Python/electronics/apparent_power.py
Rohan Anand 93ce8cb75d
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Python

import cmath
import math
def apparent_power(
voltage: float, current: float, voltage_angle: float, current_angle: float
) -> complex:
"""
Calculate the apparent power in a single-phase AC circuit.
Reference: https://en.wikipedia.org/wiki/AC_power#Apparent_power
>>> apparent_power(100, 5, 0, 0)
(500+0j)
>>> apparent_power(100, 5, 90, 0)
(3.061616997868383e-14+500j)
>>> apparent_power(100, 5, -45, -60)
(-129.40952255126027-482.9629131445341j)
>>> apparent_power(200, 10, -30, -90)
(-999.9999999999998-1732.0508075688776j)
"""
# Convert angles from degrees to radians
voltage_angle_rad = math.radians(voltage_angle)
current_angle_rad = math.radians(current_angle)
# Convert voltage and current to rectangular form
voltage_rect = cmath.rect(voltage, voltage_angle_rad)
current_rect = cmath.rect(current, current_angle_rad)
# Calculate apparent power
return voltage_rect * current_rect
if __name__ == "__main__":
import doctest
doctest.testmod()