Sau ?ó m?i l?a ch?n ra ??i bóng có ?u th? h?n ?? ??a ra d? ?oán c? th? chi ti?t v? k?t qu? tr?n ??u s?p t?i.Harmonics are periodic distortions of voltage, latest, or power sine waves. Harmonics in energy distribution systems are often because of non-linear loads including switched manner dc energy provides and adjustable speed motor drives.123B