基于并联SiC MOSFET架构的无刷直流电机高效驱动技术研究Research on high-efficiency driving technology of BLDCM based on paralleling SiC MOSFET architecture
赵君,谭博,丁力,屈盼让
摘要(Abstract)：
为满足机、弹载伺服驱动系统高功率密度与高效率的需求,提出基于并联SiC MOSFET架构的无刷直流电机高效驱动技术。针对四管分立SiC MOSFET并联不均流现象,在分析不均流机理的基础上,采用基于独立驱动的方法提高并联均流效果;并针对SiC MOSFET高速开关过程产生的较高dv/dt问题,提出一种基于PWM信号的同步采集方法,有效地提升了驱动系统鲁棒性。最后,以航空25 kW无刷直流电机驱动系统作为应用对象,通过实验验证了以上方法的有效性。
关键词(KeyWords)： SiC MOSFET;并联均流;同步采集;无刷直流电机;独立驱动;鲁棒性
基金项目(Foundation): 航空科学基金-青年基金(2016ZC31004)~~
作者(Author): 赵君,谭博,丁力,屈盼让
DOI: 10.16652/j.issn.1004-373x.2018.09.032
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