Watts = volts x amps

cobshopgrow

Well-Known Member
latest when a new version of some leds are comming to the market youre hopefully back @Rocket Soul .
And youre right, thinking of saving power in first is a good idea and lots can be done in this regard.
 

dstroy

Well-Known Member
12kw is 16 something hp continuous. You can calculate some knowns and derive the hp.

Power = k Cp1/2 p AV3

the 2nd p is supposed to be ro for air density.

Where:
P = Power output, kilowatts
Cp = Maximum power coefficient, ranging from 0.25 to 0.45, dimension less (theoretical maximum = 0.59)
ρ = Air density, lb/ft3
A = Rotor swept area, ft2 or π D2/4 (D is the rotor diameter in ft, π = 3.1416)
V = Wind speed, mph
k = 0.000133 A constant to yield power in kilowatts. (Multiplying the above kilowatt answer by 1.340 converts it to horse- power [i.e., 1 kW = 1.340 horsepower]).
 
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