THD最多降低2.05%，装置损耗最多降低4.53%.

Abstract

Si/SiC cascaded H-bridge inverters enable a combination of different devices to ensure low output current total harmonic distortion (THD) and high device efficiency. However

this also presents the challenge of switching and assigning Si/SiC cells. In this paper

a model predictive control (MPC) with variable weight is designed to select the total switch state and assign the cell switch combination. In this method

a variable weight based on the switching loss of the device is introduced into the cost function of selecting the total switching state of the inverter and the switching combination of Si/SiC cells

to improve the efficiency and output current harmonic distortion rate of the inverter. The effectiveness of variable-weight MPC is verified on the five-level Si/SiC cascaded H-bridge inverter device

and the output current THD is reduced by up to 2.05% and the device loss is reduced by up to 4.53% compared with the fixed-weight MPC.

关键词

Keywords

references

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