Design and Research of GaN-Based Motor Drive System with LC Output Filter

被引：0
|
作者：
Lyu, Zekai [1 ]
Yang, Ming [1 ]
Xu, Donglin [1 ]
Shang, Shuyu [1 ]
Xu, Dianguo [1 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin, Peoples R China
来源：
2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA) | 2019年
关键词：
gallium nitride (GaN); LC filter; resonance suppression; servo system; INVERTERS; DELAY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a gallium nitride (GaN) - based servo motor drive system. Compared to actual inverters based on insulated gate bipolar transistors (IGBTs), the proposed design extends the pulse width modulation (PWM) frequency to 100 kHz. This allows motor filters with small component sizes. Based on this, an LC filter is added to the motor drive system, and an undamped resonance suppression algorithm is proposed to suppress the resonance introduced by the filter. By adding a proper time delay, system can be stable without any additional sensors or power losses. As a result, ideal sinusoidal line-line voltage at the motor terminals, high motor efficiency and low switching noise are achieved.
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页数：6
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