Evaluation of Voltage Regulators for Dual-Loop Control of Voltage-Controlled VSCs

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2 Citationer (Scopus)

Abstrakt

This paper presents an evaluation for the voltage regulators adopted in the digital dual-loop voltage-controlled, LC-filtered voltage-source converters. Given the proportional control on the filter inductor current, four different capacitor voltage regulators implemented in the αβ frame are compared. The analysis elaborates that the basic proportional and resonant voltage regulator limits the control bandwidth of the voltage loop, and also results in a large non-passive impedance region, which can lead to harmonic instability. Four enhanced voltage controls are then presented, aiming to improve the transient performance of the voltage loop and the passivity of the output impedance of the converter. Experimental tests corroborate the theoretical analysis.
OriginalsprogEngelsk
TitelProceedings of 2019 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider7
ForlagIEEE
Publikationsdatosep. 2019
Sider5036-5042
Artikelnummer8912561
ISBN (Elektronisk)9781728103952
DOI
StatusUdgivet - sep. 2019
Begivenhed2019 IEEE Energy Conversion Congress and Exposition (ECCE) - Baltimore, USA
Varighed: 29 sep. 20193 okt. 2019

Konference

Konference2019 IEEE Energy Conversion Congress and Exposition (ECCE)
LandUSA
By Baltimore
Periode29/09/201903/10/2019
NavnIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

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