contestada

A three-phase 12 HP motor is 90% efficient with a .89 lagging power factor. What is the required rated input apparent power for this motor running under full load?

Respuesta :

princessesther2011

Answer:

The required rated input apparent power is 14.98 HP

Explanation:

Real power input = real power output ÷ efficiency

real power output = 12 HP

efficiency = 90% = 0.9

Real power input = 12 ÷ 0.9 = 13.33 HP

Apparent power input = real power input ÷ power factor = 13.33 ÷ 0.89 = 14.98 HP

Otras preguntas