Re: [CAD_CAM_EDM_DRO] 3-Phase motor running from Single Phase Supply ?

That variance in voltage is based on allowable tolerances due to load
conditions and other factors.
We had the same tolerances on the missile sites where I worked as the
powerhouse operator. The generators at these sites were the sole source of
electrical supply for the sites. Back then the "standards" were based on
460/230/115V. The voltage supplied to a particular device was determined by
which tap was used from the main transformers.

Kitchen stoves normally use 240 or 120 these days. 240 for the heating
elements and 120 for the controls (clocks, timers, etc.).

Smoke

>Kitchen stoves and most single-phase air-conditioning macines are 240 VAC
>single-phase. 110 V. is no longer "nominal" in the USA, but 120 V. is. It
>actually varies from 95 to 130, depending upon the season, phases of the
>moon, how far one is "from the pole", how tight (the installer was when he
>didn't tighten) the connectors, etc. I have a "line meter" in my office,
>here, and that varies from 108 to 125 VAC, depending upon the season and
>whether the AC is running, or at rest. It is nearly amusing to think about
>it!
>