V?y nên nhà cái 123b ch? c?n có b?t k? hành ??ng gian l?n hay l?a ??o nào ??u s? b? tr?ng ph?t ho?c b? ng?ng ho?t ??ng ngay l?p t?c, ?? b?o v? quy?n l?i cho ng??i ch?i.Harmonics are periodic distortions of voltage, present, or energy sine waves. Harmonics in electrical power distribution devices will often be attributable to non-linear loads