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Author Topic: triac tesla coils  (Read 762 times)

Offline LazerBolts

  • Newbie
  • *
  • Posts: 9
triac tesla coils
« on: July 29, 2019, 12:21:43 PM »
Can triacs discharge capacitors into the primary of a tesla coil?

This would permit low voltage high current operation and absence of spark gaps reduces EMI but not sure if there are any tesla coils incorporating triacs instead of spark gaps.

Free Energy | searching for free energy and discussing free energy

triac tesla coils
« on: July 29, 2019, 12:21:43 PM »

Offline Raycathode

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  • Posts: 84
Re: triac tesla coils
« Reply #1 on: July 29, 2019, 01:13:49 PM »
Can triacs discharge capacitors into the primary of a tesla coil?

This would permit low voltage high current operation and absence of spark gaps reduces EMI but not sure if there are any tesla coils incorporating triacs instead of spark gaps.
Hi there, Do mean an SCR by any chance? the problem with an SCR in it's conductive state it has a resistance of about 5 ohms and a depletion layer of about .5 volt or so that can't easily be over come and there is another problem with trying to turn the device off very quickly and if being used directly as the power device as it's a p.n.p.n bipolar device.
A MOSFET device would be a much better device as it's conductive resistance can be as low as .005 or better but you would have to totem pole them and bias them correctly to cater for the huge back EMF pressure would be an easier problem to solve.

Regards Raymondo

Offline LazerBolts

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  • *
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Re: triac tesla coils
« Reply #2 on: July 31, 2019, 11:42:02 PM »
Hi there, Do mean an SCR by any chance? the problem with an SCR in it's conductive state it has a resistance of about 5 ohms and a depletion layer of about .5 volt or so that can't easily be over come and there is another problem with trying to turn the device off very quickly and if being used directly as the power device as it's a p.n.p.n bipolar device.
A MOSFET device would be a much better device as it's conductive resistance can be as low as .005 or better but you would have to totem pole them and bias them correctly to cater for the huge back EMF pressure would be an easier problem to solve.

Regards Raymondo
Triacs are bidirectional thyristors.

Free Energy | searching for free energy and discussing free energy

Re: triac tesla coils
« Reply #2 on: July 31, 2019, 11:42:02 PM »
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