, anh em s? ???c tr?i nghi?m giao di?n Web-site ??p m?t, thi?t k? hi?n ??i và thân thi?n v?i tr?i nghi?m c?a ng??i dùng.Harmonics are periodic distortions of voltage, present, or energy sine waves. Harmonics in electrical power distribution systems in many cases are a result of non-linear hundreds like switched manner dc electricity provides and