Academic Journal

A Noninvasive and Robust Diagnostic Method for Open-Circuit Faults of Three-Level Inverters

التفاصيل البيبلوغرافية
العنوان: A Noninvasive and Robust Diagnostic Method for Open-Circuit Faults of Three-Level Inverters
المؤلفون: Xun Wu, Te-Fang Chen, Shu Cheng, Tianjian Yu, Chaoqun Xiang, Kaidi Li
المصدر: IEEE Access, Vol 7, Pp 2006-2016 (2019)
بيانات النشر: IEEE, 2019.
سنة النشر: 2019
المجموعة: LCC:Electrical engineering. Electronics. Nuclear engineering
مصطلحات موضوعية: Fault diagnosis, fault location, inverters, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
الوصف: This paper proposes a noninvasive switch open-circuit (OC) fault diagnosis method for a three-level inverter based on voltage detection. Under both healthy and faulty operation, the possible values of two line voltages are analyzed, and the waveforms are obtained according to the analysis. Faults can be quickly diagnosed by the ratio, the voltage difference, and the arithmetic values of the two line-voltages. The time consumption of the single-switch OC faults diagnosis is less than half of a cycle. When some of two switches failures (double-switch OC faults) occur, faults can also be accurately located using this method, and these fault diagnosis processes can be completed within one cycle. Performance evaluation experiments are carried out to verify the effectiveness of the method. The results show that the proposed method is robust to load variation and immune to certain load OC failures. It was also found in the experiments that the diode OC faults can be distinguished from switch OC faults despite having similar fault features.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2169-3536
Relation: https://ieeexplore.ieee.org/document/8579220/; https://doaj.org/toc/2169-3536
DOI: 10.1109/ACCESS.2018.2886706
URL الوصول: https://doaj.org/article/6245eee52b38427c8d4f5b81af3359dd
رقم الانضمام: edsdoj.6245eee52b38427c8d4f5b81af3359dd
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:21693536
DOI:10.1109/ACCESS.2018.2886706