Modelling, Design and Performance Analysis of  LCL Filter for Grid Connected Three Phase  Power Converters

A. U. Essien; F. U. Ilo

doi:10.9734/jenrr/2022/v12i130291

Research Article Open access CC BY 4.0

Modelling, Design and Performance Analysis of LCL Filter for Grid Connected Three Phase Power Converters

A. U. Essien, F. U. Ilo

Journal of Energy Research and Reviews · pp. 36–51 · Published 8 Aug 2022

10.9734/jenrr/2022/v12i130291

Abstract

The use of Power Converters to integrate renewable sources of power with the ac grid has been on the increase in the last two decades. An LCL filter is often used to interconnect the Power Converters to the utility grid in order to filter the high order harmonics produced by the Converter. To achieve the high filtering performance that meet the stringent grid code requirement and also balance cost and effectiveness, an optimal design of the LCL filter is required. This paper presents the modelling and a comprehensive design methodology of an LCL filter for grid – interconnected converters using analytical approach. The simulation results show that with this design method, 99.51% of the current harmonics present at the converter output is mitigated.

LCL filter power converter Total Harmonic Distortion (THD) passive damping

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A. U. Essien, F. U. Ilo (2022). Modelling, Design and Performance Analysis of LCL Filter for Grid Connected Three Phase Power Converters. Journal of Energy Research and Reviews , 36–51. https://doi.org/10.9734/jenrr/2022/v12i130291

Affiliations

A. U. Essien — Department of Electrical and Electronic Engineering, Akanu Ibiam Federal Polytechnic Unwana, P.M.B. 1007, Afikpo, Ebonyi State, Nigeria.
F. U. Ilo — Department of Electrical and Electronic Engineering, Enugu State University of Science and Technology, P.M.B. 01660, Agbani, Enugu State, Nigeria.

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