[Tagging] Charging stations: socket:<type>:output -- which format for the value?

[dktue]

I'd vote for kW aswell (and a value of "22" then), since we're not 
always using SI and not always base-unit-values (see kilometers per hour).

Am 29.07.2019 um 12:53 schrieb Martin Koppenhoefer:
>
>
> Am Mo., 29. Juli 2019 um 12:39 Uhr schrieb dktue <email at daniel-korn.de 
> <mailto:email at daniel-korn.de>>:
>
>     Hello,
>
>     the OSM-Wiki-page on charging stations [1] defines the tag
>     socket:<type>:output=watt
>
>     wheres the examples contain values like "22 kW".
>
>     What would the preferred format be? "22000" or "22 kW"? I would
>     like to
>     clearify this on the wiki-page.
>
>     Personally I would prefer "22000" as it fits with other OSM-values
>     (no
>     units).
>
>
>
> generally people are encouraged to add units for disambiguation 
> reasons and to use locally used units and preferably SI units.
>
> For power, no default units are currently specified on this page:
> https://wiki.openstreetmap.org/wiki/Map_Features/Units
>
> And it doesn't even mention horsepower for power, a unit that for many 
> people may be more evocative than Watt (everybody can imagine 30 
> horses, but how much are 22 kW?) ;-)
>
> Personally, if we were to set up a default for power units, I would 
> prefer kW, because if we'd use Watt we will get very high numbers for 
> MW (e.g. needed for power generators). Presuming, we would have the 
> same standard unit for all things power, and not different defaults 
> for socket and say power stations.
>
> Cheers,
> Martin
>
>
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