Got Electricity…?

1. mike
   January 9th, 2007 at 11:49 pm

   That particular line is a 94 mile 500,000 volt line between Hoover Dam and the Lugo substation near L.A. An SF6 circuit breaker had failed, it was carrying the 33.3MVAR line reactor magnetising current for the test. ~100amps. The line carries ~2,000 amps under load.

2. al
   January 9th, 2007 at 11:51 pm

   whoa

3. Denita TwoDragons
   January 9th, 2007 at 11:54 pm

   Thanks for the info, Mike!

   –TwoDragons

4. Steve H.
   January 10th, 2007 at 8:56 am

   That was awesome!

5. JJ
   January 11th, 2007 at 12:10 am

   You can find more great pictures and videos of arcs here:

   http://205.243.100.155/frames/longarc.htm

6. Alex
   January 11th, 2007 at 1:29 am

   Looks like a jacob’s ladder on steroids!

7. scott johnson
   January 11th, 2007 at 4:43 pm

   I used to work in a steelmill. we used an electric arc furnace to melt scrap steel down to be recast into bar products. our furnace transformer was supplied with 34,500 volts which was stepped down to approximately 600 volts AC and would pull about 54,000 amperes at the beginning of the melt. you can hear the charecteristic 60 hertz hum of the arc, sounds just like the electric furnace at the end of a melt cycle.

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