Harmonic Distortion (THD) Calculator

Fundamental Amplitude (V or A)

Harmonic Amplitudes

Harmonic Order	Amplitude (V or A)	Action

System Voltage Level

About the THD Calculator

This calculator evaluates Total Harmonic Distortion (THD) in electrical systems, compliant with IEEE 519. It calculates THD using THD = sqrt(sum(H_i^2)) / H_1 * 100, visualizes harmonic contributions, and checks compliance with IEEE 519 limits.