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

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Navarro-Rodríguez, Ángel, Garcia, Pablo, Cano, J.M. and 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. In: 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe),, 11-14 September 2017, Warsaw, Poland.

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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.

Item Type: Conference or Workshop Item (Paper)
Additional Information: doi:10.23919/EPE17ECCEEurope.2017.8099228
Keywords: Control methods for electrical systems, Microgrid,Non-linear control, Power quality
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Depositing User: Burns, Rebecca
Date Deposited: 19 Mar 2018 14:19
Last Modified: 08 May 2020 12:00
URI: https://eprints.nottingham.ac.uk/id/eprint/50508

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