Harmonics are periodic distortions of voltage, existing, or power sine waves. Harmonics in power distribution programs are often attributable to non-linear masses which include switched manner dc power provides and adjustable velocity 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