Active Voltage Balancing of Integrated Modular Drive with Series DC-Link Capacitors

被引：0
作者：
Wu, Fan [1 ]
EL-Refaie, Ayman M. [1 ]
Jahns, Thomas M. [2 ]
机构：
[1] Marquette Univ, Opus Coll Engn, Dept Elect & Comp Engn, Milwaukee, WI 53233 USA
[2] Univ Wisconsin, Dept Elect & Comp Engn, Wisconsin Elect Machines & Power Elect Consortium, Madison, WI 53706 USA
来源：
2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2020年
关键词：
Active voltage balancing; integrated modular machine drive (IMMD); more electric aircraft (MEA); permanent magnet (PM) machine;
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：
In order to reduce the size and weight of transmission cables, high direct current (DC) bus voltage is desired for electrical machine drives used in the hybrid powertrains of more-electric aircraft (MEA). An integrated modular machine drive (IMMD) with DC-link capacitors connected in series is adopted to break down the supply voltage for each drive unit. With lower electrical stress, partial discharge (PD) risks at high altitudes can be significantly reduced. This paper deals with the challenge of active DC-link voltage balancing control in a megawatt-level integrated modular machine drives. Voltage closed-loop control is developed under the challenges of high electrical frequency and limited switching frequency. The impact of drive unit count and component parameter variations has been investigated, highlighting the design tradeoffs of the IMMD with series DC-link capacitors.
引用
收藏
页码：1469 / 1476
页数：8
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