The fraction of time during a given period that the turbine is actually on line is called?(a) Availability factor(b) Flat rating(c) Cut in velocity(d) Cut out velocityThis question was addressed to me during an interview for a job.I'm obligated to ask this question of Wind Turbine Operation in section Wind Energy of Energy Engineering

The fraction of time during a given period that the turbine is actuall

1.	The fraction of time during a given period that the turbine is actually on line is called?(a) Availability factor(b) Flat rating(c) Cut in velocity(d) Cut out velocityThis question was addressed to me during an interview for a job.I'm obligated to ask this question of Wind Turbine Operation in section Wind Energy of Energy Engineering
Answer» The correct option is (a) AVAILABILITY FACTOR The best I can explain: The availability factor is defined as the fraction of time during a given period that the turbine is ACTUALLY on LINE. The actual wind velocity at the propeller hub that determines the turbine power is usually higher.

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