Impact on rotor angle stability with high solar-PV generation in power networks

Munkhchuluun, E, Meegahapola, L and Vahidnia, A 2017, 'Impact on rotor angle stability with high solar-PV generation in power networks', in Proceedings of the 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT Europe 2017), Torino, Italy, 26-29 September 2017, pp. 817-822.


Document type: Conference Paper
Collection: Conference Papers

Title Impact on rotor angle stability with high solar-PV generation in power networks
Author(s) Munkhchuluun, E
Meegahapola, L
Vahidnia, A
Year 2017
Conference name ISGT Europe 2017: Enabling the Transition to a More Electric World
Conference location Torino, Italy
Conference dates 26-29 September 2017
Proceedings title Proceedings of the 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT Europe 2017)
Publisher IEEE
Place of publication United States
Start page 817
End page 822
Total pages 6
Abstract This paper investigates the impact on rotor angle stability (both small-disturbance and transient rotor angle stability) with high penetration of solar-PV generation in power networks. Although a number of studies have conducted on rotor angle stability with solar-photovoltaic (PV) generation, these studies have changed more than one system parameter in the analysis, hence it is difficult to make an accurate judgement on rotor angle stability impact with solar-PV generation. In this study, a systematic methodology is followed to investigate the rotor angle stability with high solar-PV generation, by maintaining steady-state system parameters constant with solar-PV integration; these parameters include active and reactive power, and maximum rotor angle difference. Study results show that by integration of solar-PV generation, small-signal stability has improved except in the remote fault scenarios where generators with power system stabiliser (PSS) are replaced with solar-PV generation. Transient stability has worsened due to increased solar-PV penetration when a fault occurs at critical points. However, transient stability has improved when a fault occurs at less critical points, and hence fault proximity to solar-PV generation is a critical determinant of transient stability.
Subjects Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Power and Energy Systems Engineering (excl. Renewable Power)
Keyword(s) Power system stabiliser (PSS)
Prony analysis
rotor angle
small-signal stability
solar-PV
transient stability
DOI - identifier 10.1109/ISGTEurope.2017.8260229
Copyright notice © IEEE 2017
ISBN 9781538619544
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