Integration and optimisation of high-penetration Hybrid Renewable Energy Systems for fulfilling electrical and thermal demand for off-grid communities

F. Kahwash*, A. Maheri, K. Mahkamov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The recent steep decline in the cost of PV panels and wind turbines provides an opportunity to utilise Hybrid Renewable Energy Systems (HRES) to fulfil thermal loads as well as the electrical demand. Two coupled system architectures are proposed and studied along with the base case of uncoupled architecture for comparison. The coupled systems include wind turbines, PV panels, battery bank, diesel generators (DG) or diesel-based Combined Heat and Power unit (CHP), boiler and thermal storage tank. Adopting a full factorial design of the experiment approach for each architecture, the optimum system is determined for a variety of combinations of the major influencing factors, namely, renewable resource intensity, thermal-to-electrical demand ratio and price of diesel fuel. Statistical analysis is conducted to investigate the effects of each factor on the cost of the system. The optimisation and statistical analysis show that, based on current prevailing components prices, an integrated system, which utilises excess electricity for fulfilling thermal loads, is cheaper than the base case with or without CHP unit.

Original languageEnglish
Article number114035
Number of pages19
JournalEnergy Conversion and Management
Volume236
Early online date25 Mar 2021
DOIs
Publication statusPublished - 15 May 2021

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