Nh?ng các huy?n tho?i golf l?i ch? ra r?ng, h? có th? t?o nên m?t cú swing v?a ??p v?a Hello?u qu?.Harmonics are periodic distortions of voltage, recent, or ability sine waves. Harmonics in energy distribution units are often brought on by non-linear loads for example switched manner dc electricity provides and adjustable velocity motor drives.