Motor rpm vs Torque

[suresh448online]

The motor is running at 926 rpm with torque at 6676Nm. What is the torque required if the rpm is increased to 970 rpm?

 

[RedSnake]

The torque is decided by the load attached to the motor so it depends on what that load consists off.
Hydraulic motor, fan, conveyer and so on some have a consistent load at set speed some don't.

 

[waross]

What is the torque required if the rpm is increased to 970 rpm?

That depends on the load.

 

[Gr8blu]

A "continuous torque" application means that torque does not appreciably change with speed. In this case, speeding up to 970 rpm will not require more torque from the driving machine ... so it is still roughly 6676 Nm. What it DOES mean is that the driving machine power will increase linearly with speed (New HP / 970 = Old HP / 926).

A "variable torque" application means that there is a nonlinear relationship between power and speed. In this case, it really depends on what is being driven. Typical relationships are HP/RPM^2 and HP^2/RPM^3 ... but there are others.

 

[zlatkodo]

It would be good to know more information.
Is the question purely theoretical, or does it concern a specific motor?
How will you increase the motor's speed? By using a VFD or some motor efficiency improvement?
And most importantly, is it a constant torque, variable torque, or constant power application?
Motor Repair and Winding Design
By the way, I saw some nonsensical illustrations related to the topic on this forum.
It's obvious they are AI-generated nonsense.
More attention should be paid to the selection of illustrations, and let them be human-made contributions to start with.