Voltage variation sensitivity analysis for unbalanced distribution networks due to photovoltaic power fluctuations

Yan, Ruifeng and Saha, Tapan Kumar (2012) Voltage variation sensitivity analysis for unbalanced distribution networks due to photovoltaic power fluctuations. IEEE Transactions on Power Systems, 27 2: 1078-1089.


Author Yan, Ruifeng
Saha, Tapan Kumar
Title Voltage variation sensitivity analysis for unbalanced distribution networks due to photovoltaic power fluctuations
Journal name IEEE Transactions on Power Systems  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2012-05-01
Sub-type Article
DOI 10.1109/TPWRS.2011.2179567
Volume number 27
Issue number 2
ISSN 0885-8950; 1558-0679
Start page 1078
End page 1089
Total pages 12
Place of publication Piscataway, NJ, United States
Publisher Institute of Electrical and Electronics Engineers
Collection year 2013
Language eng
Abstract In a geographically small distribution area, fast moving clouds may cover the whole area within a short period causing photovoltaic (PV) power to drop. When a feeder loses PV power support, bus voltages will decrease. In an unbalanced network, asymmetrical spacing and non-transposition of line configurations can result in different voltage drops for each phase. This may potentially cause some voltage problems after a decline in PV generation, such as an extremely low voltage magnitude of a certain phase and an unacceptable voltage imbalance level at a remote bus. This paper proposes a method of analyzing voltage variation sensitivity due to PV power fluctuations in an unbalanced network (unbalanced line configuration and phase loading levels). Based on this method, a network reconfiguration solution is developed to solve the voltage problems. This solution utilizes unbalanced line characteristics and realizes the potential of the network, so no extra compensation devices are needed for network support.
Keyword Photovoltaic system
Power distribution
Reconfiguration method
Unbalanced network
Voltage regulation
Voltage variation sensitivity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Paper no. TPWRS-00663-2011.

Document type: Journal Article
Sub-type: Article
Collections: Official 2013 Collection
School of Information Technology and Electrical Engineering Publications
 
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Created: Tue, 24 Apr 2012, 16:57:12 EST by Dr Ruifeng Yan on behalf of School of Information Technol and Elec Engineering