Key:voltage:primary

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Public-images-osm logo.svg voltage:primary
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Description
Primary voltage Edit this description in the wiki page. Edit this description in the data item.
Group: Power
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Useful combination
Incompatible with
Wikidata
Status: approvedPage for proposal

The primary voltage (421-03-06) is the voltage at which a power transformer gets power from the supply source (upside network or generator).
Some configurations may be complex, see windings=* for more information.

For a step-up transformer involved in a power plant, the primary voltage is lower than the secondary voltage since the power outputs on the high voltage side.

Example transformator

Possible Tagging Mistakes

  • voltage-high=* ‒ For step-down transformer (consumption, industrial...)
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!
  • voltage-low=* ‒ For step-up transformers (power generation mainly)
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!