Influência da taxa de falhas e downtime na Energia Anual Produzida por uma turbina eólica de eixo horizontal (Influence of failure rate and downtime in annual energy produced on a horizontal axis wind turbine)

Pedro Adolfo Galani (, Julio Carlos Teixeira (, Sinclair Mallet Guy Guerra (

1Universidade Federal do ABC - UFABC

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2015
Volume: 13,   Issue: 9 
ISSN: 1548-0992

Following the growth trend and consolidation of wind power as a renewable source of energy in the global market, promising investments are likely to be made in Brazil in the next few years. Aiming to ensure profitability for prospective investors, studies on feasilibity, reliability and availability have to be carried out. This paper presents a method of calculation of the energy produced in a year by a horizontal axis wind turbine, considering failure rate and downtime. As a parameter, failure rates and downtime from countries whose climates are different from Brazil's were used. The outcomes analysis showed that the failure rates interfered significantly with the amount of energy produced in a year.

Index Terms:
wind turbine, reliability, availability, failure rate, downtime   

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