... currentSee Section 2.3 in user manualFrequency50Hz/60Hz, acceptable fluctuation range +/-5%Allowed voltage rangeContinuous voltage fluctuation +/-10%, short fluctuation ... PG 2Close-loop vector control with PG (including position control)Range of speed regulation1:100 ( V/f control, sensor-less ... , compressor, crusher, pump, fan, etc. close loop vector control AC motor drive for lift elevator escalator