In a 3 phase induction motor(without connecting supply) if we rotate its rotor

In a 3 phase induction motor(without connecting supply) if we
rotate its rotor by hand and check resistance of stator
winding at motor terminal box its resistance varies why ??

Question Posted / mayank1224@gmail.com

3 Answers
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In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check r..

Answer / k.prakashchandra

Probably due to the voltage induced by residual magnetism of
the rotor

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10 Yes

5 No

In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check r..

Answer / pasuvaraj.k@gmail.com

Sure the resistance wont varies in induction motors

Is This Answer Correct ?

1 Yes

2 No

In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check r..

Answer / shireesha.h

Hear the rotor is rotating with some speed so the rotor will
generate voltage and the resistance is varieng

Is This Answer Correct ?

0 Yes

2 No

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