## Power factor for 15W AC induction motor

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DonC
Posts: 2
Joined: Fri Jun 08, 2018 8:25 am

### Power factor for 15W AC induction motor

What is the power factor (cos phi) for the 3IK15A-SW2 3-phase induction motor? My VFD needs this information for optimal tuning. Thanks!

om_tech_support_AC
Posts: 46
Joined: Tue Jan 03, 2017 2:53 pm

### Re: Power factor for 15W AC induction motor

Hi DonC,

For 3IK15A-SW2 the power factor is 0.52. The input power is calculated by multiplying the voltage 220 VAC by current 0.15 A resulting in 33 W. 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 Output Power [Watts] = 1.047 × 10-1 × T × N found in the technical references using the the link below. T or torque f is 0.1 N·m and N rated speed is 1650 rpm for 3IK15A-SW2 (found in the link above). That results in an output power of 17.28 W.

http://www.orientalmotor.com/products/p ... df#page=19

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

DonC
Posts: 2
Joined: Fri Jun 08, 2018 8:25 am

### Re: Power factor for 15W AC induction motor

Many thanks! Most helpful.