M? th?y ng??i ch?t nh?ng ch?a ch?t là ?i?m gì? Gi?i mã gi?c m? th?y ng??i ch?t nh?ng ch?a ch?t và nh?ng con s? may possibly m?nHarmonics are periodic distortions of voltage, present, or ability sine waves. Harmonics in energy distribution techniques are sometimes because of non-linear hundreds including switched method dc ability supplies and a