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Here you have the possibility to calculate the sin φ, the reactive power, and the apparent power of
e.g., three-phase motors.

sin φ = Q / S
sin φ
sin φ hast to be between -1 and 1 sein!
Blind Power: Q
Apparent Power: S
Please fill all mandatory inputs.

An example:

A three-phase motor with an apparent power of 15 KVA has a sin phi of 0.33.
What reactive power results from these specifications?

sin φ=Q / S
Q=S x sin phi
Q=15 KVA x 0.33
Q=4.95 KVAr

Units of measurement:

Reactive power Q=kilovolt ampere reactive [KVAr]
Apparent power S=kilovolt ampere [KVA]
sin φ=no unit of measurement

Three-phase motor standard motor Calculate reactive power
To the product page "Three-phase motors"