Can you please settle a professional dispute! A subcontractor is supplying a hydraulic powerpack driven by 3 x 3 phase 50Hz induction motors. We tested them at 50Hz and recorded current readings, my arguement is that this will reduce at a higher frequency. I base this on the inductive reactance...
Hi,
We have installed a new star/delta starter panel for a 185KW motor which drives a compressor. Occasionally the main breaker trips on the transition from star to delta. We have experimented with the timer to try and achieve the optimum time to lessen the current and voltage effects on...
