Additionally, is it safe to feed a 50-60Hz device, like my phone charger, 400Hz/120VAC?
In: Technology
The 400Hz outlet is oscillating a lot faster between the min and max voltage. Whether this makes an operational difference depends a lot on what device you’re plugging in.
Stuff that is pegged to the frequency, like an AC motor or clock, will *not* work properly on 400Hz. Don’t do it.
Stuff that works on DC doesn’t inherently care but the filtering circuitry converting from AC to DC may or may not care depending on how robust it is, how it was built, and whether it was designed to handle 400 Hz or not. Generally, don’t assume it will work. The voltage *transients* in 400Hz are much higher, which can totally screw up some components.
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