Multi-objective genetic algorithm based sizing optimization of a stand-alone wind/PV power supply system with enhanced battery/supercapacitor hybrid energy storage

The present paper proposes a new approach to optimize the sizing of a multi-source PV/Wind with Hybrid Energy Storage System (HESS). Hence, a developed modeling of all sub-systems composing the integral system has been designed to establish the proposed optimization algorithm. Besides, a frequency m...

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Bibliographic Details
Published in:Energy (Oxford) 2018-11, Vol.163, p.351-363
Main Authors: Abdelkader, Abbassi, Rabeh, Abbassi, Mohamed Ali, Dami, Mohamed, Jemli
Format: Article
Language:English
Subjects:
Alternative energy
Alternative energy sources
Batteries
Economic analysis
Electricity pricing
Energy storage
Exploitation
Fourier transforms
Genetic algorithms
Hybrid energy storage system
Hybrid systems
Multi-objective genetic algorithm
Multiple objective analysis
Optimization
Photovoltaic cells
Power supplies
Renewable energy
Renewable energy sources
Sizing
Solar cells
Wind
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Summary:The present paper proposes a new approach to optimize the sizing of a multi-source PV/Wind with Hybrid Energy Storage System (HESS). Hence, a developed modeling of all sub-systems composing the integral system has been designed to establish the proposed optimization algorithm. Besides, a frequency management based on Discrete Fourier Transform (DFT) algorithm has been also used to distribute the power provided by the power supply system into different dynamics. Thus, many frequency channels have been obtained in order to divide the roles of each storage device and show the impact of integrating fast dynamics into renewable energies based applications. The reformulation of our optimization problem is considered by the minimization of the Total Cost of Electricity (TCE) and the Loss of Power Supply Probability (LPSP) of the load, simultaneously. In this respect, a multi-objective based Genetic Algorithm approach was used to size the developed system considering all storage dynamics. In order to achieve an optimal system configuration, different economic analysis cases were established. The obtained results show that the minimum of LPSP is achieved according to a very low TCE which introduces that the exploitation of renewable energy has a very important effect to promote the energy sector in Tunisia. •A multi-objective based genetic algorithm was proposed to size multi-source system.•An enhanced energy management was developed to improve the lifetime of the battery.•A Discrete Fourier Transform algorithm was used to distribute the exchanged energy.•An optimal system configuration was established according to economic analysis cases.•The minimum Loss of Power Supply Probability and electricity cost were obtained.
ISSN:0360-5442
1873-6785
DOI:10.1016/j.energy.2018.08.135