A Comparison of Fixed-Parameter Active-Power-Oscillation Damping Solutions for Virtual Synchronous Generators

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Abstrakt

In order to emulate the frequency support characteristics of conventional synchronous generators (SGs), control algorithms based on the virtual synchronous generator (VSG) have been extensively applied to grid-tied converters. However, in the case that a large inertia is used in VSGs, active power oscillations can be introduced in the transients, due to the lack of enough damping effects. To avoid this phenomena, various solutions with additional damping terms have been proposed. This paper analyzes and compares six relevant fixed- parameter active-power-oscillation damping solutions in detail, where responses under set point and phase angle changes, the parameter sensitivity, and capabilities of limiting the rate of change of frequency (RoCoF) and attenuating power ripples are included. The results show the advantages and drawbacks of each solution, leading to the conclusion that extra damping terms may significantly degrade the inertial response of VSGs and have high dependency on the parameter estimation accuracy.
OriginalsprogEngelsk
TitelIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society
Antal sider6
ForlagIEEE Communications Society
Publikationsdato16 okt. 2021
Sider1-6
Artikelnummer9589433
ISBN (Trykt)978-1-6654-0256-9
ISBN (Elektronisk)978-1-6654-3554-3
DOI
StatusUdgivet - 16 okt. 2021
BegivenhedIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society - Toronto, ON, Canada
Varighed: 13 okt. 202116 okt. 2021

Konference

KonferenceIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society
LokationToronto, ON, Canada
Periode13/10/202116/10/2021
NavnProceedings of the Annual Conference of the IEEE Industrial Electronics Society
ISSN1553-572X

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