Online Multiparameter Identification Method for Dual Three-Phase PMSM Using Sinusoidal Current Injection

被引：0
作者：
Lu, Guangxu [1 ]
Su, Jianyong [1 ]
Zhong, Bencheng [1 ]
Yang, Guijie [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn, Harbin 150001, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2024年 / 39卷 / 10期
关键词：
Voltage; Harmonic analysis; Inverters; Accuracy; Motors; Mathematical models; Convergence; Dual three-phase permanent magnet synchronous motor (DTP-PMSM); online parameter identification; sinusoidal current injection; OFFLINE;
D O I：
10.1109/TPEL.2024.3431560
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 letter elaborates an accurate online parameter identification method for dual three-phase permanent magnet synchronous motors. For resistance and inductance identification, sinusoidal currents are strategically injected into the dq-/xy-planes. Second-order generalized integrator-based quadrature signal generators perform the extraction and differentiation of signals. These techniques eliminate identification errors and instabilities caused by nonideal back electromotive force and inverter nonlinearity. In addition, for the identification of permanent magnet flux linkage, dc current is injected into the d-axis to eliminates q-axis voltage errors caused by inverter nonlinearity, ensuring high accuracy. Experiments have been conducted to validate the effectiveness of the proposed method.
引用
收藏
页码：12053 / 12057
页数：5
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