Newbie- Transformer ?

[Trev39]

Hello

Can someone tell me if a 24vct 10amp transformer be enough amps for a 4.2amp stepper motor X 3 and stepper driver rated for 50 vdc at max amps 5.0.

Thank you for time.

[Jesse B]

Originally Posted by Trev39 Hello Can someone tell me if a 24vct 10amp transformer be enough amps for a 4.2amp stepper motor X 3 and stepper driver rated for 50 vdc at max amps 5.0. Thank you for time.

I'll assume these are 2-Phase motors.

The general formula to determine the required amperage is:
(Required Motor Amperage per Phase) x (Number of Motors) x (0.67).
For example, 4.2 x 3 x 0.67 = 8.44A, ergo 10A will be more than sufficient.

For the voltage, you use:
32 x sqrt(Motor Inductance).
For example, 32 x sqrt(1.2) = 35V.
Lower voltage will work, but you shouldn't exceed this number.

Hope this helped,


- Jesse

[Trev39]

Jesse

Thank you for your valuable help.

Travis