Hi Colin, Le sam. 8 juin 2019 à 18:53, Colin Smale <colin.sm...@xs4all.nl> a écrit :
> If we want to describe the overall transfer function of the whole > "building", then we need to describe the input and output characteristics, > and some aspects of the path from input to output. Just stating a couple of > voltages doesn't do justice to the potential complexity of the overall > function of the "building". > That's right and it can be completed with : windings=*, phases=*, rating=* and frequency=* Some of them can be extended with primary, secondary, tertiary and so on according to interfaces https://wiki.openstreetmap.org/wiki/Tag:power%3Dtransformer As it's pretty complex tagging, I'd be in favour to not mix that with building/area properties All the best François
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