Voltage Control Method Utilizing Solar Radiation Data in High Spatial Resolution for Service Restoration in Distribution Networks with PV
Publication: Journal of Energy Engineering
Volume 143, Issue 3
Abstract
This paper proposes a voltage control method during service restoration in the distribution networks with photovoltaic (PV) generator systems. In the current distribution automation system (DAS) process in Japan, voltage dips and surges occur during service restoration because PVs are disconnected simultaneously after a fault and subsequently reconnected after service restoration. However, in the current DAS, voltage regulators such as an on-load tap changer (OLTC) and step voltage regulators (SVRs) are not controlled during service restoration. The proposed DAS estimates the voltage in a distribution network during service restoration, and it controls the tap position of OLTC and/or SVRs according to the predicted voltage. The numerical simulation results using a real-world distribution system model on a real map and PV output profiles derived by actual square kilometer solar radiation data will be shown. Those results indicate that the proposed DAS prevents voltage deviation that occurs as long as the current DAS is used. The results also show high spatial resolution PV output data are needed to prevent voltage deviation absolutely.
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References
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Published In
Journal of Energy Engineering
Volume 143 • Issue 3 • June 2017
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jul 15, 2015
Accepted: Dec 11, 2015
Published online: Apr 7, 2016
Discussion open until: Sep 7, 2016
Published in print: Jun 1, 2017
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