Power Factor of 3IK15A-SW2 induction motor

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Power Factor of 3IK15A-SW2 induction motor

Postby om_tech_support_AC » Fri Aug 03, 2018 2:03 pm

Q: How do I calculate the Power Factor (output power vs input power ratio) for the motor 3IK15A-SW2?

A: For 3IK15A-SW2 first the input power is calculated by multiplying the voltage 220 VAC by current 0.15 A resulting in 33 W.

Electric Power.JPG
Electric Power.JPG (9.26 KiB) Viewed 1575 times

The voltage and current specs for 3IK15A-SW2 can be found using the link below.

https://catalog.orientalmotor.com/item/ ... 3ik15a-sw2

Then the output power is calculated using the equation:

Mechancial Power.JPG
Mechancial Power.JPG (10.71 KiB) Viewed 1575 times

That equation can be found in the technical references using the link below.
The torque for 3IK15A-SW2 is 0.1 N·m and rated speed is 1650 rpm for 3IK15A-SW2 . That results in an output power of 17.28 W.

To get the Power factor, divide the output power by the input power to get 0.52.

Power Factor.JPG
Power Factor.JPG (10.26 KiB) Viewed 1575 times

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