Saturday, August 21, 2010

How to design a induction motor on-off control using op-amps as major functioning block.?

we live in 1st floor so regularly we forget to turn of pump set, now we r trying to design a circuit which turn of motor after certain time based on temperature of motor. is there circuit which solves my problem...How to design a induction motor on-off control using op-amps as major functioning block.?
You will eventually decide that a motor control relay is required. So any circuitry that you design will control this relay. If the pump is performing a function like filling a tank then a float switch would be the best to control the relay.

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