Chance constrained programming using non-Gaussian joint distribution function in design of standalone hybrid renewable energy systems

Kamjoo, Azadeh, Maheri, Alireza and Putrus, Ghanim (2014) Chance constrained programming using non-Gaussian joint distribution function in design of standalone hybrid renewable energy systems. Energy, 66. pp. 677-688. ISSN 0360-5442

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Official URL: http://dx.doi.org/10.1016/j.energy.2014.01.027

Abstract

Performance of a HRES (hybrid renewable energy system) is highly affected by changes in renewable resources and therefore interruptions of electricity supply may happen in such systems. In this paper, a method to determine the optimal size of HRES components is proposed, considering uncertainties in renewable resources. The method is based on CCP (chance-constrained programming) to handle the uncertainties in power produced by renewable resources. The design variables are wind turbine rotor swept area, PV (photovoltaic) panel area and number of batteries. The common approach in solving problems with CCP is based on assuming the uncertainties to follow Gaussian distribution. The analysis presented in this paper shows that this assumption may result in a conservative solution rather than an optimum. The analysis is based on comparing the results of the common approach with those obtained by using the proposed method. The performance of the proposed method in design of HRES is validated by using the Monte Carlo simulation approach. To obtain accurate results in Monte Carlo simulation, the wind speed and solar irradiance variations are modelled with known distributions as well as using time series analysis; and the best fit models are selected as the random generators in Monte Carlo simulation.

Item Type: Article
Uncontrolled Keywords: standalone hybrid systems, hybrid wind–PV–battery, reliability, design under uncertainties
Subjects: H100 General Engineering
H300 Mechanical Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Ay Okpokam
Date Deposited: 12 Mar 2014 08:57
Last Modified: 10 Aug 2015 11:05
URI: http://nrl.northumbria.ac.uk/id/eprint/15730

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