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General Vintage Technology Discussions For general discussions about vintage radio and other vintage electronics etc. |
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8th Jan 2014, 5:02 pm | #1 |
Dekatron
Join Date: Mar 2008
Location: St. Frajou, l'Isle en Dodon, Haute Garonne, France.(Previously: Ellesmere Port, Cheshire, UK.)
Posts: 3,177
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HV line monitor oddity?
Hi,
Not sure where to post this, so if it's misplaced, my apologies. This little gadget appeared a few weeks back on the post of the 20Kv line above our village. It seems to be a monitor of some sort, but it isn't connected to the overhead lines. It's solar powered and has an LCD display which is showing in turn: Rouge (red) 0001, Vert (green) 0000, then: 0000 before cycling round again (my translation). There are three 'buttons' which seem to need a magnet to operate them. The large round lens is, maybe, an indicator lamp which can be seen from a distance. There are a few of these hereabouts and I wonder how they work and are there similar things in other parts of the globe? Cheers, Pete.
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8th Jan 2014, 6:59 pm | #2 |
Rest in Peace
Join Date: Sep 2008
Location: Solihull, West Midlands, UK.
Posts: 4,872
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Re: HV line monitor oddity?
Wild guess: optical rangefinder to monitor post movement? The lens could have a photodiode behind it. What does it say on it? There appears to be a manufacturers name near the bottom.
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8th Jan 2014, 8:44 pm | #3 |
Rest in Peace
Join Date: Jun 2006
Location: Chard, South Somerset, UK.
Posts: 7,457
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Re: HV line monitor oddity?
And that manufacturer's name appears to be 'Schneider' - as in Schneider Electric S.A.
Al. |
8th Jan 2014, 8:50 pm | #4 |
Octode
Join Date: Apr 2009
Location: Aylesbury, Buckinghamshire, UK.
Posts: 1,522
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Re: HV line monitor oddity?
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9th Jan 2014, 12:22 am | #5 |
Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,526
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Re: HV line monitor oddity?
Fascinating stuff!
It monitors electric and magnetic fields to identify different fault conditions on the overhead lines. Looks like a Flite 332 or 335 depending on how far up the pole it sits.
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9th Jan 2014, 9:25 pm | #6 |
Dekatron
Join Date: Mar 2008
Location: St. Frajou, l'Isle en Dodon, Haute Garonne, France.(Previously: Ellesmere Port, Cheshire, UK.)
Posts: 3,177
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Re: HV line monitor oddity?
Hi,
Thanks for the info. It's an Easergy Flite 339 and is mounted about two and a bit metres above the ground. So, it detects the three fields from the three conductors with respect to earth? Does it report back to base in the event of a fault, or does it just flash the lamp? Cheers, Pete.
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"Hello?, Yes, I'm on the train, I might lose the signal soon as we're just going into a tunn..." |
10th Jan 2014, 3:42 pm | #7 |
Dekatron
Join Date: Apr 2012
Location: Worksop, Nottinghamshire, UK.
Posts: 5,549
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Re: HV line monitor oddity?
The web link says that it has a small radio transmitter.
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