Abstract
The concept of interfacing power converters with Wind energy conversion systems (WECS) has tremendously assisted in improving the power-supply stability, quality and reliability. In the use of conventional traditional inverters, the need for dead time and the fact that both upper and lower switches of the same phase leg cannot be gated ON at the same time are major issues. The turning ON of both switches will lead to destruction of the device due to shoot-through condition. This paper explores a three phase Z-source inverter topology based on the distinct feature of the impedance network and eliminates the above-mentioned problems. It provides a magnificent single stage power conversion. The control of the ZSI is achieved using maximum PWM boost control scheme and simulated in MATLAB environment. This proposed topology is able to boost the inverter output voltage under low wind situation.
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