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If the solenoid draws 2.8 amps steady state from your 9v supply, you can only get 8.46 amps through the solenoid by feeding it more than 9v. Assuming that you were using a power supply with adequate current capability so that it's voltage did not droop during your test, you will not be able to...
On a little more intuitive level, inductive reactance occurs as a change in current in the winding on a ferromagnetic core causes a change in the number of magnetic domains in the core that are aligned with the lines of magnetic flux caused by the winding. For a given core material and winding...
No expert on SMPS design here, but I suspect you may be limiting yourself by selecting too high an inductance.
Note the comment under "Operation," in the data sheet. "...the switch is turned "on" at the start of each oscillator cycle. It is turned "off" when switch current reaches a...
While I agree in general with the cautionary comments above, SOME line powered induction motors can be controlled by a thyristor-type speed controller, as indicated by the common ceiling fan speed controller. However, this only works with purpose-designed motors in specific applications...
Torque Test
Torque of what? A tiny model motor, a shop tool motor, an automobile engine? Please explain what you are trying to do.
As a general principle you would mount the torque generating device in a manner that will allow it to rotate freely (albeit at a small angle), balance it so that...
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