Improved sigma Z-source inverter-fed grid system for wind power generation

Publisher:
Institution of Engineering and Technology
Publication Type:
Conference Proceeding
Citation:
IET Conference Publications, 2021, 2021, (CP783), pp. 48-52
Issue Date:
2021-01-01
Full metadata record
Renewable energy is an important solution to reduce carbon emissions for a sustainable environment. Wind energy has significantly been recognized and utilized as the most preferred renewable energy source in the present time across Australia and worldwide. The southern coastline and elevated areas of Australia have good wind resources. However, the traditional boost converter and impedance source networks fail to carter the high voltage demand of the wind power generation system. In this regard, a new topology of impedance source networks, called Improved Sigma-Z-source, is proposed which facilitates a high output voltage gain. The network replaces the conventional inductor arrangement in traditional Z-source and consists of two capacitors connected in series with secondary windings of the transformer. The proposed system has a high dc voltage gain at a low turn ratio. The relevant modeling of design parameters and simulation results are presented in the paper.
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