Harmonic Currents

Harmonic: A sinusoidal waveform with a frequency that is an integral multiple of the fundamental 60 Hz frequency. 60 Hz fundamental. 120 Hz 2nd harmonic. 180 Hz 3rd harmonic. 240 Hz 4th harmonic, etc. Triplen Harmonics: Odd multiple of the 3rd harmonic (3rd, 9th, 15th, 21st, etc.) ................
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