Re: [EE] Cyclic torque loads on AC motors?

Looks like a perfect exam question.

With a follow question of why and what could be done to make it workable.

So a flywheel is not viable.

Do you have pump and motor or is it hypothetical.


On Sun, 8 Dec. 2024, 06:16 Jason White, <[email protected]>
wrote:

> Suppose I have an AC motor directly cranking a piston pump+check valve air
> compressor without a flywheel or anything like that.
>
> For 180 degrees of shaft rotation, the motor experiences a load of 2
> Newton-meters while air is exhausted/compressed, and then for the other 180
> degrees when air is being taken in there is little to no load (almost 0
> Newton-meters of torque).
>
> The average torque of the cycle appears to be roughly 1 Newton-meter.
>
> Can an AC induction motor rated for 1 Newton-meter of torque at full load
> be used in this situation without wrecking it?
>
> --
> Jason White
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