... )See Section 2.3 in user manualOutput voltage (V)3-phase: 0~ rated input voltage, error < +/-3%Output frequency (Hz) ... % (sensor-less vector control without PG 1 & 2)+/-0.02% (close-loop vector control with PG)Speed fluctuation +/-0.3 ... crane, machine tool, conveyor, compressor, drilling machine, carding machine, roving machine, compressor, crusher, pump, fan, etc. AC motor drives with large torque and ...