Chính b?n thân two c?u th? này c?ng ?ang r?t c?n m?t "?i?m n?" ?? tr? l?i.Harmonics are periodic distortions of voltage, latest, or ability sine waves. Harmonics in power distribution programs tend to be attributable to non-linear masses such as switched manner dc electricity materials and adjustable pace motor drives.Ti?n v? MU Scott McTominay