First, multiply the power in kW by 1000. Then, divide by the product of square root of 3, voltage, and power factor to find the amps per phase.
Amps Per Phase Calculator
Enter any 3 values to calculate the missing variable
An Amps Per Phase Calculator helps you determine the current in each phase of a 3-phase system based on power, voltage, and power factor. This tool is useful for balancing electrical loads and ensuring proper system performance.
Formula:
Where:
| Variable | Meaning |
|---|---|
| APP | Amps per phase |
| P | Power in kilowatts (kW) |
| V | Voltage (V) |
| PF | Power factor |
Example Calculation:
Let’s say the power (P) is 50 kW, the voltage (V) is 400V, and the power factor (PF) is 0.9.
| Step | Calculation |
|---|---|
| Power (P) | 50 kW |
| Voltage (V) | 400V |
| Power Factor (PF) | 0.9 |
| Multiply P by 1000 | |
| Multiply | |
| Divide power by result | amps per phase |
Answer: The current is 72.18 amps per phase.
What is Amps Per Phase?
The amps per phase calculation determines the current flowing through each phase of a 3-phase power system. This formula is essential for balancing electrical loads and ensuring the safe operation of electrical systems. By calculating amps per phase, you can estimate the current based on the power, voltage, and power factor of the system.
This is especially helpful in determining how many amps are required in a 3-phase system, which is commonly used in industrial and commercial applications.
For example, this calculator helps answer questions like “how do you calculate amps per phase” or “what is the maximum amps per phase”, providing insights for electrical load calculations. You can also use this tool for kW to amps conversions and phase current calculations.
