Answer / k.prakashchandra

Winding size increases for gaps between conductors and for
round shape the height will be more. skin effect will be
more.

Answer / santosh kawade

For transformer winding structure flat conductors give good
physical strengths and it do not get loose due to vibration.

Also for wounding turn along the pole it can bend easily.

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate rotor frequency. A 50 Hz B 0 Hz C 4 Hz D 6 Hz

3 Answers  

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why generaters need four earthings

5 Answers   Sasken,

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Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ)

3 Answers   Equate,

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what is the potential difference between line and earth?

11 Answers  

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Which motor isused in indian railway system?

3 Answers  

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could you measure current in parallel?

0 Answers  

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what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

3 Answers  

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how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

1 Answers   L&T,

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What are eddy current and define rms value?

4 Answers   NTPC,

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3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

0 Answers  

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when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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what is interference

1 Answers   L&T,

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