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Load/Torque Characteristics of BLDC

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TDKamalAru

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Dear All,
I have a doubt about the load charactersistics of BLDC. I have studied somewhere like, the torque generated in the motor will not change until the load torque exceeds the rated torque for that rated speed. And also i found somewhere about the right-angled triangular graph as the load/torque characteristics.Both the concepts are contradictory it seems. I am in a bit confusion about the load/torque characteristics of BLDC motor.

For BLDC motor control using microcontrollers, ther are two types of parameters we could be controlled ie., Speed and Torque. My application involves controlling both the speed as well as torque.

Clarifications on this would be highly appreciated...Or if you have any suggestions please let me know....
 

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