Hello,
Recently, I completed my demo fusor using the guide from makezine and I noticed how the rectifier was made using the two outputs from the neon transformer as the inputs with the single output from the middle.
However, my x-ray transformer only has one output which I assume is negative. As a result how would I go about making the rectifier for it. I was planning on doing it the same way but rather than using the two neon transformer outputs as the inputs I can use the x-ray transformer output as one of the inputs and ground the other input.
Would that work?
Rectifier with X-Ray Transformer
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- Real name: Cameron Palte
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- Posts: 35
- Joined: Wed Apr 16, 2014 3:57 pm
- Real name: Cameron Palte
Re: Rectifier with X-Ray Transformer
Could this be moved to the new users chat area - I made the mistake of posting it here again.
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Re: Rectifier with X-Ray Transformer
The neon transformer usually has a center tap connected to ground (case of the transformer).
To use both sides for the secondary winding two diodes are needed.
Any non-superconducting transformer is always AC, so the output from your X-ray transformer is AC, not negative. You can rectify is with one diode.
note that
a) the maximum reverse voltage over the diode is sqrt(2) * V without any capacitance, but if you have some capacitance it will be 2 * sqrt(2) * V (with V being the secondary voltage)
b) N x HV diode in series is not the same as one diode with max reverse voltage of N * Vmax, that will break. (e.g. 20 x 1N4007 will break far below 20kV), if you want to make a HV diode, use zener diodes.
To use both sides for the secondary winding two diodes are needed.
Any non-superconducting transformer is always AC, so the output from your X-ray transformer is AC, not negative. You can rectify is with one diode.
note that
a) the maximum reverse voltage over the diode is sqrt(2) * V without any capacitance, but if you have some capacitance it will be 2 * sqrt(2) * V (with V being the secondary voltage)
b) N x HV diode in series is not the same as one diode with max reverse voltage of N * Vmax, that will break. (e.g. 20 x 1N4007 will break far below 20kV), if you want to make a HV diode, use zener diodes.
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- Joined: Wed Apr 16, 2014 3:57 pm
- Real name: Cameron Palte
Re: Rectifier with X-Ray Transformer
Would I go about rectifying with a single diode by just running the output through one diode and then taking that output to my fusor?
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- Real name: Dominick Lee
Re: Rectifier with X-Ray Transformer
That would work, it's called half-wave rectification as you would only be using half of the sinusoid and blocking the other half. A better, slightly more complex rectifier is called full-wave rectification, using four (4) diodes. See wiki.
Keep in mind, your transformer doesn't really just have one "output", it has two. The second "output" would be a connection to the case of the transformer.
Keep in mind, your transformer doesn't really just have one "output", it has two. The second "output" would be a connection to the case of the transformer.