Open-Circuit Fault Diagnosis and Fault-Tolerant Control for Coupled-Inductor-Based Aalborg Inverter

被引：0
|
作者：
Xiao, Chengqi [1 ]
Wu, Weimin [1 ]
Chen, Jianmin [2 ]
Lu, Gang [3 ]
Koutroulis, Eftichios [4 ]
Chung, Henry Shu-Hung [5 ]
Blaabjerg, Frede [6 ]
机构：
[1] Shanghai Maritime Univ, Dept Elect Engn, Shanghai, Peoples R China
[2] Zhejiang HRV Elect Co Ltd, Hangzhou, Peoples R China
[3] Zhejiang HRV Elect Co Ltd, Hangzhou, Peoples R China
[4] Tech Univ Crete, Sch Elect & Comp Engn, Khania, Greece
[5] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
[6] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
来源：
2022 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2022年
关键词：
fault diagnosis; fault-tolerant control; Aalborg inverter; open-circuit fault; reconfiguration; RELIABILITY;
D O I：
10.1109/ECCE50734.2022.9947854
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, an open-circuit fault diagnosis and fault-tolerant control method of SiC-MOSFET for the coupled-inductor-based Aalborg inverter is proposed. The method detects open-circuit faults by calculating the slope of the sampling current, and identifies the faulty SiC-MOSFET devices through a reconfiguration control algorithm. In any operating mode of the coupled-inductor-based Aalborg inverter, when the high-frequency switch tube has an open-circuit fault, the inverter can be reconfigured as a Fly-Back-type or Fly-Boost-type converter to continue operating. The proposed method enhances the reliability of the inverter and does not require additional sensors or diagnostic circuits, thus not increasing the cost of the overall system.
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页数：5
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