A Comparative Study of Two Fault-Tolerant Dual-Motor Drive Topologies Under Short-Circuit Inverter Switch Fault

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.
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Tiago José dos Santos Moraes, Ngac-Ky Nguyen, Fabien Meinguet, Eric Semail. A Comparative Study of Two Fault-Tolerant Dual-Motor Drive Topologies Under Short-Circuit Inverter Switch Fault. International Symposium on Industrial Electronics, Jun 2015, Buzios, Brazil. pp.1490 - 1495, ⟨10.1109/ISIE.2015.7281694⟩. ⟨hal-01357945⟩

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