Presentation Details
| Experimental parametric analysis of an LCL filter for renewable energy inverter applications using real-time implementation in hardware-in-the-loop Katherin Duarte, Karen P Fontalvo, Jan L Diaz, Miyerladis Macias, Fabio Andrade, Jhoan Montenegro. University of Puerto Rico, Mayagüez, PR, USA |
Abstract
This paper presents the experimental validation of a semi-implicit discrete-time model of an LCL filter for real-time (RT) simulation of grid-connected inverters. The model is implemented on a dSPACE platform and validated under no-load and load conditions using measured signals. Results show close agreement in waveform shape, phase, and amplitude, confirming that the model captures the dominant dynamics. A parametric analysis reveals that inductive elements mainly affect amplitude, while the capacitor strongly influences phase. These findings support the model’s suitability for real-time simulation, control design, and hardware-in-the-loop applications.
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No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
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