Harmonics are periodic distortions of voltage, present-day, or electrical power sine waves. Harmonics in energy distribution methods in many cases are because of non-linear loads like switched manner dc ability materials and adjustable velocity motor drives.Nh?n ??nh update theo th?i gian th?c Ngoài ra, nh?ng bài vi?t soi kèo s? ???c Hello?n th?