Why does Table Fan rotates Clockwise while Ceiling Fan rotates anti-clockwise? Any technical reason?

Nitin Banegaon

• Oct 29th, 2015

Normally, any motors rotates in anticlockwise direction as seen from non driving end. So in ceiling fan blades are attached to non driving end. So it seems to rotate in anticlockwise. While in table f...

shaik abrar

 Profile Answers by shaik abrar Questions by shaik abrar

• Jan 17th, 2010

When we provide supply to the stator of ceiling fan emf is generated. The set up of rotor and stator in ceiling fan is such that due to flux emf generated is in clockwise direction. As ...

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Full load SLip of a 400vstar connected 50 hz 3ph IM is 3.5 and with locked rotor full load current is circulated if 92v is applied between lines find the necessary tapping on the autotransformer so as to limit short circuit current to twice the full load current.

How harmonics are produced in m/c what is its physical significance?

naveen.rangu

 Profile Answers by naveen.rangu Questions by naveen.rangu

• Nov 28th, 2008

Harmonics are produced in machines due to non uniform distribution of flux produced by field winding in the air gap. This leads to trapezoidal wave form instead of sinusoidal wave contains multiple of  fundamental frequncy called harmonics after analysed by fourier series.

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