Selection of Wind Turbine Generator based on Reliability and Economic Viability - A Case Study

Suchitra G. Holla, Suresh H. Jangamshetti, and Angadi B. Raju


Reliability, Economic viability, WTG system


This paper presents a case study for selection of Wind Turbine Generator (WTG) system based on higher reliability and economic viability.. The methodology consists of evaluation of reliability, initial cost and payback period for three different hub heights of WTG system. Total reliability is calculated considering power output and components failure of WTG system. Initial cost estimation includes the land cost, permission cost, machine cost and hub height tower cost. Payback period of WTG system is estimated considering initial cost, maintenance cost and energy cost. Wind speed data from Kappadgudda wind site, Gadag, Karnataka, India is considered for the study. Reliability analysis and cost evaluation are done for seven different types of turbines at 30m, 50m and 70m hub height of WTG system. A load curve from Rampur power station, Karnataka is considered for the study. It is found from the analysis that NEPC MICON type of turbine is found to be more reliable and economical for the considered site. The proposed methodology helps financial investors to select more reliable and economical WTG system for a site.

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