[OSM-talk-ie] Voltage warning

Tadeusz Cantwell t4dc4n at gmail.com
Tue Nov 3 12:47:34 UTC 2020


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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> >
> >
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