Transient Analysis of Irreversible Demagnetization of Permanent-Magnet Brushless DC Motor With Interturn Fault Under the Operating State

被引：51

作者：

Kim, Kyung-Tae ^{[1
]}

Lee, Yoon-Seok ^{[2
]}

Hur, Jin ^{[1
]}

机构：

[1] Univ Ulsan, Sch Elect Engn, Ulsan 680749, South Korea

[2] Mando Brose, Songnam 463400, South Korea

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2014年 / 50卷 / 05期

关键词：

Brushless dc (BLDC) motor; demagnetization; fault analysis; finite-element method (FEM); interior permanent-magnet (IPM) motor; interturn fault; irreversible demagnetization; magnet fault;

D O I：

10.1109/TIA.2014.2311494

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigated the irreversible demagnetization of a permanent-magnet (PM) brushless dc motor under an inter-turn fault condition. For the transient analysis, we developed a finite-element method-based demagnetization algorithm in the operating state, taking into account the circulating current flowing in the shorted turns and the freewheeling current flowing in the diode. We analyzed the magnetic distribution property, input current, circulating current, and demagnetization characteristic of the PM using this algorithm. The analysis results from the demagnetization algorithm were verified by dynamic fault experiments.

引用

页码：3357 / 3364

页数：8

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