Quick Answer
The calculate active power in a balanced three-phase ac system computes p_active from the input values you provide.
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Explore ToolFusionResult Interpretation
Calculate active power in a balanced three-phase AC system computes p_active in W using the defined engineering formula and the input values provided. p_active is expressed in W. No universal acceptance threshold is defined by this calculator.
Worked Example
default_test
Given:
- pf = 0.85
- i_line = 20
- v_line = 400
Expected Result:
- p_active = 11777.945491468
Engineering Interpretation:
Under the given input conditions, the calculated result is: p_active = 11777.945491468 W.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
p_active = 1.73205080756888 * v_line * i_line * pfp_active.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| v_line | v_line | INPUT | v_line |
| i_line | i_line | INPUT | i_line |
| pf | pf | INPUT | pf |
| p_active | p_active | OUTPUT | p_active |
Calculation Steps
- Enter the v_line in V.
- Enter the i_line in A.
- Enter the pf in 1.
- Read the p_active (W) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Calculate active power in a balanced three-phase AC system estimates p_active based on the input parameters you provide
Why is v_line important in this calculation?
v_line is directly proportional to p_active. When you enter v_line in V, the calculator uses it in the engineering formula to compute the output
How should I interpret the result p_active?
The calculator outputs p_active in W. For larger power values, divide by 1000 to express the result in kW, or by 745.7 for horsepower. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: v_line (V), i_line (A). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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