Stabilization of Multiple Unstable Modes for Small-Scale Inverter-Based Power Systems with Impedance-Based Stability Analysis

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Abstrakt

This paper investigates the harmonic stability of small-scale inverter-based power systems. A holistic procedure to assess the contribution of each inverter to the system stability is proposed by means of using the impedancebased stability criterion. Multiple unstable modes can be identified step-by-step coming from the interactions among inverters and passive networks. Compared to the conventional system stability analysis, the approach is easy to implement and avoids the effect of potential unstable system dynamics on the impedance ratio derived for the stability analysis. PSCAD/ EMTDC simulations of a Cigre LV network Benchmark system with multiple renewable energy sources are carried out. The results confirm the validity of the proposed approach.
OriginalsprogEngelsk
TitelProceedings of the 30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015
Antal sider7
ForlagIEEE Press
Publikationsdatomar. 2015
Sider1202 - 1208
ISBN (Trykt)978-1-4799-6735-3
DOI
StatusUdgivet - mar. 2015
Begivenhed30th Annual IEEE Applied Power Electronics Conference and Exposition - Charlotte, USA
Varighed: 15 mar. 201519 mar. 2015

Konference

Konference30th Annual IEEE Applied Power Electronics Conference and Exposition
LandUSA
ByCharlotte
Periode15/03/201519/03/2015
NavnI E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN1048-2334

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