Tag:building=transformer_tower
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 building = transformer_tower
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| Description |
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A small but tall building constructed to comprise a transformer and connect to an overhead power line. 
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| Rendering in OSM Carto |
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| Group: buildings |
| Used on these elements |
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| Useful combination |
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| See also |
| Status: de facto |
| Tools for this tag |
The tag building=transformer_tower represents a tall building specially designed to connect to an overhead medium voltage power line (power=minor_line) and to house a small substation with a distribution transformer. Often, the power line has been dismantled and replaced by an underground cable. However, the building may still be in use as a substation.
How to map
Map the building and add the tag building=transformer_tower.
If the building is still in use as a substation then it should also get the following tags:
power=substationsubstation=minor_distributionvoltage=*(if the voltages are known, e.g.voltage=20000;400)frequency=*(if the frequency is known, e.g.frequency=50)
Other optional tags:
operator=*(the name of the power company)ref=*,name=*(any reference number or name the power company may use to refer to this substation)
If there are power lines coming to the tower, connect them to the outline as appropriate and tag the connecting nodes with power=terminal.
Example
See also
building=towertower:type=*tower:*=*- namespace overviewpower=substationTagging of substation properties and substation components like transformers.power=terminal