On the use of dynamic reliability for an accurate modelling of renewable power plants

Chiacchio, Ferdinando and D'Urso, Diego and Famoso, Fabio and Brusca, Sebastian and Aizpurua, Jose Ignacio and Catterson, Victoria M. (2018) On the use of dynamic reliability for an accurate modelling of renewable power plants. Energy, 151. pp. 605-621. ISSN 1873-6785 (https://doi.org/10.1016/j.energy.2018.03.101)

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Abstract

Renewable energies are a key element of the modern sustainable development. They play a key role in contributing to the reduction of the impact of fossil sources and to the energy supply in remote areas where the electrical grid cannot be reached. Due to the intermittent nature of the primary renewable resource, the feasibility assessment, the performance evaluation and the lifecycle management of a renewable power plant are very complex activities. In order to achieve a more accurate system modelling, improve the productivity prediction and better plan the lifecycle management activities, the modelling of a renewable plant may consider not only the physical process of energy transformation, but also the stochastic variability of the primary resource and the degradation mechanisms that affect the aging of the plant components resulting, eventually, in the failure of the system. This paper presents a modelling approach which integrates both the deterministic and the stochastic nature of renewable power plants using a novel methodology inspired from reliability engineering: the Stochastic Hybrid Fault Tree Automaton. The main steps for the design of a renewable power plant are discussed and implemented to estimate the energy production of a real photovoltaic power plant by means of a Monte Carlo simulation process. The proposed approach, modelling the failure behavior of the system, helps also with the evaluation of other key performance indicators like the power plant and the service availability.

ORCID iDs

Chiacchio, Ferdinando, D'Urso, Diego, Famoso, Fabio, Brusca, Sebastian, Aizpurua, Jose Ignacio ORCID logoORCID: https://orcid.org/0000-0002-8653-6011 and Catterson, Victoria M. ORCID logoORCID: https://orcid.org/0000-0003-3455-803X;
CORE (COnnecting REpositories)