Enhanced Flux-Weakening Control Method for Reduced DC-Link Capacitance IPMSM Drives

被引：37
作者：
Ding, Dawei [1 ]
Wang, Gaolin [1 ]
Zhao, Nannan [1 ]
Zhang, Guoqiang [1 ]
Xu, Dianguo [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2019年 / 34卷 / 08期
基金：
美国国家科学基金会;
关键词：
Adjustable maximum voltage flux-weakening controller; high voltage utilization rate; interior permanent magnet synchronousmotor (IPMSM); reduced dc-link capacitance; torque ripples reduction; INDUCTION MACHINE; CONTROL STRATEGY; DIODE RECTIFIER; MOTOR; OVERMODULATION; STABILIZATION; OPERATION; INVERTER;
D O I：
10.1109/TPEL.2018.2878877
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：
Reduced dc-link capacitance interior permanent magnet synchronous motor (IPMSM) drives have many advantages, such as longer lifetime, reduced cost, and higher power density. However, due to the dc-link voltage fluctuation, the dc-link voltage utilization rate and the torque ripples are two major issues in flux-weakening operation region. It is important to consider these two issues comprehensively when a flux-weakening control method is adopted. In this paper, the IPMSMtorque ripples caused by the dc-link voltage fluctuation and the overmodulation are analyzed in depth. In order to reduce the torque ripples and increase the utilization rate of the dc-link voltage, a novel adjustable maximum voltage based voltage closed-loop flux-weakening method is proposed. By switching between the minimum dc-link voltage control mode and the extended dc-link voltage control mode, the torque ripples can be reduced effectively and a nearly maximum utilization of the dc-link voltage can be realized. The proposed fluxweakening controlmethod only depends on the dc-link voltage and the stator current vector reference. Experimental results on a 2.2-kW IPMSM drive platform are provided to verify the effectiveness of the proposed method.
引用
收藏
页码：7788 / 7799
页数：12
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