AC Power Calculator
Calculate apparent, real, and reactive power in AC circuits.
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Inputs
AC Power Relationships:
S = V × I (Apparent Power in VA)
P = S × cos(φ) (Real Power in W)
Q = S × sin(φ) (Reactive Power in VAR)
Power Factor = cos(φ)
Input Type
Voltage & Current
Impedance
Voltage (V RMS)
Current (A RMS)
Phase Angle (degrees)
Positive for inductive, negative for capacitive
Resistance (Ω)
Reactance (Ω)
Positive for inductive (XL), negative for capacitive (XC)
Frequency (Hz)
Calculate
Results
Enter AC circuit parameters to calculate power characteristics.
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