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Fault Tolerant T-Type Cross Connected Source Nine Level Inverter

This paper presents a T-type cross connected sources nine level inverter with single open switch fault tolerant capability. Extra components and complex calculations are not required in the proposed fault tolerant method. The topology used has reduced voltage stress across switches, current and total harmonic distortion of voltage as compared to recent developed fault tolerant topologies. Phase opposition disposition sinusoidal pulse width modulation (POD-SPWM) scheme and nearest level control (NLC) is used to achieve high quality load voltage and current waveforms. MATLAB/Simulink simulation performance of the proposed fault-tolerant T-type cross connected source 9-level inverter is assessed through.