How total number of brushes in a commutator are determined in a given DC machine? - Study24x7
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Karan Singh
20 May 2019 11:22 AM study24x7 study24x7

 How total number of brushes in a commutator are determined in a given DC machine?

A

Speed of armature

B

Type of winding

C

Voltage

D

Amount of current to be collected

Railways IIT-JEE Sciences
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  • geet sharma
    •  Brushes are in contact with rotating part and stationary part. Thus, if more amount of current is to be carried, it requires more number of brushes. Hence brush number depends directly on the amount of current that needs to be collected and fed up in or out.

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    Reply 20 May 2019 11:44 AM
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