what kind of motors are used in the winders of coal field?and what are the vari

what kind of motors are used in the winders of coal
field?and what are the various methods of it's speed control?

Question Posted / shyamkr

what kind of motors are used in the winders of coal field?and what are the various methods of it�..

Answer / shyamkr

its dc series motor.and various methods of it speed control
are :
1.armature resistance control
2.field control
3.armature voltage control

Is This Answer Correct ?

9 Yes

2 No

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