[Tagging] power lines/cables power

François Lacombe fl.infosreseaux at gmail.com
Sun Nov 15 18:17:07 UTC 2020

```Hi André,

That's an interesting question.
Power transformers can have rating=* to state how many power they can
transmit.
I see no problem to add it to a power relation like the one involving the
line you mention
https://www.openstreetmap.org/relation/8193755#map=11/50.7528/6.0606

Can you explain the difference between your value (7.5 GW) and the value

Difference between rating on a power=line/cable and rating on a power
relation is a follow:
- On a line/cable, it's the maximum capacity the line/cable is designed for
- On a relation, it's the rating the whole link is operating at

Power circuits relations :
https://wiki.openstreetmap.org/wiki/Proposed_features/Power_routing_proposal

All the best

François

Le dim. 15 nov. 2020 à 16:45, André Pirard <a.pirard.papou at gmail.com> a
écrit :

> Hi,
>
> A group of friends were discussing the first electricity power link
> between Germany and Belgium.
> And I was kinda proud to show them this
> where the only line across the border
> <http://www.openstreetmap.org/way/578137663> clearly shows.
> Well done, guys (and gals?)!
>
> Way 578137663 <http://www.openstreetmap.org/way/578137663> Tags 7
>
>    - cables=1
>    - circuits=1
>    - frequency=0
>    - location=underground
>    - name=Alegro Interconnector
>    - power=cable
>    - voltage=320000
>
> Their concern was interstate power transfers and a maximum of 7,5 GW was
> mentioned (more than the 6 GW Belgian deprecated nuclear capacity,
> effectively running at 4,5 GW).
> So then I was surprised that a power cable or line does not indicate that
> power.
> I looked trough the wiki and all I found as power was an unsuitable
> generator:rating:...
> So, as power:power=* seems weird, I added *power:maximum=7.5 GW*,
> allowing for power:mean=* or he like.
> As I don't want to get into propositions, I let specialists discuss that.
> Let me know if and how I should change that tag.
>
> Envoyé de mon immobile Thunderbird, et *sans virus* non plus grâce à
> seulement Ubuntu,
>
> All the best,
>
> André.
>
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