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Open AccessArticle

Open-Circuit Fault Analysis and Modeling for Power Converter Based on Single Arm Model

School of Automation, Central South University, Changsha 410083, China
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Electronics 2019, 8(6), 633; https://doi.org/10.3390/electronics8060633
Received: 8 May 2019 / Revised: 30 May 2019 / Accepted: 4 June 2019 / Published: 5 June 2019
(This article belongs to the Section Power Electronics)
This paper proposes a new modeling method for power converter based on single arm model. The objective of this paper is twofold: (1) One is to present the single arm model with good portability. The single arm model can be used to build the models of power converters which have several arms with the same structure; (2) the other is that the converter model built by the single arm model can represent the power converter when open-circuit faults happened in power devices and clamping diodes. First of all, the inputs and outputs of single arm are redefined. Then, the open-circuit faults occurring in different power devices and clamping diodes are analyzed. Furthermore the single arm model is built. Finally, the model of power converter is established based on the single arm model, which can express the power converter with open-circuit fault. The effectiveness and accuracy of the proposed model have been verified by simulation and experiment results. View Full-Text
Keywords: single arm model; open-circuit fault analysis; power converter; power device; clamping diodes single arm model; open-circuit fault analysis; power converter; power device; clamping diodes
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Tao, H.; Peng, T.; Yang, C.; Chen, Z.; Yang, C.; Gui, W. Open-Circuit Fault Analysis and Modeling for Power Converter Based on Single Arm Model. Electronics 2019, 8, 633.

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