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Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads

Navarro-Rodr�guez, �ngel; Garcia, Pablo; Cano, J.M.; Sumner, M.

Authors

�ngel Navarro-Rodr�guez

Pablo Garcia

J.M. Cano

MARK SUMNER MARK.SUMNER@NOTTINGHAM.AC.UK
Professor of Electrical Energy Systems



Abstract

This paper extensively analyzes the operation limits, system stability and disturbance rejection capability
of the voltage control loops used in master-slave AC and DC Microgrids (MGs). Two different control schemes are studied analytically, simulated and experimentally tested, focusing on Constant Power Loads (CPL). Additionally, the use of the virtual capacitance (VC) as a tool for response enhancement is introduced. The study pursues the proper selection of the controllers gains and minimization of capacitance values by considering the dynamic behavior.

Citation

Navarro-Rodríguez, Á., Garcia, P., Cano, J., & Sumner, M. (2017). Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads.

Conference Name 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe),
End Date Sep 14, 2017
Acceptance Date Mar 1, 2017
Online Publication Date Nov 9, 2017
Publication Date Sep 11, 2017
Deposit Date Mar 19, 2018
Publicly Available Date Mar 29, 2024
Peer Reviewed Peer Reviewed
Keywords Control methods for electrical systems, Microgrid,Non-linear control, Power quality
Public URL https://nottingham-repository.worktribe.com/output/881936
Publisher URL http://ieeexplore.ieee.org/document/8099228/
Additional Information doi:10.23919/EPE17ECCEEurope.2017.8099228

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