STUDY ON ACTIVE POWER OPTIMIZATION IN ACTIVE DISTRIBUTION NETWORKS BASED ON SHARED ENERGY STORAGE

Wang Jie; Ge Yuan; Wang Chao; Wang Pengcheng; Yu Nuo

doi:10.19912/j.0254-0096.tynxb.2023-1121

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 99-107. DOI: 10.19912/j.0254-0096.tynxb.2023-1121

STUDY ON ACTIVE POWER OPTIMIZATION IN ACTIVE DISTRIBUTION NETWORKS BASED ON SHARED ENERGY STORAGE

Wang Jie¹, Ge Yuan^1,2, Wang Chao³, Wang Pengcheng¹, Yu Nuo¹

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Abstract

Considering that the active power loss in an active distribution network primarily arises from resistive losses between branches and the phenomenon of increased active power loss in upstream branches to fulfill power balance requirements for subsequent nodes under a radial operating state, a node-to-node energy sharing strategy based on shared energy storage is proposed. Building upon this strategy, an active distribution network active optimization and scheduling model is developed, incorporating“wind-solar-gas-storage” components. The model aims to minimize the daily total active power loss in the active distribution network, employing an improved equilibrium optimization algorithm that combines forward-backward substitution. Comparative analysis is conducted with predefined scenarios. Simulation results validate the effectiveness of the proposed strategy and methodology, which not only optimize power loss and enhance voltage levels but also improve the quality of electrical energy, increase the integration proportion of distributed renewable energy, enhance the resilience and adaptability of the power system.

Key words

energy storage / active distribution networks / optimization / node energy sharing / algorithms

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Wang Jie, Ge Yuan, Wang Chao, Wang Pengcheng, Yu Nuo. STUDY ON ACTIVE POWER OPTIMIZATION IN ACTIVE DISTRIBUTION NETWORKS BASED ON SHARED ENERGY STORAGE[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 99-107 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1121

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