IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Analysis of Photovoltaic Power Yield Curtailment in Day-ahead Unit Commitment
Yusuke UdagawaYuki NishitsujiKazuhiko OgimotoJoao Gari da Silva Fonseca JuniorHideaki OhtakeTakashi OozekiTakashi IkegamiSuguru Fukutome
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2017 Volume 137 Issue 7 Pages 520-529

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Abstract

High penetration of variable renewable energy (VRE) systems will impact power system operations because generation of VRE systems depends on weather conditions. We analyzed the operational situation and photovoltaic power yield curtailment for the Tokyo Electric Power Company area in 2030 using day-ahead unit commitment (UC) model when a high penetration of VRE systems is expected. At first, we updated our UC model to optimize PV curtailment keeping power system's security (load frequency control reserve) and minimizing operational cost. Using the updated model, we found that in case of 53GW and 100GW of PV penetration, around 0.34% and 4.83% of PV curtailment would be required throughout the year. High curtailment rate would be required only in spring and autumn seasons when power demand is small and PV yield is large. Regarding the other seasons, high curtailment rate would not be needed in any of the high PV penetration scenarios.

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© 2017 by the Institute of Electrical Engineers of Japan
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