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electronics/real_and_reactive_power.py
49 строк
1 KB
Rohan Anand
Create real_and_reactive_power.py (#8665)
18 апр 2023, 01:17
Не верифицирован
18 апр 2023, 01:17
2b051a2
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import math def real_power(apparent_power: float, power_factor: float) -> float: """ Calculate real power from apparent power and power factor. Examples: >>> real_power(100, 0.9) 90.0 >>> real_power(0, 0.8) 0.0 >>> real_power(100, -0.9) -90.0 """ if ( not isinstance(power_factor, (int, float)) or power_factor < -1 or power_factor > 1 ): raise ValueError("power_factor must be a valid float value between -1 and 1.") return apparent_power * power_factor def reactive_power(apparent_power: float, power_factor: float) -> float: """ Calculate reactive power from apparent power and power factor. Examples: >>> reactive_power(100, 0.9) 43.58898943540673 >>> reactive_power(0, 0.8) 0.0 >>> reactive_power(100, -0.9) 43.58898943540673 """ if ( not isinstance(power_factor, (int, float)) or power_factor < -1 or power_factor > 1 ): raise ValueError("power_factor must be a valid float value between -1 and 1.") return apparent_power * math.sqrt(1 - power_factor**2) if __name__ == "__main__": import doctest doctest.testmod()