What is the advantage/disadvantage for running a centrifugal pump (direct driven-AC motor, same KW/HP rating) at 1500 rpm or 3000 rpm (at a frequency of 50 Hz).Which motor rpm has to be selected and when, why? In other words, when should one use higher rpm and lower rpm for the same motor ratings?
Topic: When should you use a higher rpm and a lower rpm for the same motor ratings?2 January 2014 Last edited: 2 January 2014 At 2:54pm
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Ross Mackay Forum Moderator 95 Posts
Re: When should you use a higher rpm and a lower rpm for the same motor ratings?2 January 2014 at 11:20am
The speed is usually determined by the application and the budget, as the lower speed pump will be larger and therefore more expensive but not necessarily more efficient.