Harmonics are periodic distortions of voltage, latest, or electricity sine waves. Harmonics in power distribution systems are often due to non-linear loads for instance switched mode dc energy materials and adjustable speed motor drives.T.Huy XSMB: Gi?i ??c bi?t k?t qu? x? s? Mi?n B?c ???c bao nhiêu v?y m?i ng??i ?i!Part 17. The department shall k