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논문 기본 정보

자료유형
학술저널
저자정보
Ke Wang (China University of Mining and Technology) Yi Tang (China University of Mining and Technology) Xiao Zhang (China University of Mining and Technology) Yang Wang (China University of Mining and Technology) Chuan-Jin Zhang (China University of Mining and Technology) Hui Zhang (China University of Mining and Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.5
발행연도
2016.9
수록면
1,950 - 1,963 (14page)

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초록· 키워드

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A novel open-circuit fault diagnosis method for 3-phase 4-wire 3-level active power filters based on voltage error correlation is proposed in this paper. This method is based on observing the output pole voltage error of the active power filter through two kinds of algorithms. One algorithm is a voltage error analytical algorithm, which derives four output voltage error analytic expressions through the pulse state, current value and dc bus voltage, respectively, assuming that all of the IGBTs of a certain phase come to an OC fault. The other algorithm is a current circuit equation algorithm, which calculates the real-time output voltage error through basic circuit theory. A correlation is introduced to measure the similarity of the output voltage errors between the two algorithms, and OC faults are located by the maximum of the correlations. A FPGA has been chosen to implement the proposed method due to its fast prototyping. Simulation and experimental results are presented to show the performance of the proposed OC fault diagnosis method.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. OPEN-CIRCUIT FAULT DIAGNOSIS ALGORITHM
Ⅲ. EXPERIMENTAL RESULTS
Ⅳ. CONCLUSIONS
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UCI(KEPA) : I410-ECN-0101-2017-560-001110005