Stability Analysis Considering Dual Physical Constraints of Parallel-connected Virtual Synchronous Generators forming Microgrids

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Abstrakt

Although virtual synchronous generator (VSG) is a promising solution to low inertia and damping of the power electronics-based power system, improper parameter design will lead to instability of such a system. In this paper, a VSG parameter design strategy is proposed by considering both AC and DC restraints for a paralleled inverters system, where the active power output of VSG is restricted by the maximum power limit of the converters in AC side, with the energy supply bounded by the energy margin of power source in DC side. Detailed stable operation boundaries are investigated using small-signal mode by considering the dual physical constraints and the stable constraints. Therefore, the proposed parameter tuning method can not only provide enough virtual inertia for stable operation of the system, but also satisfy the power and energy restraints in practice. Detailed simulation results verified the effectiveness of the proposed strategy.
OriginalsprogEngelsk
TitelProceedings of 2019 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider7
ForlagIEEE
Publikationsdatosep. 2019
Sider2092-2098
Artikelnummer8912574
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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Citationsformater

Xie, P., Yuan, C., Guan, Y., Tan, S., Li, M., Vasquez, J. C., & Guerrero, J. M. (2019). Stability Analysis Considering Dual Physical Constraints of Parallel-connected Virtual Synchronous Generators forming Microgrids. I Proceedings of 2019 IEEE Energy Conversion Congress and Exposition (ECCE) (s. 2092-2098). [8912574] IEEE. IEEE Energy Conversion Congress and Exposition https://doi.org/10.1109/ECCE.2019.8912574