what are the duties of commutator in motor and generator?

Answer Posted / mahesh

Incase of motor commutator is working principle of
electrical energy convert to meachnical energy.& case of
Generator working as a meachnical energy convert to
electrical energy.

Is This Answer Correct ?    2 Yes 17 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

1624


Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

588


What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

5825


how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

1875


What is instrumental error?

685






how can motor both beasrings insulation resistance can be check?

1546


pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

1555


hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

1474


Define phase lag and phase lead?

640


Draw torque - speed curve and load curve of induction motor? mark operating point ?

1519


When will you multiply and devide with derating factors to the actual value while sizing the cable?

1487


how does high earth to neutral voltage affects electronic circuit?

1281


How earthing/grounding done in aeroplanes and ships.

3119


if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

998


what is the responsibility of C license holder in industry?

8537