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4hv.org :: Forums :: High Voltage
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Discharges of a thyristor controlled induction coil, spark length is about 150mm

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Physikfan
Fri Nov 11 2016, 04:23PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
Location:
Posts: 304
I hope these two pictures give more information.

I think there is no relay.

The "black box" cools only the rectifier diode.

The big resistor has 420 Ohm, the big capacitor has 4 uF/600V

P1190358400x395

P1190359400x406
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paris
Fri Nov 11 2016, 06:48PM
paris Registered Member #3042 Joined: Wed Jul 28 2010, 12:36AM
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Posts: 121
now I can see its a heat sink . what is the brand name of the power supply?
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Physikfan
Fri Nov 11 2016, 07:49PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
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Posts: 304
The brand name is NEVA:

P1190345400x324

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Newton Brawn
Sat Dec 10 2016, 07:37AM
Newton Brawn Registered Member #3343 Joined: Thu Oct 21 2010, 04:06PM
Location: Toronto
Posts: 311
Is a Tesla coil driving another Tesla ?
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Physikfan
Sat Dec 10 2016, 03:38PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
Location:
Posts: 304
No

As you can see in my post of November 7, this thyristor commercial device delivers a small double pulse ( +100V and -300V) at a pure ohmic resistor of 0.5 Ohm in position 5.
In my post of November 8, this thyristor commercial device delivers a much broader double pulse ( +200V and -400V with a special structure) at a real primary coil (0.5 Ohm) of this mid size induction coil (my post of November 7).
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