A single-phase five-level multilevel inverter with rated power fault-tolerant feature

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Aeu-International Journal of Electronics and Communications Pub Date : 2025-02-01 DOI:10.1016/j.aeue.2024.155645

Vemana Ramanarayana , Kudithi Nageswara Rao , Balram Kumar , S.V.K. Naresh

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引用次数: 0

Abstract

Multilevel inverters with fault-tolerance capabilities are critical for powering modern emergency loads, where reliability is the crucial parameter. For enhanced reliability, this paper introduces a single-phase five-level fault-tolerant multilevel inverter to ensure continuous operation even after the occurrence of the faults, while maintaining rated power output. The proposed converter achieves this feature by adopting redundant switches and triacs, which improves the fault-tolerant capability. This paper presents the detailed operating principle of the proposed converter, and its effectiveness is validated through the MATLAB/SIMULINK platform. Further, a 500 W prototype is developed and tested under normal and fault conditions. The experimental results confirmed that the proposed converter can be reconfigured to operate at rated power during faulty conditions. Furthermore, an extensive analysis of reliability, efficiency, and other performance metrics is presented to evaluate the superiority of the proposed converter. The advantages of the proposed converter make it an excellent choice for critical applications.

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具有容错能力的多电平逆变器对于为现代应急负载供电至关重要，而可靠性是关键参数。为提高可靠性，本文介绍了一种单相五电平容错多电平逆变器，以确保在发生故障后仍能持续运行，同时保持额定输出功率。所提出的转换器通过采用冗余开关和三端双向可控硅来实现这一功能，从而提高了容错能力。本文介绍了拟议转换器的详细工作原理，并通过 MATLAB/SIMULINK 平台验证了其有效性。此外，还开发了一个 500 W 的原型，并在正常和故障条件下进行了测试。实验结果证实，拟议的转换器可以重新配置，以便在故障条件下以额定功率运行。此外，还对可靠性、效率和其他性能指标进行了广泛分析，以评估所提出的转换器的优越性。拟议转换器的优势使其成为关键应用的绝佳选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.