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The formula to calculate Watts (W) from Volt-Amps (VA) and Power Factor (PF) is:
\[ P (\text{W}) = S (\text{VA}) \times PF \]
Where:
VA (volt-amps) is a unit of apparent power, representing the total power in an electrical circuit. Watts (W) is a unit of real power, representing the actual power consumed by the circuit. The conversion from VA to watts depends on the power factor of the circuit.
Let's assume the following values:
Using the formula:
\[ P = 1000 \times 0.8 \]
\[ P = 800 \text{ W} \]
The Real Power (W) is 800 W.
| Apparent Power (VA) | Power Factor (PF) | Real Power (W) |
|---|---|---|
| 100 | 0.8 | 80.000 |
| 200 | 0.8 | 160.000 |
| 300 | 0.8 | 240.000 |
| 400 | 0.8 | 320.000 |
| 500 | 0.8 | 400.000 |
| 600 | 0.8 | 480.000 |
| 700 | 0.8 | 560.000 |
| 800 | 0.8 | 640.000 |
| 900 | 0.8 | 720.000 |
| 1000 | 0.8 | 800.000 |