Current Control of WRSM Considering Magnetic Saturation Phenomenon

被引：11
|
作者：
Seol, Hyun-Soo [1 ]
Jeong, Je-Myung [2 ]
Lee, Ju [1 ]
Jin, Chang-Sung [3 ]
机构：
[1] Hanyang Univ, Dept Elect Engn, Seoul 04763, South Korea
[2] Hanyang Univ, Dept Elect Engn, Seoul 04763, South Korea
[3] Hanwha Techwin, Def Business Unit, Def Robot Team, Songnam 13488, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2016年 / 52卷 / 07期
基金：
新加坡国家研究基金会;
关键词：
Lagrange function; magnetic saturation; maximum torque per ampere (MTPA) control; traction motor; wound rotor synchronous motor (WRSM);
D O I：
10.1109/TMAG.2016.2526075
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 introduces the characteristics of a 120 kW class wound rotor synchronous motor (WRSM) considering the effects of magnetic saturation in electrical steel. The flux linkage due to the rotor windings and the d-axis inductance of WRSM vary non-linearly because of the magnetic saturation. This affects the selection of a current combination for maximum torque per ampere (MTPA) control. The relation between the current combination for MTPA control and magnetic saturation is analyzed in this paper. Finding a current combination that satisfies the requirements is very difficult, because WRSM has complicated current combinations (i(f), i(d), and i(q)). Therefore, an algorithm for the calculation of the optimal current is proposed using the Lagrange function, and the current map is presented. Finally, the validation of the selected current combination is performed through the comparison of the results of an experiment and the finite-element analysis.
引用
收藏
页数：4
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