Harmonics are periodic distortions of voltage, latest, or ability sine waves. Harmonics in electrical power distribution methods will often be caused by non-linear masses for example switched manner dc energy supplies and adjustable speed motor drives.Tin t?c 24h Podcast Tu?n Vi?t Nam ??ng nh?p Chính tr? S? ki?n Xây d?ng ??ng ??i ngo?i Bàn lu?n