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Sizing and economic analysis of stand-alone hybrid photovoltaic-wind system for rural electrification: A case study Lundu, Sarawak

Afrouzi, Hadi Nabipour; Hassan, Ateeb; Wimalaratna, Yuhani Pamodha; Ahmed, Jubaer; Mehranzamir, Kamyar; Liew, San Chuin; Malek, Zulkurnain Abdul

Authors

Hadi Nabipour Afrouzi

Ateeb Hassan

Yuhani Pamodha Wimalaratna

Kamyar Mehranzamir

San Chuin Liew

Zulkurnain Abdul Malek



Abstract

Energy Consumption has been increasing at an alarming rate due to the growing energy need. More and more non-renewable sources are harvested to fulfill the energy demand resulting in and rising environmental health issues. However, harvesting Solar and Wind energy is considered as the best alternative in generating energy as these resources are renewable. Hybrid Renewable Energy System (HRES) has been grabbed the attention recently, as it involves with renewable, environmentally friendly sources to generate energy. The limitation of single Renewable Energy (RE) system is overcome by systems such as HRES. Even though it has been introduced different sizing and optimization techniques, due to the lack of system function, it had posed issues in calculating the optimized cost of a hybrid system considering the solar, wind resources and load demand as the optimization of the system cannot be predicted accurately. The aim of this research was to obtain optimization of a Hybrid PV-wind system in term of sizing and cost over the 20 years of the period of interest. The simulation of the PV-Wind Hybrid system using MATLAB for the verification purpose. This work includes detailed calculation using the Life Cycle Cost method for identifying all possible combinations. The combination of eleven Solar Panels, one Wind Turbine and nine Batteries was identified as the optimal Combination with LCC of RM 221,329.97 and has been verified using simulation results. Lastly, a sensitivity test was carried out using the exiting results of verified by the simulation to identify the most deterministic system in affecting LCC of the Hybrid system. Further, total Cost distribution for the Optimized hybrid PV-Wind system was conducted and identified that 50% of system cost was contributed by the Wind turbine. Determination of LCC, was done as a combination of Component and Operation costs. It was identified that Replacement cost contributed the highest while Wind turbine showed the highest Operation cost from the system cost. Thus, this work was included with the sensitivity test assuming 10% price increment for each component and it was concluded that price changes in Wind turbine results the greatest difference in LCC while further verified with the results of the simulation.

Journal Article Type Article
Acceptance Date Jul 1, 2021
Online Publication Date Jul 5, 2021
Publication Date 2021-10
Deposit Date Dec 28, 2021
Publicly Available Date Jan 5, 2022
Journal Cleaner Engineering and Technology
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 4
Article Number 100191
DOI https://doi.org/10.1016/j.clet.2021.100191
Keywords Hybrid renewable energy system (HRES), Rural electrification, Optimization, Life cycle cost (LCC)
Public URL http://researchrepository.napier.ac.uk/Output/2823553

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