A comparative study of two fault-tolerant dual-motor drive topologies under short-circuit inverter switch fault

Tiago José dos Santos Moraes, N. Nguyen, F. Meinguet, É. Semail
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引用次数: 7

Abstract

This paper analyzes two dual-motor fault-tolerant topologies for aerospace thruster application. The first structure supplies independently both machines while the second one connects them in series for reducing the number of transistors and offering a capability of energy management between the sources. Inverter short-circuit fault is considered. Based on the peak-currents obtained in simulation in degraded mode without reconfiguration and with two different reconfiguration strategies, the two proposed topologies can be compared in economic and technical aspects.
逆变器开关短路故障下两种容错双电机驱动拓扑结构的比较研究
分析了两种用于航天推进器的双电机容错拓扑结构。第一种结构为两个机器独立供电,而第二种结构将它们串联起来,以减少晶体管的数量,并提供源之间的能量管理能力。考虑逆变器短路故障。基于退化模式下仿真得到的无重构和两种重构策略下的峰值电流,可以从经济和技术方面对两种拓扑进行比较。
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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