Fault tolerant Active Neutral Point Clamped inverter: Short-circuit and open-circuit failures

A. I. Lacerda, Edison R. C. da Silva
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引用次数: 5

Abstract

This paper investigates the fault-tolerant capacity of a modified three-level Active Neutral Point Clamped (ANPC) inverter when its switches are submitted to open and short-circuit failures. The main change consists on adding a thyristor in parallel with each inverter switch. This improves the behavior of the converter when a switch fails. Fault detection and identification methods are presented together with configured schemes for ten types of failures. Simulation and experimental results validate the theoretical studies.
容错有源中性点箝位逆变器:短路和开路故障
研究了一种改进的三电平有源中性点箝位(ANPC)逆变器在开关发生开断和短路故障时的容错能力。主要的变化包括在每个逆变器开关并联上增加一个晶闸管。当开关发生故障时,这改善了转换器的性能。针对十种类型的故障,提出了故障检测和识别方法,并给出了配置方案。仿真和实验结果验证了理论研究的正确性。
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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