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Forums
4hv.org :: Forums :: High Voltage
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now thats what i call a arc!

1 2 
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Thomas W
Sun Nov 20 2011, 01:19AM Print
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
Hi,

have look at this:
Link2

largest homemade arc ever seen?

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Antonio
Sun Nov 20 2011, 01:50AM
Antonio Registered Member #834 Joined: Tue Jun 12 2007, 10:57PM
Location: Brazil
Posts: 644
I just see metal burning and a big waste of energy. But it would be interesting to see a three-phases jacob´s ladder.
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Platinum
Sun Nov 20 2011, 02:31AM
Platinum Registered Member #3926 Joined: Fri Jun 03 2011, 08:32PM
Location: UK.
Posts: 525
What's 3 phase?
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Inducktion
Sun Nov 20 2011, 02:47AM
Inducktion Registered Member #3637 Joined: Fri Jan 21 2011, 11:07PM
Location: Buffalo, NY
Posts: 1068
3 phase is a type of AC current.

Just three sine waves, all out of phase by a certain degree. 1/3 phase of each.
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Dr. Dark Current
Sun Nov 20 2011, 09:21AM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
For a 3 phase JL see Link2
Bigger homemade arc: Link2
My Jacobs ladder, 1 meter arcs: Link2
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Platinum
Sun Nov 20 2011, 11:57AM
Platinum Registered Member #3926 Joined: Fri Jun 03 2011, 08:32PM
Location: UK.
Posts: 525
So 3 phase has 3 outputs?
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doctor electrons
Sun Nov 20 2011, 01:17PM
doctor electrons Registered Member #2390 Joined: Sat Sept 26 2009, 02:04PM
Location: Milwaukee Wisconsin
Posts: 381
You could say that. Three phase is power that has three "legs" with their positive and negative
peaks happening at an equal but separate time. Common three phase transformer hookups may
help you understand better. Google three phase delta and three phase wye. Delta is basically
a triangle made up by three coils with the tap points at the three points of the triangle.
There is also a polyphase, that is usually used for electric motors.
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Ash Small
Sun Nov 20 2011, 02:02PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
The 240V mains in your house is one phase of the three phase supply.

The three phase is 410V.

These voltages are the 'average voltage', called RMS voltage (root mean square).

If you google it, you will find a much better explanation than I can give here.
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Thomas W
Sun Nov 20 2011, 02:09PM
Thomas W Registered Member #3324 Joined: Sun Oct 17 2010, 06:57PM
Location:
Posts: 1276
Dr. Kilovolt wrote ...

For a 3 phase JL see Link2
Bigger homemade arc: Link2
My Jacobs ladder, 1 meter arcs: Link2

those are some quite impressive arcs!

i need more money... i must rival!
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Tetris
Sun Nov 20 2011, 04:27PM
Tetris Registered Member #4016 Joined: Thu Jul 21 2011, 01:52AM
Location: Gainesville, FL
Posts: 660
doctor electrons wrote ...

You could say that. Three phase is power that has three "legs" with their positive and negative
peaks happening at an equal but separate time. Common three phase transformer hookups may
help you understand better. Google three phase delta and three phase wye. Delta is basically
a triangle made up by three coils with the tap points at the three points of the triangle.
There is also a polyphase, that is usually used for electric motors.

Which Nikola Tesla invented :3 (polyphase alternating current)

Er... I wouldn't be standing that close to the plasma... also I think you fried your camera.
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