Harmonics are periodic distortions of voltage, present, or power sine waves. Harmonics in electric power distribution techniques are often due to non-linear masses for instance switched manner dc energy provides and adjustable speed motor drives... Trong quá trình nh?n ??nh, các chuyên gia c?a chúng tôi s? so sánh t??ng quan s?c m?nh c?a 2 ?