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Karan Singh
22 May 2019 10:45 AM study24x7 study24x7

 Which speed control method is employed in PMDC?

A

Field control method

B

Armature control method

C

Armature Field control method

D

Cannot be determined

Railways IIT-JEE Sciences
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  • geet sharma
    • Unlike in DC motors, field is provided by permanent magnets in PMDC. This implies that field provided in PMDC motor is permanent and can’t be altered unless whole construction is modified. Thus, armature voltage control method is employed here.

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    Reply 22 May 2019 11:21 AM
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