Enter the stepper motor current (amps) and the phase resistance (ohms) into the calculator to determine the Stepper Motor Voltage.
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Stepper Motor Voltage Formula
The following formula is used to calculate the Stepper Motor Voltage.
Vsm = Ism * PR
Variables:
- Where Vsm is the Stepper Motor Voltage (volts)
- Ism is the stepper motor current (amps)
- PR is the phase resistance (ohms)
To calculate the stepper motor voltage, multiply the stepper motor current by the phase resistance.
How to Calculate Stepper Motor Voltage?
The following two example problems outline how to calculate the Stepper Motor Voltage.
Example Problem #1:
- First, determine the stepper motor current (amps). In this example, the stepper motor current (amps) is measured to be 16.
- Next, determine the phase resistance (ohms). For this problem, the phase resistance (ohms) is calculated to be 8.
- Finally, calculate the Stepper Motor Voltage using the formula above:
Vsm = Ism * PR
Inserting the values from above and solving the equation with the imputed values gives:
Vsm = 16 * 8 = 128 (volts)
Example Problem #2:
Using the same process as example problem 1, we first define the variables outlined by the formula. In this case, the values are:
stepper motor current (amps) = 71
phase resistance (ohms) = 81
Entering these values into the formula or calculator above gives us::
Vsm = 71 * 81 = 5751 (volts)
