cheap solidstate speed control circuit for dc motor control

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Thread Starter

chennai

what are the precautionary and extra components needed for the speed control circuit of dc motor of 1ow rating? if i use three phase semiconverter to get the dc from three phase 440v ac. what may be the practical circuit to be added to protect the circuit [e.g. snubber ckt, triggering ckt, filters etc.] is there any practical circuit available on the net?
 
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Hakan Ozevin

Varistor (or varistor+RC circuit) for sure. They are cheap and commercially available.

Anything extra (inductance, filter, etc..) will be optional.
 
I'm doing a project on simulation of train signals. Which type of dc motor can I use for my project to drive train wheels. Can you also give me the circuit to control the speed of the motor? Thank you in advance.Ntozamo. My email address is [email protected]
 
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