Sliding Mode Control for Single-Phase Grid-Connected Voltage Source Inverter with L and LCL Filters

Author:

de Brito Moacyr A. G.1ORCID,Dourado Egon H. B.1,Sampaio Leonardo P.2,da Silva Sergio A. O.2,Garcia Raymundo C.1

Affiliation:

1. Electrical Engineering Department, Faculty of Engineering, Architecture and Urbanism and Geography, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil

2. Electrical Engineering Department, Federal Technological University of Paraná—UTFPR, Cornélio Procópio 86300-000, PR, Brazil

Abstract

This paper presents an analysis of the sliding mode control (SMC) method applied to a single-phase grid-connected voltage source inverter (VSI) with L and LCL filters. First, simulation results were presented for the L filter, and then, after some adjustments, the same theory was applied to the LCL VSI with active damping. To improve the obtained results for the SMC control, we adopted the hyperbolic tangent function and the explicit establishment of the modulation index m in the mathematical procedure to help reduce the chattering phenomena; later on, the same function was replaced by the usage of a proportional plus resonant controller to continuously improve the control system responses.

Publisher

MDPI AG

Subject

General Earth and Planetary Sciences

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3. Parks-McClellan Algorithm-Based Active Damping Strategy Applied to Grid-Connected Inverters;2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP);2023-11-26

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