A Cross-Decoupled Current Harmonics Suppression Method for IPMSM Based on Notch Filter and Second-Order Generalized Integrator

被引:1
作者
Du, Chao [1 ]
Yang, Shuang [1 ]
Qiu, Lin [2 ]
Ma, Jien [2 ]
Fang, Youtong [2 ]
Rodriguez, Jose [3 ]
机构
[1] Shaanxi Univ Sci & Technol, Coll Elect & Control Engn, Xian 710021, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310058, Peoples R China
[3] Univ San Sebastian, Santiago 8420524, Chile
基金
中国博士后科学基金;
关键词
Harmonic analysis; Power harmonic filters; Convergence; Stator windings; Harmonics suppression; Noise measurement; Mathematical models; Notch filters; Permanent magnets; Observers; Current harmonics suppression; interior permanent magnet synchronous motors (IPMSMs); notch filter (NF); second-order generalized integrator (SOGI); PMSM; STRATEGY; OBSERVER; ERROR; MODEL;
D O I
10.1109/TPEL.2024.3507939
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 second-order generalized integrator (SOGI) is widely applied for current harmonics suppression of interior permanent magnet synchronous motors (IPMSMs). However, SOGI is single-degree of freedom and exists a tradeoff issue between the dynamic convergence response and the stable convergence precision. Thus, the final performance of current harmonics suppression is influenced. In order to address this issue, a cross-decoupled current harmonics suppression method based on notch filter and SOGI (NF-SOGI) is proposed. First, according to the opposite characteristics of SOGI and NF, SOGI is applied to extract the target current harmonic, while NF is applied to extract all the nontarget current harmonics, and thus, the target current harmonic is decoupled with the nontarget ones. Second, through the cross-link between SOGI and NF, NF-SOGI is reconstructed as double-degree of freedom, and there are two coefficients to cope with the tradeoff issue, and thus, the convergence precision can be improved under the same convergence rate. Therefore, the suppression performance of current harmonics is enhanced. Finally, the effectiveness of the proposed scheme is validated on a 17.26-kW IPMSM drive platform.
引用
收藏
页码:5715 / 5730
页数:16
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