CE,ISO9000-TUV, Special for ball mill, Dust-proof casing design, MOQ: 1 PCS, EM318A Ball Mill Inverter 3-phase 380V, 90-250kW ... AC choke for the inverter starting from 90kW, can effectively restrict the impact of stroke current caused by mutation or over ... of inter-phase voltage. Soft-starting, substituting for self-coupling reduced-voltage starting or star-delta starting mode, has no impact on ...