Grid-Forming Converter with Improved Dynamic and Disturbance Rejection Capability

This paper proposes a control strategy for grid-forming converter based on a cascaded control scheme with current and voltage controllers. The theoretical analysis demonstrates the possibility of obtaining almost zero steady-state error for the current loop utilizing only a proportional controller w...

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Bibliographic Details
Main Authors: dos Santos Serra, Amiron Wolff, de Souza Ribeiro, Luiz Antonio, Savaghebi, Mehdi
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
cascade control
Distributed power generation
disturbance input decoupling
grid-forming converter
Lead
lead compensation
Power electronics
Simulation
Steady-state
Voltage control
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Description
Summary:This paper proposes a control strategy for grid-forming converter based on a cascaded control scheme with current and voltage controllers. The theoretical analysis demonstrates the possibility of obtaining almost zero steady-state error for the current loop utilizing only a proportional controller with a magnitude and lead compensation functions to achieve high bandwidth. For the voltage loop, a disturbance input decoupling function is proposed to obtain better dynamic response for the converter under load changes. Simulations results prove the effectiveness of the proposed strategy.
ISSN:2329-5767
DOI:10.1109/PEDG61800.2024.10667424