... 11 kV input, direct 3, 3.3, 4.16, 6, 6.6, 10, 11 kV output, no output up-transformer ... phase-shifting transformer design. The user only connects input/ output power cables and control cables. Each VFD ... IP, DeviceNet, etc. Torque characteristics: VFD can output constant rated torque from 0 to 50/60 Hz ... of cascade-connected power cells keeps the good output waveform, which protect the motor and the ...