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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 443 - 453 (11page)
이용수
초록· 키워드
오류제보하기
As the core component of transmission systems, converters are very prone to failure. To improve the accuracy of fault diagnosis for wind power converters, a fault feature extraction method combined with a wavelet transform and compressed sensing theory is proposed. In addition, an improved AdaBoost-SVM is used to diagnose wind power converters. The three-phase output current signal is selected as the research object and is processed by the wavelet transform to reduce the signal noise. The wavelet approximation coefficients are dimensionality reduced to obtain measurement signals based on the theory of compressive sensing. A sparse vector is obtained by the orthogonal matching pursuit algorithm, and then the fault feature vector is extracted. The fault feature vectors are input to the improved AdaBoost-SVM classifier to realize fault diagnosis. Simulation results show that this method can effectively realize the fault diagnosis of the power transistors in converters and improve the precision of fault diagnosis.
목차
Abstract
I. INTRODUCTION
II. RESEARCH ON THE POWER DEVICE FAULTS OF CONVERTERS
III. FEATURE EXTRACTION COMBINING WAVELET AND COMPRESSED SENSING
IV. FAULT DIAGNOSIS OF POWER CONVERTERS BASED ON AN IMPROVED ADABOOST – SVM MODEL
V. SIMULATION AND EXPERIMENTAL ANALYSIS
VI. CONCLUSION
REFERENCES
참고문헌 (35)
참고문헌 신청
L. Alhmoud, “Reliability improvement for a high-power IGBT in wind energy applications,” IEEE Trans. Ind. Electron., Vol. 65, No. 9, pp. 7129-7137, Sep. 2018.
K. Ma, D. Zhou, and F. Blaabjerg, “Evaluation and design tools for the reliability of wind power converter system,” J. Power Electron., Vol. 15, No. 5, pp. 1149-1157, Sep. 2015.
W. X. Yang, P. J. Tavner, C. J. Crabtree, and M. Wilkinson, “Cost-effective condition monitoring for wind turbines,” IEEE Trans. Ind. Electron., Vol. 57, No. 1, pp. 263-271, Jan. 2010.
S. M. Jung, J. S. Park, H. W. Kim, K. Y. Cho, and M. J. Youn, “An MRAS based diagnosis of open-circuit fault in PWM voltage-source inverters for PM synchronous motor drive systems,” IEEE Trans. Power Electron., Vol. 28, No. 5, pp. 2514?2526, May. 2013.
B. J. Jiang, and Q. T. An, “A novel diagnosis technique for open-switch faults of inverters based on operating mode analysis,” Proceedings of the CSEE, Vol. 32, no. 24, pp. 30- 37, 2012.
K. Ma, D. Zhou, and F. Blaabjerg, “Evaluation and design tools for the reliability of wind power converter system,” J. Power Electron., Vol. 15, No. 5, pp. 1149-1157, Sep. 2015.
W. X. Yang, P. J. Tavner, C. J. Crabtree, and M. Wilkinson, “Cost-effective condition monitoring for wind turbines,” IEEE Trans. Ind. Electron., Vol. 57, No. 1, pp. 263-271, Jan. 2010.
S. M. Jung, J. S. Park, H. W. Kim, K. Y. Cho, and M. J. Youn, “An MRAS based diagnosis of open-circuit fault in PWM voltage-source inverters for PM synchronous motor drive systems,” IEEE Trans. Power Electron., Vol. 28, No. 5, pp. 2514?2526, May. 2013.
B. J. Jiang, and Q. T. An, “A novel diagnosis technique for open-switch faults of inverters based on operating mode analysis,” Proceedings of the CSEE, Vol. 32, no. 24, pp. 30- 37, 2012.
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UCI(KEPA) : I410-ECN-0101-2019-560-000541326