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If someone stole all the copper grounds and termination from these old poles then you will have some problems, fires from no ground fault conductors, melting power conductors, due to overloading etc. All will result with a fire of some kind.
Ground wires Overhead power lines are often equipped with a ground conductor (shield wire or overhead earth wire). A ground conductor is a conductor that is usually grounded (earthed) at the top of the supporting structure to minimize the likelihood of direct lightning strikes to the phase conductors. The ground wire is also a parallel path with the earth for fault currents in earthed neutral circuits. Very high-voltage transmission lines may have two ground conductors. These are either at the outermost ends of the highest cross beam, at two V-shaped mast points, or at a separate cross arm. Older lines may use surge arrestors every few spans in place of a shield wire; this configuration is typically found in the more rural areas of the United States. By protecting the line from lightning, the design of apparatus in substations is simplified due to lower stress on insulation.
Originally posted by Romanian
Solar activity is below average, so we can exclude it.
Originally posted by ManBehindTheMask
reply to post by milominderbinder
Likewise, to cause a short and/or surge THAT powerful would take an ENORMOUS amount of electricity. Remember...the wood is SUPPOSED to be DAMP already due to all that "low lying fog"...so it shouldn't be very flammable...RIGHT?
Unless the poles are coated in creosote which many are, especially if they are older, that stuff is very flammable.......I use to work on power lines.......
I can tell you that depending on where they are located and situated, if something happened at a power station and the failsafes didnt kick in it could cause a surge in a string and burn down poles for miles......
also if there is enough dirt around insulators etc, a fog could cause it to track due to the moisture and set the poles on fire
Ill have to research more , i do find it interesting that it seems to have happend in multiple locationsedit on 7-12-2012 by ManBehindTheMask because: (no reason given)
Originally posted by trinityalways
Awwww NO................... solar activity has been on the RISE... as well as earthquakes (2.8 eastern Texas 9 hrs ago)
Originally posted by kdog1982
reply to post by SJE98
A Ha!
If someone stole all the copper grounds and termination from these old poles then you will have some problems, fires from no ground fault conductors, melting power conductors, due to overloading etc. All will result with a fire of some kind.
Ground wires Overhead power lines are often equipped with a ground conductor (shield wire or overhead earth wire). A ground conductor is a conductor that is usually grounded (earthed) at the top of the supporting structure to minimize the likelihood of direct lightning strikes to the phase conductors. The ground wire is also a parallel path with the earth for fault currents in earthed neutral circuits. Very high-voltage transmission lines may have two ground conductors. These are either at the outermost ends of the highest cross beam, at two V-shaped mast points, or at a separate cross arm. Older lines may use surge arrestors every few spans in place of a shield wire; this configuration is typically found in the more rural areas of the United States. By protecting the line from lightning, the design of apparatus in substations is simplified due to lower stress on insulation.
en.wikipedia.org...
Just a possibility.
Originally posted by SJE98
New Mexico state police caught a person removing the copper runs going down some old poles. ( 35 poles) His pick up truck was loaded with old copper ground lines.
Originally posted by Rezlooper
If it were this simple then why didn't just come out and say this rather than telling us it was fog and dust?
Originally posted by Rezlooper
If it were this simple then why didn't just come out and say this rather than telling us it was fog and dust?
Originally posted by drdocumentary
reply to post by new_here
My dad is a nuclear engineer, only Texas in the US and Quebec in Canada have closed separate grids, partially due to protectionism and the fact that they're expecting both to break from the countries they are apart of!
Originally posted by SJE98
I'm kind of stumped on this,Unless there is copper thrives involved. I can't be sure but these poles look like kind of old ,and most likely up to 25 thousands volts only.
Some of these old grid poles have copper conductors going down them for a ground, also the copper is used to terminate the netrual phase on the grid , every so many poles, miles etc. I'm. Not sure how the Texas grid is set up.
If someone stole all the copper grounds and termination from these old poles then you will have some problems, fires from no ground fault conductors, melting power conductors, due to overloading etc. All will result with a fire of some kind.
New Mexico state police caught a person removing the copper runs going down some old poles. ( 35 poles) His pick up truck was loaded with old copper ground lines. PNM shut down that small grind. They were old poles that used copper for the ground and terminations. One day someone is going to cut one at the same time the copper ground is energized. Poof! Copper was used on older poles to send the current from the neutral phase to the ground during a storm. Other than it provides a balance in current and still is energized, because older homes are not really balanced at there power panel and left over current goes neutral. Sort of speak.
The new terminations are aluminum, but many of the old wood poles still use copper to ground and terminate. Aluminum poles are better and cheaper, the pole acts as the termination if you need it.
Static and dust, the conditions have to be just right to get combustion. It's happened before, more in coastal cities though. But middle Texas?
copper theft utility polesedit on 7-12-2012 by SJE98 because: (no reason given)edit on 7-12-2012 by SJE98 because: (no reason given)edit on 7-12-2012 by SJE98 because: (no reason given)edit on 7-12-2012 by SJE98 because: (no reason given)