Enhanced Secondary Control for Power/Current Sharing in DC Microgrids Considering Communication‐Links Failures and Current and Voltage‐Controlled Converters

Juliana C. Neves; Rafaela D. Silveira; Sergio A. O. da Silva; Leonardo P. Sampaio; Sebastián de J. Manrique Machado

doi:10.1049/rpg2.70136

journal article Open Access Jan 01, 2025

Enhanced Secondary Control for Power/Current Sharing in DC Microgrids Considering Communication‐Links Failures and Current and Voltage‐Controlled Converters

Juliana C. Neves Rafaela D. Silveira Sergio A. O. da Silva

Leonardo P. Sampaio Sebastián de J. Manrique Machado

IET Renewable Power Generation Vol. 19 No. 1 · Institution of Engineering and Technology (IET)

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Abstract

ABSTRACT
The stable operation of DC microgrids requires robust secondary control strategies capable of ensuring accurate power sharing and bus voltage regulation, even under adverse conditions. Traditional approaches are generally based on proportional sharing according to the nominal capacities of the converters, which limits operational flexibility in scenarios requiring critical load prioritisation or maintenance strategies. This paper proposes a distributed secondary control strategy that enables individualised power allocation among converters without compromising system stability. The effectiveness of the proposed approach is validated through simulations and practical experiments under different operating conditions, including load variations, disturbances, and communication failures, demonstrating its accuracy, robustness, and applicability.

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Details

Published: Jan 01, 2025
Vol/Issue: 19(1)
License: View

Authors

J

Juliana C. Neves

Federal University of Technology – Paraná (UTFPR‐CP) Cornélio Procópio PR Brazil

R

Rafaela D. Silveira

Federal University of Technology – Paraná (UTFPR‐CP) Cornélio Procópio PR Brazil

S

Sergio A. O. da Silva

Federal University of Technology – Paraná (UTFPR‐CP) Cornélio Procópio PR Brazil

L

Leonardo P. Sampaio

Federal University of Technology – Paraná (UTFPR‐CP) Cornélio Procópio PR Brazil

S

Sebastián de J. Manrique Machado

Federal University of Technology – Paraná (UTFPR‐AP) Apucarana PR Brazil

Funding

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior Award: 001

Conselho Nacional de Desenvolvimento Cientifico e Tecnologico Award: 304707/2021‐0

Cite This Article

Juliana C. Neves, Rafaela D. Silveira, Sergio A. O. da Silva, et al. (2025). Enhanced Secondary Control for Power/Current Sharing in DC Microgrids Considering Communication‐Links Failures and Current and Voltage‐Controlled Converters. IET Renewable Power Generation, 19(1). https://doi.org/10.1049/rpg2.70136

Enhanced Secondary Control for Power/Current Sharing in DC Microgrids Considering Communication‐Links Failures and Current and Voltage‐Controlled Converters

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