Why is short pitch winding preferred over full-pitch winding?


  • Waveform of the emf can be approximately made to a sine wave and distorting harmonics can be reduced or totally eliminated.
  • Conductor material , copper , is saved in the back and front end connections due to less coil-span.
  • Fractional slot winding with fractional number of slots/phase can be used which in turn reduces the tooth ripples.
  • Mechanical strength of the coil is increased.