DC motor control
how to control both the speed and torque of a permanent magnet dc motor?
Replies
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Ramani AswathYou can control speed. Torque depends on the load. Of course, for a given motor there is a maximum torque, which is related to the flux and the armature current.
This tutorial may help:
#-Link-Snipped-# -
Rishabh1234i am using the motors for automotive application. Then i also have to control torque for maximum efficiency and better acceleration. How can this be done
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Ramani AswathSubject to the maximum torque possible for the particular motor control the armature current.
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Rishabh1234thats what some controllers do.They either control speed by controlling voltage or control torque by controlling armature current. But how can i control both at the same time so that power can be maximized
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Ramani AswathAre we not missing something here? Each motor has a maximum power output that cannot be exceeded.
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Rishabh1234yeah but what if its operating at a lower power for a given speed
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Ramani AswathIf the speed is maintained, the current will match the torque produced.
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