Hybrid Pulse Width Modulation Strategy for Wide Speed Range in IPMSM with Low Cost Drives

被引:1
|
作者
Ahn, Han-woong [2 ]
Go, Sung-chul [1 ]
Lee, Ju [2 ]
机构
[1] Samsung Elect Co, Mech R&D Ctr, Seoul, South Korea
[2] Hanyang Univ, Dept Elect Engn, Seoul, South Korea
基金
新加坡国家研究基金会;
关键词
Hybrid pulse width modulation; Quasi-six-step modulation; Voltage utility maximization; Field weakening; Low cost IPMSM drive; MAGNET SYNCHRONOUS MOTOR; OPERATION; PMSM;
D O I
10.5370/JEET.2016.11.3.670
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
The control performance of hybrid PWM inverter using a phase current measurement is presented in this paper. The hybrid PWM technique consists of space vector pulse width modulation (SVPWM) and six-step voltage control operation. The SVPWM is performed to reduce the harmonic components in the low speed region, and the six-step modulation is applied to increase the maximum speed of the IPMSM in the high speed region. Therefore, it is possible to obtain a great performance in both the low speed range and high speed range. However, the six-step modulation cannot be completely implemented, since the inverter that includes the lag-shunt sensing method has an immeasurable current region. In this paper, a quasi-six-step modulation using a modified voltage vector is proposed. The validity and usefulness of the proposed PWM technique is verified by MATLAB/Simulink and experimental results.
引用
收藏
页码:670 / 674
页数:5
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