Answer / chin2

we can add a resistance to the field winding to control the
speed of the motor

Answer / abhaynath

Using chopper circuit we can control the dc motor

Answer / vijayakrishna

somany methods are used
field control,armature resistence

field control method: we add a veriable resistence in
series with fielled winding to control the speed of the
motor.
armature control:we add a veriable resistence in series
with armature winding to control the speed of the motor.

Answer / chandan adhikary

Pulse width modulation is the best way of speed control of dc motor..

which type of material is used to transformer laminated core?

6 Answers  

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9 Answers   Coal India, HCL,

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1 Answers   L&T,

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6 Answers  

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5 Answers  

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why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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corona happens more in ac or dc?

5 Answers   MAHINDRA,

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10 Answers   Sodexo,

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0 Answers  

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How to test transformer

1 Answers  

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