中国电机工程学报2016，Vol.36Issue(7)：1877-1884,8.DOI:10.13334/j.0258-8013.pcsee.2016.07.014
基于模型预测控制的模块化多电平变流器新型混合控制策略
A Novel Hybrid Control Strategy Based on Model Predictive Control for Modular Multilevel Converters
摘要
Abstract
The existing control methods for modular multilevel converters practically have many problems such as complex parameter tuning for multiple parameter controllers, large amount of calculation and low precision in steady performances. This paper proposed a new hybrid control strategy based on model predictive control, which utilized double closed-loop control to apply no static error control of AC side power, and adopted establishing cost functions and choosing the optimal switching state to realize circulating current control and submodular voltage balancing control. A weighting factor was introduced to reduce the switching frequency. An 11 level MMC simulation control system was built to verify the theory, and the results show that the proposed method is computationally efficient and has high control accuracy and strong robustness.关键词
模型预测控制/模块化多电平变流器/电容均压/开关频率/信号调制Key words
model predictive control/modular multilevel converter (MMC)/capacitor voltage balancing/switching frequency/signal modulation分类
信息技术与安全科学引用本文复制引用
林环城,王志新..基于模型预测控制的模块化多电平变流器新型混合控制策略[J].中国电机工程学报,2016,36(7):1877-1884,8.基金项目
国家自然科学基金项目(51377105)。 Project Supported by National Natural Science Foundation of China (51377105) （51377105）
