Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

7.4.4

390 views

Published on

Published in: Business, Technology
  • Be the first to comment

  • Be the first to like this

7.4.4

  1. 1. !
  2. 2. Determine the slip of a four-pole induction motor running at 1440 r/min when connected to a 50 Hz supply. ! Ns = 120 x 50 = 1500 r/min 4
  3. 3. Slip speed = synchronous speed – rotor speed Slip speed = 1500 – 1440 = 60 r/min
  4. 4. ! Percentage slip = 1500 – 1440 x 100 = 4 % 1500 Note: At standstill (when starting) the slip is 100% but IF the machine could reach synchronous speed the slip would be zero.

×