I work on the energy storage by pumped storage energy transfer stations and I found this equation E (t) = P (t) * t * PF. with E (t) and the energy produced and P (t) and the installed power and t: the operating time of the plant. my question is how calculated PF . AND can we say that PF is the capacity factor of the power plant (pump-turbine) or no . and how is it calculated?
Dear Said Zahmoun ,
The power factor is a characteristics of the load. Namely it is the cos phi of the load. So, if the load is composed of a resistor R and a reactance X, then cos phi= R/sqroot (X^2+R^2). If X=0 the cos phi=1 and phi=0 , which means a pure resistive
load.
Then you have to model your load in form of R and X.
Best wishes
The capacity factor can be determined as the ratio of the average power produced and the maximum or rated power. From the power production over the study period, usually a year, you can determine the average power.
Please look at my work
IEEE conference in London Power point
Part of this work will make this concept clear
enjoy
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