why some time Railway Fan not Rotate,But after a small
rotation by human then it rotate normally? Why?
Answers were Sorted based on User's Feedback
Answer / s c budhiraja
because starting torque requirement of fan is more than the
motor can supply.when we push the fan by hand the torque
requirement for running the fan is supplied by the fan
|Is This Answer Correct ?||6 Yes||0 No|
Answer / jay krishna
It is occurred by magnetic locking
|Is This Answer Correct ?||0 Yes||0 No|
Answer / tomboi
Is because of the accumulated dirt inside the fan shaft.
Clean it and apply some oil lubricant on the shafts an it
would rotate again as normally as how it was before when it
|Is This Answer Correct ?||2 Yes||7 No|
Answer / mohit midha
Coz Railway fan runs through Dc
So There is no capacitor in that so that if there is any
jam by some mean then we can can rotate slightly manual.
|Is This Answer Correct ?||1 Yes||12 No|
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