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19/03/2010 14:10:07
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Alpha
Joined: 18/03/2010 17:39:24
Messages: 2
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Concerning electrical transmission systems, it is not possible to classify several objects as there are several categories missing:
* substation: for switchyard, in which voltage levels are changed
* switching station: a switchyard, in which just power distribution occurs
* cable terminal: transition point underground cable - overhead line
* rotary converter plant: facility in which electrical energy is formed by using rotating machines into an other form of electrical energy
* HVDC facility: terminal of a long distance HVDC powerline
* HVDC back-to-back station: a HVDC facility, in which the conversion of power into DC and back into AC occurs on same place
* PLC Repeater-Station: A switchyard, in which there is only equipment for amplifying PLC signals.
Examples for HVDC facilities are:
* Stromrichterstation HGÜ Kontek in Bentwisch
* Stromrichterstation HGÜ Baltic-Cable in Lübeck
* Mikhailkovkaya Static Inverter Plant
Example for HVDC back-to-back station is:
* GKK Etzenricht in Etzenricht ( station out of service)
Example for rotary converter plant
* Umspannwerk Neuhof ( station out of service)
* Bahnstromumformerwerk Karlsruhe
Please add the suggested categories for power transmission systems!
Add also categories for abandoned objects of all kind. It is a great pitty that it is not possible to classify an abandoned radio station, although there are several important objects of this type, as Konstantynow in Poland, where from 1974 to 1991 the tallest man-made object stood.
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21/03/2010 23:05:05
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marc
Joined: 08/12/2005 07:39:47
Messages: 4416
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Hi
I have added a new attribute to the edit form called 'public tags'. It allows to add arbitrary tags and share it with everybody. It is more flexible for this kind of situation where an entry may be assigned with more than just one tag and with finer granularity of differences. It would be an overkill to add new feature codes for all different kind of towers.
The new field is not yet exported in the dump, but this will follow in the next days.
I can also imagine, that we add some predefined set of tags and implement some consistency checks when adding a tag. This would help keeping some kind of consistency and still be more flexible than with just the featurecodes.
Best
Marc
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22/03/2010 11:52:05
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Alpha
Joined: 18/03/2010 17:39:24
Messages: 2
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Nevertheless, some further features for power transmission systems should be added. Why do we have "hydroelectric power plant", but not "substation", "HVDC Inverter" or "nuclear power plant"?
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