Capacity Configuration Method for Wind and PV Power in Cascade Hydro-Wind-PV Generation System Considering Flexibility Margin

In order to reduce the flexibility deficit problem brought by the expansion of new energy capacity to the cascade hydro-wind-PV generation system (CWPGS), a method for optimizing the capacity configuration of wind and photovoltaic (PV) power in CWPGS considering the flexibility margin is proposed. I...

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Bibliographic Details
Published in2024 6th Asia Energy and Electrical Engineering Symposium (AEEES) pp. 1138 - 1143
Main Authors Pan, Bingli, Liu, Baisi, Gu, Qi, Wang, Ruoyun, Duan, Qingxi, Fan, Li, Zhou, Kaixi, Wen, Yiyu
Format Conference Proceeding
LanguageEnglish
Published IEEE 28.03.2024
Subjects
capacity configuration
Costs
Electrical engineering
flexibility margin
Photovoltaic systems
two-layer model
Watersheds
Wind
wind and PV power
Wind energy generation
Wind power generation
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Summary:In order to reduce the flexibility deficit problem brought by the expansion of new energy capacity to the cascade hydro-wind-PV generation system (CWPGS), a method for optimizing the capacity configuration of wind and photovoltaic (PV) power in CWPGS considering the flexibility margin is proposed. In this paper, the supply-demand relationship of system flexibility is quantified, and the system flexibility is characterized by the flexibility margin. Then a two-layer optimization model coordinating the optimization of capacity configuration and the optimization of flexible operation is constructed considering the flexibility margin, which aims to obtain the optimal capacity of the wind and PV power plant and improve the flexibility margin of the system at the same time. Finally, the proposed two-layer model is applied to CWPGS near a watershed in Southwest China. The results verify the effectiveness and applicability of the proposed two-layer model.
DOI:10.1109/AEEES61147.2024.10544777