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BLDC motor ESC circuit using Arduino

Thread starter #1
hi,
I am doing a project using ESC circuit that is run using arduino uno. I am using this circuit to run a small 12v air compressor, the expected flow rate to be obtained is 11 litres/min,but i am able to obtain only 7.5 l/m at the maximum speed of the compressor. So should i increase the supply voltage to the compressor to increase its speed or the speed of the compressor can be increased by the arduino code itself?
the link form where i have referred this circuit and code is given below,please have look at it and help me if should make changes in code to increase the speed?if yes then please help me with the changes in code too.

https://simple-circuit.com/arduino-sensorless-bldc-motor-controller-esc/
 

shortbus=

Well-Known Member
#2
Lets see now, your motor is running full speed but you don't get enough air from the compressor. So automatically it's the motors fault? Where I would look first is , is the compressor big enough to supply that amount of air? Compressors are normally ran at as low a speed as possible. This is done to make them last, not wear out. Do some calculations on your compressors displacement before blaming the motor.
 

gophert

Well-Known Member
Most Helpful Member
#3
hi,
I am doing a project using ESC circuit that is run using arduino uno. I am using this circuit to run a small 12v air compressor, the expected flow rate to be obtained is 11 litres/min,but i am able to obtain only 7.5 l/m at the maximum speed of the compressor. So should i increase the supply voltage to the compressor to increase its speed or the speed of the compressor can be increased by the arduino code itself?
the link form where i have referred this circuit and code is given below,please have look at it and help me if should make changes in code to increase the speed?if yes then please help me with the changes in code too.

https://simple-circuit.com/arduino-sensorless-bldc-motor-controller-esc/

I thought you said you were at maximum compressor speed - it is safe to go beyond maximum (i.e. is Turing it up to 11 reasonable)?
 

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