Induction generator fault diagnosis based on analytical admittance

被引：0
作者：
Wang Z. [1 ,2 ]
Li C. [1 ,2 ]
Wang L. [2 ]
Chen X. [2 ]
Li H. [2 ]
机构：
[1] State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan
[2] School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan
来源：
Li, Cheng (cheng_lub@163.com) | 1600年 / Electric Power Automation Equipment Press卷 / 36期
关键词：
Analytical admittance; Electric generators; Fault characteristic frequency; Hilbert transform; Iterative Prony algorithm; Mixed faults;
D O I：
10.16081/j.issn.1006-6047.2016.08.026
中图分类号：
学科分类号：
摘要：
The stator analytical admittance is proposed to identify the broken bar fault, eccentricity fault and mixed faults of inductor generator rotor. The phase shift function of Hilbert transform is applied to obtain the analytical voltage and current for constructing the analytical admittance, from which, the fault characteristic frequency is extracted. For minimizing hardware cost, the iterative Prony algorithm is adopted to accurately obtain the fundamental parameters and construct the analytical voltage. Theoretical analysis and experimental results show that the proposed method can online identify single or mixed faults of inductor generator effectively. © 2016, Electric Power Automation Equipment Press. All right reserved.
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页码：170 / 175
页数：5
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