Two-layer optimal configuration of distribution grid energy storage system considering distributed PV light abandonment

Qi Dong; Xiaoteng Li; Haodong du

doi:10.1117/12.3005149

25 September 2023 Two-layer optimal configuration of distribution grid energy storage system considering distributed PV light abandonment

Qi Dong, Xiaoteng Li, Haodong du

Author Affiliations +

Proceedings Volume 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023); 127880Y (2023) https://doi.org/10.1117/12.3005149
Event: Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 2023, Kuala Lumpur, Malaysia

Abstract

The distribution system's ability to operate securely and steadily will be seriously hampered by the enormous number of dispersed PV accesses present in the network. Large-scale access to energy storage systems in distribution networks has emerged as a development trend and a crucial means of achieving the large-scale grid connection of distributed PV due to the ongoing advancement of energy storage technologies. Currently, the biggest barrier preventing the use of energy storage systems in distribution networks is their high investment costs. This study examines the most cost-effective approach for allocating energy storage in a distributed PV system. With restrictions like upper and lower rated capacity constraints, installation location constraints, grid node power balance constraints, node voltage magnitude constraints, and branch active power constraints, the upper layer targets the investment and operation cost of distributed energy storage systems. The minimum PV abandonment rate is used as the optimization objective in the lower layer, and the constraints include the generator output constraint, storage charge state continuity constraint, storage charge state constraint, storage system power constraint, and storage system charge and discharge power constraint. Finally, the IEEE 33-node distribution network arithmetic example is used to demonstrate the usefulness and viability of the suggested approach. The simulation results also demonstrate how taking into account a specific abandonment rate can lower the investment and operating costs of an energy storage system.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Qi Dong, Xiaoteng Li, and Haodong du "Two-layer optimal configuration of distribution grid energy storage system considering distributed PV light abandonment", Proc. SPIE 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 127880Y (25 September 2023); https://doi.org/10.1117/12.3005149

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KEYWORDS

Solar energy

Mathematical optimization

Photovoltaics

Power grids

Solar cells

Data modeling

Distributed computing

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