[Tagging] Substation proposal approved - and a suggestion for a post-vote change

Ole Nielsen on-osm at xs4all.nl
Sun Nov 17 22:17:12 UTC 2013

I have now introduced a specific attribute for small substations: 
substation=minor_distribution. It is exclusively to be used on the 'last 
level' of transformation to low voltage line voltage (400 volt in 
Europe). This should address the desire to have an unambiguous way of 
tagging small kiosk-type etc substations. At the same time the 
recommendation to map such small substations as power=transformer has 
been removed from the feature page (except for pole-mounted transformers).


On 12/10/2013 13:08, Martin Koppenhoefer wrote:
> 2013/10/12 Ole Nielsen / osm <on-osm at xs4all.nl <mailto:on-osm at xs4all.nl>>
>     I propose to change the meaning of "substation=distribution" to be used
>     only on substations at the last level of voltage transforming, thus the
>     small street-level transformer kiosks etc supplied with medium voltage
>     (typically 10-30 kV) and delivering low voltage power to households and
>     small businesses.
> IMHO the IEC are right with defining everything below 100kV as
> distribution, I wouldn't use this given term with a different meaning.
> Maybe you could add another term like local_distribution for the last
> level (Trafohäuschen), if you don't have confidence in the mappers
> tagging voltage levels. According to wikipedia:de there seem to be 4
> agreed levels of power transport and distribution in Germany:
> * 220kV/400kV (national transport, also DC)
> * 110kV (regional transport)
> * 30-60kV (regional distribution)
> * 6-20kV (local distribution)
> http://de.wikipedia.org/wiki/Umspannwerk
> cheers,
> Martin

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