Discrete-Time Current Control of Modular Multilevel Converter for Medium Voltage High Power High-Speed PMSM

被引：0
|
作者：
Xia, Tianqi [1 ]
Huang, Yunkai [1 ]
Peng, Fei [1 ]
Yao, Yu [1 ]
机构：
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Jiangsu, Peoples R China
来源：
2018 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2018年
基金：
中国国家自然科学基金;
关键词：
modular multilevel converter; high power highspeed permanent magnet synchronous motor; discrete-time current control;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
High-speed permanent magnet motors (HSPMMs) have gained ever-increasing interests in high speed direct-drive applications due to their advantages of high-power density, small size and high efficiency. However, the low stator inductance of the HSPMM causes large current ripple in the stator current, therefore brings additional iron loss. The modular multilevel converter (MMC) increases both voltage level and equivalent switching frequency, which help reducing current ripple. In this paper, an exact discrete-time model of modular multilevel converter for medium voltage high power high-speed PMSM is developed. Based on this model, a discrete-time current control considering one-sampling step digital delay is proposed. Simulation results show that the proposed discrete-time current control method has significant performance.
引用
收藏
页码：1748 / 1754
页数：7
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