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Controlling the speed of 3 phase induction motor with at89s52

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cai2

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i want to control the speed of a three phase induction motor, also its start/stop, forward/reverse, will at89s52 con make it?...
 

IanP

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Re: at89s52

Start/Stop and Forward/Reverse can be controlled with almost any microcontroller with a few general purpose I/Os + zero-crossing opto-isolators + Triacs (or something like that) ..
Speed control (for example, zero-speed at full torque) is totally different kettle of fish and the 89S52 is just not the right choice for this job ..

Regards,
IanP
 

vijaya_narayana

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Re: at89s52

PWM can be used for controlling the speed of the motor and with the direction can be varied with a peripheral components
 

mkiani

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at89s52

if you use of power element like thyristor by it ,YES
 

Medtronic

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Re: at89s52

Ianp is so right,

Regards
 

cai2

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Re: at89s52

if any of the family of the 8051 microcontroller, will they can do the job,say 89c4051?
 

vijaya_narayana

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Re: at89s52

i think any family on 8051 micro controller can do the job but the coding for pwm might become complex when there is no PWM generator module built in
 

firmware

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at89s52

Try to find the part no. that provided the PWM function.
 

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