need to make a report. Need to choose a 3phase induction motor. Load conditions

need to make a report. Need to choose a 3phase induction
motor. Load conditions motor will operate in :
Maximum Load: 30 Kw
Speed: 2950 rpm
Ambient temp: 20 cent
Supply voltage: 440V
Frequency: 50Hz

need to look for the safety factor when choosing the motor,
went through catalouge found a few, but dont know how to
choose the safety factor allowing an extra load something
above 30 KW to avoid any harm.

Question Posted / ghani

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