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文章摘要
基于带抽头电感准Z源网络的BLDCM控制策略
BLDCM Control Strategy Based on Tapped-Inductor Quasi-Z-Source network
Received:April 18, 2019
Revised:May 28, 2019
DOI：
10.19753/j.issn1001-1390.2020.19.018
中文关键词
:
无刷直流电机
转矩脉动
抽头电感
准Z源逆变器
PWM-ON-PWM
英文关键词
:
基金项目
:
国家自然科学基金（51777064），湖南省自然科学基金（2018JJ2434）资助项目,
Author Name
Affiliation
E-mail
wanghui
School of electrical and information engineering Changsha University of Science and Technology
1366764383@qq.com
zhoulawu
*
School of electrical and information engineering Changsha University of Science and Technology
1021853001@qq.com
guohao
School of electrical and information engineering Changsha University of Science and Technology
1738132237@qq.com
lifeilong
School of electrical and information engineering Changsha University of Science and Technology
1845684816@qq.com
yangbinyou
School of electrical and information engineering Changsha University of Science and Technology
120830317@qq.com
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中文摘要
:
针对无刷直流电机工作时存在的转矩脉动，分别对换相区和导通区提出不同的抑制策略。换相区在桥式电路输入端接一带抽头电感的准Z源网络，利用该拓扑的高升压增益特性，在换相期间调整直流母线电压等于4倍电机反电动势，使电机关断相电流下降速率与开通相电流上升速率相等，有效抑制换相时的转矩脉动；导通区采用PWM-ON-PWM调制方法，消除了非导通相的二极管续流现象，电流波动及转矩脉动得到很好地控制。仿真结果显示，换相期间的转矩脉动降低到3.8%，导通区的电流和转矩波形较抑制前更加平稳，证明了系统在换相区和导通区都能有效降低转矩脉动。
英文摘要
:
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