Physics, asked by joshisvt3922, 1 year ago

Why field rheostat kept in minimum position in dc shunt motor?

Answers

Answered by angelakshi01
3
hyy..


Field rheostat in minimum position during starting cause no Current flow through field coil and very large current flow through armature coil due loss of back emf at starting. ... For starting a DC shunt motor the field winding has to be connected to the source without any resistance or voltage regulation.

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Answered by Anonymous
2
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