On Monday I will go on site myself and check things out. I beleive that if it is ass it seems the rotor is faulty, it may have an open circuit bar butI don't have means to check it.
Thanks.I will get to you with the results. Have a pleasant weekend.
Thanks for your replies. There is no nameplate on this motor. I am strictly reliying on my clients words. I have to go and check on site. Well the winding and motor are totaly clean, good fan and good ventilation.The problem is not with the ventilation as there is a difference between the...
I have a 25hp 415v delta 2pole motor driving a pump. It is connected to a 415v (as before) on same supply. When running off load it takes only 3.8 Amps per phase, balanced. On load it takes 25amps per phase,balanced, exactly as an adjacent similar pump and motor. Off load it can run for 1.5hrs...