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A Comparative Study between H5 and HERIC Transformer-Less Inverters for PV Standalone System


Author : Essam Hendawi

Pages : 277-282, DOI: https://doi.org/10.14741/ijcet/v.8.2.13
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Abstract

This paper presents a comparative study between H5, HERIC transformer-less inverters when they are utilized in PV system feeding a standalone load. Pulse width modulation and selective harmonic elimination techniques are applied for each inverter. The comparison between the inverters is carried out based on inverter conduction losses, filter size and PV leakage current. A dc-dc boost chopper is used to raise the PV-array voltage to a suitable value to meet load requirements. The boost converter is controlled through the incremental inductance maximum power point tracker which is utilized to maximize the power delivered from the PV-array.

Keywords: PV system, H5 and HERIC inverter, incremental inductance

Article published in International Journal of Current Engineering and Technology, Vol.8, No.2 (March/April 2018)

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