Ng??i ch?i c?ng có th? ??t c??c tr?c tuy?n trên h? th?ng c?a chúng tôi v?i danh sách nh?ng nhà cái major ??u t?i Vi?t Nam hi?n nay.Harmonics are periodic distortions of voltage, current, or electrical power sine waves. Harmonics in electric power distribution techniques are often due to non-linear loads including switched method dc power pro