Multi Objective Modulated Model Predictive Control of Stand-Alone Voltage Source Converters

Branko Majmunovic, Tomislav Dragicevic, Frede Blaabjerg

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19 Citationer (Scopus)

Abstract

This paper introduces a novel model predictive control (MPC) strategy for stand-alone voltage source converters (VSCs) with constant switching frequency. Multiple control targets are incorporated in a single cost function. This allows fulfilling all the requirements for an uninterruptible power supply (UPS) inverter in terms of fast dynamic response, elimination of steady-state error, and harmonic compensation capability. The control output vector is determined as an analytical solution that corresponds to the minimum value of the cost function. The space vector modulation (SVM) is then used to synthesize the corresponding switching sequence. Therefore, this control strategy is equivalent to the linear state feedback control, which allows the usage of linear theory for tuning the parameters. The superior characteristics of this control strategy compared to cascaded linear control and finite control set MPC are, finally, demonstrated experimentally.

OriginalsprogEngelsk
Artikelnummer8747452
TidsskriftI E E E Journal of Emerging and Selected Topics in Power Electronics
Vol/bind8
Udgave nummer3
Sider (fra-til)2559-2571
Antal sider13
ISSN2168-6777
DOI
StatusUdgivet - sep. 2020

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