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HARDWARE CIRCUIT DESIGN TO TURNOFF A RUNNING MOTOR AT ONCE IT ATTAINS A PARTICULAR SPEED

Question asked by k.vijayalakshmi in #Electronics on Feb 15, 2013
k.vijayalakshmi
k.vijayalakshmi · Feb 15, 2013
Rank D2 - MASTER
Hai friends,


I need a design for a circuit which will switch off the motor at once it attains a critical speed.I f any one have any such idea please help me. Posted in: #Electronics
Ramani Aswath
Ramani Aswath · Feb 15, 2013
Rank A1 - PRO
It is not clear if you want to switch off power and allow the motor to coast to a stop or if you want to stop the rotation quickly.
To switch off power just use a tacho generator and a settable cut off. For a fast stop you have to add a magnetic clutch and brake.
k.vijayalakshmi
k.vijayalakshmi · Feb 15, 2013
Rank D2 - MASTER
to switch off the power sir,when it reaches the critical speed and it has to start automatically when it come lower that critical speed speed.
Ramani Aswath
Ramani Aswath · Feb 15, 2013
Rank A1 - PRO
k.vijayalakshmi
to switch off the power sir,when it reaches the critical speed and it has to start automatically when it come lower that critical speed speed.
Then what you seem to want is just a speed regulating circuit to maintain a selected speed.
There are many speed control devices already on the market. Is this a course project or for any specific application?
Are you looking for something like this?
https://www.electronics-lab.com/blog/?p=680
k.vijayalakshmi
k.vijayalakshmi · Feb 15, 2013
Rank D2 - MASTER
Thank you sir,i required this information for my final year project and this been a valuable information for project sir ,thank you once again

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