Spectral Analysis for Detection of Two-switch Open-circuit Fault in Voltage Source Inverter of Induction Motor Drive

被引:0
作者
Hoang-Giang Vu [1 ]
Trong-Chuong Trinh [2 ]
Anh-Dung To [2 ]
机构
[1] Elect Power Univ, Fac Elect Engn, Hanoi, Vietnam
[2] Hanoi Univ Ind, Fac Elect Engn, Hanoi, Vietnam
来源
2023 ASIA MEETING ON ENVIRONMENT AND ELECTRICAL ENGINEERING, EEE-AM | 2023年
关键词
voltage source inverter; open-circuit switch fault; fault detection; fault diagnostic method; DIAGNOSIS;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Two-level voltage source inverters are widely used in electric power drives where power switches play an important role, affecting the reliability of entire system. In the operation, these switches are affected by various factors that can lead to unexpected failures. The method based on Fourier spectrum analysis is a popular technique in which various signals including alternating current signals or magnetic field signals at the dc bus can be used for the feature extraction of the open-circuit fault. This paper presents the analytical calculation of the power transmitted through the inverter, thereby determining the harmonic components appearing in the power as well as the dc current at the dc bus. Fourier spectral analysis performed with this current signal enables the detection of twoswitch open-circuit faults in the inverter.
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页数:5
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