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International Journal of Statistika and Mathematika, ISSN: 2277- 2790 E-ISSN: 2249-8605

Volume 11, Issue 2, August 2014 pp 153-157
Research Article

Cost-benefit analysis of two-unit cold standby wind turbines system subject to non-Availability of wind and human error

Ashok Kumar Saini

Associate Professor, Department of Mathematics, B. L. J. S. College, Tosham, Bhiwani, Haryana, INDIA

Academic Editor: Dr. Dase R. K.


Introduction: Humans use wind flow for many purposes: sailing boats, pumping water, grinding mills and also generating electricity. Wind turbines convert the kinetic energy of the moving wind into electricity. The advantages of wind energy is (1) Can be used for both distributed generation or grid interactive power generation using on-shore or off shore technologies (2)Ranges of power producing turbines are available. Micro-turbines are capable of producing 300W to 1MW and large wind turbines have typical size of 35kW-3MW (3) Wind turbine is suitable to install in remote rural area, water pumping and grinding mills. In this paper we have taken failure which is caused due to non-availability of wind energy (NAWE) by wind and open failure mode due to human error. Using semi-Markov technique with regeneration point technique we have evaluated (1) MTSF (2) Availability (3) busy period analysis (4) Expected number of visits by the repairman (5) cost-benefit analysis. Availability of wind energy by wind cannot occur simultaneously in both the units and after failure the unit undergoes repair immediately.


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