Microgrid impact on low frequency oscillation and resonance in power system

Krismanto, Awan Uji, Mithulananthan, N. and Krause, Olav (2016). Microgrid impact on low frequency oscillation and resonance in power system. In: 2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia). Innovative Smart Grid Technologies - Asia (ISGT-Asia), Melbourne, Australia, (424-429). 28 November - 1 December 2016. doi:10.1109/ISGT-Asia.2016.7796423

Author Krismanto, Awan Uji
Mithulananthan, N.
Krause, Olav
Title of paper Microgrid impact on low frequency oscillation and resonance in power system
Conference name Innovative Smart Grid Technologies - Asia (ISGT-Asia)
Conference location Melbourne, Australia
Conference dates 28 November - 1 December 2016
Convener IEEE
Proceedings title 2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia)
Journal name IEEE PES Innovative Smart Grid Technologies Conference Europe
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2016
Sub-type Fully published paper
DOI 10.1109/ISGT-Asia.2016.7796423
Open Access Status Not Open Access
ISBN 9781509043033
ISSN 2378-8542
Start page 424
End page 429
Total pages 6
Language eng
Abstract/Summary Renewable technology based Micro Grid (MG) are mostly implemented with power electronic devices. Those MGs have no or very small aggregated physical inertia, depending on the generation technology used. Reduction in system inertia may have negative influence on stability of the system where the MG is integrated. Conversely power injection from MG might reduce line congestion, stress on synchronous generators and improve damping performance. In this paper, impact of MG penetration in a two-area power system is thoroughly investigated for small signal stability. Eigenvalues analysis shows that damping of inter-area and local modes enhanced as MG penetration increased. For variation in system operating conditions two neighboring eigenvalues coincided and interacted. Furthermore, a weak resonance phenomenon is detected. With increasing MG penetration, the detected resonance becomes weaker as the distance between two interacting modes was kept far enough. Eventually, the resonance can be prevented and system stability can be maintained with the help of MG.
Keyword Microgrid
Small signal stability
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Conference Paper
Sub-type: Fully published paper
Collections: HERDC Pre-Audit
School of Information Technology and Electrical Engineering Publications
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Created: Sat, 14 Jan 2017, 00:23:46 EST by Dr Olav Krause on behalf of School of Information Technol and Elec Engineering