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Optimal Allocation of Energy Storage System Considering Price-Based Demand Response and Dynamic Characteristics of VRB in Wind-PV-ES Hybrid Microgrid

School of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, China
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Processes 2019, 7(8), 483; https://doi.org/10.3390/pr7080483
Received: 17 June 2019 / Revised: 14 July 2019 / Accepted: 19 July 2019 / Published: 1 August 2019
(This article belongs to the Special Issue Energy Storage System: Integration, Power Quality, and Operation)
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Abstract

Studying the influence of the demand response and dynamic characteristics of the battery energy storage on the configuration and optimal operation of battery energy storage system (BESS) in the Wind-Photovoltaic (PV)-Energy Storage (ES) hybrid microgrid. A demand response model that is based on electricity price elasticity is established based on the time-of-use price. Take the capital-operating cost and direct economic benefit of the BESS and the loss of abandoned photovoltaic and wind power as the optimization objective, an optimal configuration method that considers the dynamic characteristics of the BESS and the maximum absorption of photovoltaic and wind power is proposed while using particle swarm optimization to solve. The results show that the configuration results considering the demand side response of the microgrid BESS can obtain better economy and reduce the storage capacity requirement, and the result shows that the efficiency of BESS relates to the load of the system, the distributed generation (DG) characteristics, and the dynamic characteristics of BESS. Meanwhile, the capacity and power of the energy storage configuration increase as the DG permeability increases due to the reverse load characteristic of the wind power. View Full-Text
Keywords: demand response; dynamic characteristics of batteries; optimal allocation; improved particle swarm optimization demand response; dynamic characteristics of batteries; optimal allocation; improved particle swarm optimization
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Gong, Q.; Fang, J.; Qiao, H.; Liu, D.; Tan, S.; Zhang, H.; He, H. Optimal Allocation of Energy Storage System Considering Price-Based Demand Response and Dynamic Characteristics of VRB in Wind-PV-ES Hybrid Microgrid. Processes 2019, 7, 483.

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