two inputs five-level quasi-z-source inverter

This paper combines quasi-z-source into a typical fivelevel inverter, which includes two dc voltage sources, two quasi-z-sources and five switching devices. in this structure, the output voltage amplitude is not limited to dc voltage source and it can be increased by quasi-z-source. besides, due to nature of zsource families, this new structure is reliable and higher efficiency. also, in this inverter, two quasi-z-networks can be controlled independently. this paper also proposes new switching algorithms for proposed fivelevel dual quasi-z-source inverter based on pulse width modulation (pwm) and selective harmonic elimination method (shem) algorithms .the performance of proposed inverter and switching algorithm are validated with simulation results using matlab/simulink software and experimental results based pci1716 data acquisition system.