Re: [EE] Cyclic torque loads on AC motors?
Spehro Pefhany <[email protected]>
| Newsgroups | gmane.comp.hardware.microcontrollers.pic |
|---|---|
| Message-ID | <[email protected]> |
Not useful for direct drive, but perhaps you could use 1:1 non-circular timing pulleys or gears to even out the torque. Best regards, Spehro Pefhany > On Dec 8, 2024, at 12:02 PM, Justin Richards <[email protected]> wrote: > > i see you do have a motor and designing a pump. > >> On Sun, 8 Dec. 2024, 11:57 Justin Richards, <[email protected]> >> wrote: >> >> 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 >>> -- >>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >>> View/change your membership options at >>> https://mailman.mit.edu/mailman/listinfo/piclist >>> >> > -- -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at https://mailman.mit.edu/mailman/listinfo/piclist