4xMOT driver!!!
Shahn, Thu Mar 23 2006, 10:08AMHi All,
I have been playing a little with some MOTs I picked up. Haveput four in series so far, need more though for a huge arch. So far have got a 10cm across/15-20cm high arch. I was going to use it as a TC driver but still not sure. The pic Below is the arch I got (sorry about the quality of pic). Whats the most MOTs anyones ever had liked whithout having to put a screw driver over the fuse wire?
[Edit: Fixed oversized picture]
Re: 4xMOT driver!!!
GimpyJoe, Thu Mar 23 2006, 01:36PM
Someone had a 12-pack that ran off 3 phase power. It could arc more than a foot!
GimpyJoe, Thu Mar 23 2006, 01:36PM
Someone had a 12-pack that ran off 3 phase power. It could arc more than a foot!
Re: 4xMOT driver!!!
Nik, Thu Mar 23 2006, 03:27PM
Bigest ive seen was a 10stack running on single phase.
Nik, Thu Mar 23 2006, 03:27PM
Bigest ive seen was a 10stack running on single phase.
Re: 4xMOT driver!!!
Mike, Thu Mar 23 2006, 08:19PM
Yes Mot's are quite fun but lethal !
So far I have taken 2 wired the primarys in parallel and secondarys in series and its running off 120vac unballasted
I can draw out about 1foot arcs using a voltage doubler with the microwave oven caps.
Movie here
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
Mike
Mike, Thu Mar 23 2006, 08:19PM
Yes Mot's are quite fun but lethal !
So far I have taken 2 wired the primarys in parallel and secondarys in series and its running off 120vac unballasted
I can draw out about 1foot arcs using a voltage doubler with the microwave oven caps.
Movie here
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
Mike
Re: 4xMOT driver!!!
joshua_, Fri Mar 24 2006, 03:30AM
And to add on to that, put those MOTs under oil NOW. Too high of a voltage across it will lead to a primary-secondary insulation failure, which can be potentially very dangerous. I would not recommend using a series configuration of more than two MOTs without extra isolation packs.
joshua_, Fri Mar 24 2006, 03:30AM
Mike wrote ...
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
And to add on to that, put those MOTs under oil NOW. Too high of a voltage across it will lead to a primary-secondary insulation failure, which can be potentially very dangerous. I would not recommend using a series configuration of more than two MOTs without extra isolation packs.
Re: 4xMOT driver!!!
Shahn, Sat Mar 25 2006, 05:18AM
Ummm well yes that is my hand.
I just tryed 5 MOTs in series with no extra insulation but quickely remover the power before it all went bang non of the MOTs were damaged. Has enyone had any luck with a stack as a TC power suply. I was planing to use a voltage X4 and see how it will run.
[Edit: Fixed double post]
Shahn, Sat Mar 25 2006, 05:18AM
Mike wrote ...
Yes Mot's are quite fun but lethal !
So far I have taken 2 wired the primarys in parallel and secondarys in series and its running off 120vac unballasted
I can draw out about 1foot arcs using a voltage doubler with the microwave oven caps.
Movie here
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
Mike
Yes Mot's are quite fun but lethal !
So far I have taken 2 wired the primarys in parallel and secondarys in series and its running off 120vac unballasted
I can draw out about 1foot arcs using a voltage doubler with the microwave oven caps.
Movie here
Edit: Please Tell me that is not your hand holding the wire? Thats extremely dangerous, please use some sort of stick, preferably a white stick of PVC about 2feet long
Make sure not to use the black stuff since it has carbon and in it and it will conduct.
Mike
Ummm well yes that is my hand.
I just tryed 5 MOTs in series with no extra insulation but quickely remover the power before it all went bang non of the MOTs were damaged. Has enyone had any luck with a stack as a TC power suply. I was planing to use a voltage X4 and see how it will run.
[Edit: Fixed double post]
Re: 4xMOT driver!!!
Mike, Sat Mar 25 2006, 05:47AM
Shahn maybe you didnt understand my last post, holding the wire with your bare hand is about the dumbest thing you can do , are you trying to kill yourself? The insulation on wires usually isnt rated for that kind of voltage/amperage.
Also, I am just going to assume here that your looking directly at the arc without any kind of eye protection? That is mostly equivelent to looking at the sun. Please don't mess around with High voltage/dangerous things unless you are going to take certain precautions to protect yourself.
Mike, Sat Mar 25 2006, 05:47AM
Shahn maybe you didnt understand my last post, holding the wire with your bare hand is about the dumbest thing you can do , are you trying to kill yourself? The insulation on wires usually isnt rated for that kind of voltage/amperage.
Also, I am just going to assume here that your looking directly at the arc without any kind of eye protection? That is mostly equivelent to looking at the sun. Please don't mess around with High voltage/dangerous things unless you are going to take certain precautions to protect yourself.
Re: 4xMOT driver!!!
vasil, Sat Mar 25 2006, 06:47AM
i think that a 4 MOT pack, middle grounded, with +5 kV, -5 kV at the output, can ve run with any extrainsulation, without oil. For more MOTs is better to use oil. In the TC coil service it is possible to have HV transients, bigger than the output, so the best insulation is a must.
vasil, Sat Mar 25 2006, 06:47AM
i think that a 4 MOT pack, middle grounded, with +5 kV, -5 kV at the output, can ve run with any extrainsulation, without oil. For more MOTs is better to use oil. In the TC coil service it is possible to have HV transients, bigger than the output, so the best insulation is a must.
Re: 4xMOT driver!!!
Shahn, Sat Mar 25 2006, 07:33AM
Shahn, Sat Mar 25 2006, 07:33AM
Mike wrote ...
Shahn maybe you didnt understand my last post, holding the wire with your bare hand is about the dumbest thing you can do , are you trying to kill yourself? The insulation on wires usually isnt rated for that kind of voltage/amperage.
Also, I am just going to assume here that your looking directly at the arc without any kind of eye protection? That is mostly equivelent to looking at the sun. Please don't mess around with High voltage/dangerous things unless you are going to take certain precautions to protect yourself.
Oh. Well I am very hapy not to have hurt or killed myself. Thank you for the advece, I will be more carefull fom now on.Shahn maybe you didnt understand my last post, holding the wire with your bare hand is about the dumbest thing you can do , are you trying to kill yourself? The insulation on wires usually isnt rated for that kind of voltage/amperage.
Also, I am just going to assume here that your looking directly at the arc without any kind of eye protection? That is mostly equivelent to looking at the sun. Please don't mess around with High voltage/dangerous things unless you are going to take certain precautions to protect yourself.
Re: 4xMOT driver!!!
Bjørn, Sat Mar 25 2006, 09:00AM
Everyone should read this:
http://wiki.4hv.org/index.php/Electrical_Safety
It takes less than a second for a MOT to kill you and just a small fraction of a second if you are unlucky. If you are not 100% sure about what you are doing you should stay far enough away from it that you can't reach it if you fall towards it.
Bjørn, Sat Mar 25 2006, 09:00AM
Everyone should read this:
http://wiki.4hv.org/index.php/Electrical_Safety
It takes less than a second for a MOT to kill you and just a small fraction of a second if you are unlucky. If you are not 100% sure about what you are doing you should stay far enough away from it that you can't reach it if you fall towards it.
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