An Inter-Turn Short-Circuits Fault Detection Strategy Considering Inverter Nonlinearity and Current Measurement Errors for Sensorless Control of SPMSM

被引：7
|
作者：
Xu, Yongxiang [1 ]
Wang, Yangrui [2 ]
Zou, Jibin [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn, Harbin 150001, Peoples R China
[2] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2022年 / 69卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Circuit faults; Voltage control; Current measurement; Mathematical models; Inverters; Harmonic analysis; Fault detection; Current measurement errors; fault diagnosis; interturn short-circuit (ITSC) fault; inverter nonlinearity; sensorless control; SYNCHRONOUS MACHINES; DIAGNOSIS; PMSM;
D O I：
10.1109/TIE.2021.3125653
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Aiming at the misdiagnosis problem of the interturn short-circuit (ITSC) fault detection method caused by the inverter nonlinearity and the current measurement errors, a d-axis residual voltage-based fault diagnostic strategy is proposed for sensorless control of the surface permanent magnet synchronous motor (SPMSM). The model of the three-phase wye-connected SPMSM with ITSC fault is established, and the expression of the d-axis residual voltage caused by the ITSC fault, the inverter nonlinearity, the current measurement errors and the motor parameter errors is derived. The proposed fault diagnostic strategy can eliminate the current relative gain coefficient error and locate the ITSC fault by using the eighth and second harmonics of the estimated d-axis residual voltage, respectively. The experimental results verify the effectiveness of the proposed fault diagnostic strategy.
引用
收藏
页码：11709 / 11722
页数：14
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