[OSM-talk-ie] Voltage warning

Tadeusz Cantwell t4dc4n at gmail.com
Tue Nov 3 22:24:08 UTC 2020


As luck would have the same warning appeared in this tile.
https://tasks.openstreetmap.ie/project/64?task=70

On Tue, 3 Nov 2020 at 12:47, Tadeusz Cantwell <t4dc4n at gmail.com> wrote:

> I don't know where it was as it was through building Ireland and they've
> been changing with the mapping month. If I come across another one I'll
> make a note of the place.
>
> On Tue, 3 Nov 2020 at 00:27, Donal Hunt <donal.hunt at gmail.com> wrote:
>
>> Thanks for the insight Colm.
>>
>> The only comment I'll make is that "low voltage" in electrical circles in
>> <
>> 1000V. High voltage is anything above 1000V. Trying to align with that may
>> be worthwhile (probably too late).
>>
>> On thing we can agree on is that there is a lot left to map!
>>
>> Donal
>>
>> On Mon 2 Nov 2020, 23:14 Colm Moore, <colmmoore72 at hotmail.com> wrote:
>>
>> > Hi,
>> >
>> > It is difficult to determine the exact voltage on each piece of the
>> > electricity network without going to inspect each individual device on
>> site
>> > (potentially difficult, unsafe, potentially illegal), although there are
>> > some visual clues in the overhead photos (size of substation, power
>> route,
>> > size & type of pole, etc.). There are hundreds of thousands of
>> transformers
>> > and twice as much power line as there is public roads.
>> >
>> > voltage=low, voltage:primary=low, voltage:secondary=low, etc. are
>> > placeholder values I created to help identify the voltages used on the
>> > power network.
>> >
>> >   1.  voltage=* can apply to any part of any electrical device.
>> >   2.  voltage:primary=* primarily applies to transformers and
>> substations
>> > and is the voltage for the side the power is coming from.
>> >   3.  voltage:secondary=* primarily applies to transformers and
>> > substations and is the voltage for the side the power is going to.
>> >   4.  There are also voltage:tertiary=* and voltage:quaternary=* for
>> > locations with multiple voltages.
>> >
>> > These are the values I have been using:
>> >
>> >   1.  High = I presume the voltage to be 110,000 volts or higher but
>> can't
>> > say which.
>> >   2.  Medium = I presume the voltage to be 38,000 volts but can't say
>> for
>> > definite.
>> >   3.  Low = I presume the voltage to be 20,000 volts or lower but can't
>> > say which.
>> >
>> > The network operators and voltages used across Ireland are below.
>> >
>> > Could I ask where the error is showing? The usual debugging sites
>> normally
>> > associate errors with the most recent contributor - usually me.
>> >
>> > Colm
>> >
>> > ---------------------
>> >
>> > EirGrid (Republic of Ireland and Ireland-Britain)
>> > 400000 - high
>> > 220000 - high
>> > 110000 - high
>> >
>> > ESB Networks (Republic of Ireland)
>> > 38000 - medium
>> > 20000 - low
>> > 10000 - low
>> > 400 (often referred to as 380-415) - low
>> > 230 (often referred to as 220-240) - low
>> >
>> > NIE Networks (Northern Ireland)
>> > 400000 - high
>> > 275000 - high
>> > 110000 - high
>> > 33000 - medium
>> > 19000 - low
>> > 11000 - low
>> > 6600 - low
>> > 400 (often referred to as 380-415) - low
>> > 230 (often referred to as 220-240) - low
>> >
>> > Mutual Energy (Northern Ireland-Britain)
>> > 250000
>> >
>> > Irish Rail
>> > 1500
>> >
>> > Luas
>> > 750
>> >
>> > Other Operators
>> > 600000
>> > 33000
>> > 20000
>> > 19000
>> > 10000
>> > Various
>> >
>> >
>> >
>> ---------------------------------------------------------------------------------------------------------------
>> > Never doubt that a small group of thoughtful, committed citizens can
>> > change the world. Indeed, it is the only thing that ever has. Margaret
>> Mead
>> >
>> >
>> > _______________________________________________
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>> > Talk-ie at openstreetmap.org
>> > https://lists.openstreetmap.org/listinfo/talk-ie
>> >
>> >
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>


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