Investigation and analysis of interleaved dc-dc boost converter for grid-connected photovoltaic energy system

The original article was published on December 31, 2022. https://dergipark.org.tr/en/pub/mjen/article/955930

Erratum Note

The abstract has been corrected

Abstract

The installation of photovoltaic energy system has been increasing in recent years with the increment of the demand to the electrical power. PV system can be installed as either standalone or grid-connected. Grid-connected PV systems are more attractive because of not requiring a storage system. In this study, a three-leg interleaved boost converter for grid-connected PV system is proposed. In the proposed system, a grid-connected PV system is designed and modelled in a simulation environment. The proposed model is analysed in comparison with the conventional dc-dc boost converter topology under variations of irradiance and temperature. The comparison of two systems is performed according to input current ripple ratio and THD value of the grid current. The simulation results show that the proposed topology has lower current ripple and THD value comparing with the conventional topology.

Keywords

• dc/dc converter
• interleaved boost converter
• grid-connected PV system
• current ripple
• THD

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