Enter the voltage, current, power factor, and horsepower (leaving one field empty) into the calculator to determine the missing parameter.
- All Unit Converters
- CC to HP Calculator
- WHP to HP Calculator
- HP to Amps Calculator
- HP to KVA Calculator
- HP to Voltage Calculator
- Horsepower to KW Calculator
3 Phase Horsepower Formula
The following equation is used to calculate the horsepower in a three-phase system.
HP = (\sqrt{3} \times V \times I \times PF) / 746 - Where HP is the horsepower (HP)
- V is the line-to-line voltage (V)
- I is the line current (A)
- PF is the power factor
To calculate the missing parameter, leave one field blank and input valid values for the remaining three.
What is a 3 Phase Horsepower Calculator?
Definition:
A 3 Phase Horsepower Calculator is a tool used to determine the missing electrical parameter in a three-phase system by leveraging the relationship between voltage, current, power factor, and horsepower.
How to Calculate 3 Phase Horsepower?
Example Problem:
The following example outlines the steps and information needed to calculate the missing parameter in a three-phase system.
First, determine the provided values. In this example, the voltage is 400 V, the current is 15 A, and the power factor is 0.85.
Next, apply these values to the formula above:
HP = (√3 × 400 × 15 × 0.85) / 746
HP = (1.732 × 400 × 15 × 0.85) / 746
HP ≈ 11.84
Thus, the motor produces approximately 11.84 horsepower.
FAQ
What factors can affect the horsepower calculation accuracy?
The calculation accuracy can be influenced by variations in voltage, current, and power factor due to measurement errors or load fluctuations, which can result in differences in the computed horsepower.
How do I decide which field to leave empty?
To determine the missing parameter, simply leave the field corresponding to the unknown value empty while ensuring the remaining three values are provided accurately.
Can this calculator be used for both motors and generators?
Yes, this calculator is applicable to any three-phase system, whether you are evaluating the performance of motors or generators, as long as the input values are measured correctly.