Fault tolerance analysis for the 5-level unidirectional T-Rectifier

This paper deals with the fault tolerance analysis applied to the converter topology 5-level unidirectional T-Rectifier (5L T-RECT) to be used for electric generating applications. The proposed generating unit is intended for aerospace applications with high fundamental electric frequency, to this purpose the investigated power electronic converter configuration is able to supply power to the electric loads at different voltage levels. The depicted analysis has been performed to show the 5L T-RECT behavior in case of either switch or diode fault; identification and consequent action to be taken are shown in order to guarantee the converter continued operation.

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