Amusat, OO;
Shearing, PR;
Fraga, ES;
(2017)
On the design of complex energy systems: Accounting for renewables variability in systems sizing.
Computers and Chemical Engineering
, 103
pp. 103-115.
10.1016/j.compchemeng.2017.03.010.
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Abstract
The variability challenge inherent in the design and sizing of stand-alone renewables-based energy systems incorporating storage is addressed at the design stage. The framework developed for reliability evaluation combines the stochastic modelling of renewable resources with chronological simulation of energy system performance for the evaluation of system reliability. The effect of inter-year variability is quantified by using a modified form of the loss of power supply probability as the reliability objective. A bi-criteria problem of capital cost minimization and reliability maximization is solved for two cases of remotely-located mining operations in Chile and Canada to demonstrate the capabilities of the methodology. Approximations to the Pareto-optimal fronts generated using a multi-objective genetic algorithm (NSGA-II). The performances of the minimum-cost designs generated are investigated in each case. The methodology provides the decision maker with necessary information about a number of alternative designs based on which sizing decisions may be made.
| Type: | Article |
|---|---|
| Title: | On the design of complex energy systems: Accounting for renewables variability in systems sizing |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.compchemeng.2017.03.010 |
| Publisher version: | https://doi.org/10.1016/j.compchemeng.2017.03.010 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Energy storage, Multi-objective optimization, Reliability, Renewables variability, Systems design |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1545004 |
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