Questions tagged [ionization]
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13
questions
0
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0answers
32 views
Ion current measurement
I have a few questions:
To measure the ion current in air plasma from a source that works in pulses, what method is best for ion current measurements? Is it by using a Rogowski coil or by measuring ...
0
votes
0answers
45 views
Transformer-insulated flame ionization detector. How to improve response? Triode, messure current safety, ignition fires
I am trying to do a isolate flame ionization detector with a transformer ignition. But, when I put it on the frame, nothing change.. (0.2VAC)
I put a amplifier (10 teraohms impedance) to read the ...
1
vote
3answers
115 views
Current leaks at 500 VDC
Background: I have a small soldered joint on a 500 VDC (0.1 A) lead that's exposed to air. The edges of the joint are fairly ridged and have a few significant edges. In the higher voltage range (40 kV)...
0
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1answer
184 views
How to reduce 30 amps to 5 [duplicate]
I recently bought a Transformer so that I can make an ionic lifter but it has a max 30 amp output and I’m sure that is way too much for what I need plus Since I have this plugged straight into the ...
7
votes
1answer
327 views
How can I rectify up to 85 kV?
I've recently gotten into eletrochemistry, and I found out that if you break through \$\epsilon_{0}\$ with a high enough voltage you can ionize various gasses. I've already wound a 1:1250 EE core that ...
3
votes
5answers
240 views
Open circuit ground multiplexing?
I am experimenting with electrospray ionization. The setup has a 4kV power supply connected to an electrode that is separated from a return lug (or ground plate) via an air gap, followed by an inline ...
25
votes
6answers
3k views
Why do high-voltage transformers need oil?
Someone told me that high-voltage transformers need oil because it prevents arcing. However, in terms of dielectric breakdown, isn't air the strongest?
I remember from classes in college that as the ...
0
votes
3answers
162 views
Amplifying an ionization current with an op amp
My observation:
Previously at my work I was assigned a project in which I needed to amplify an AC signal from a piezoelectric electric sensor. I simply made an inverted op amp circuit to accomplish ...
0
votes
1answer
220 views
Why are ionization smoke detectors bad at detecting smoldering fires?
I have been doing some research on the differences between ionization and photoelectric smoke detectors, and main differences in their capabilities, seems to be their ability to detect different kinds ...
0
votes
1answer
76 views
Does my electric clearing field actually make ions?
I am using an electric clearing field of 15v/10cm (~150V/m) to remove ions from a test chamber, however I'm wondering to what extent the localisation of the field's reference voltage plays a role.
...
0
votes
1answer
44 views
Radio Noise from Storm
I drove through a Wyoming thunderstorm today. Just for fun, I set my AM car radio to the top end of the AM broadcast band where there was no station audible. Sure enough, I heard the lightning ...
0
votes
1answer
88 views
Negative air ionizer with a electric net of 3X 230V AC
I want to make the following negative air ionizer but the following instrucable uses a net of 230V AC + N.
My question is : If I make the following circuit but power it with the two phases of a ...
2
votes
1answer
1k views
Are “ionizing” hair dryers any different from the regular ones? [closed]
I've been shopping for hair dryers and in all malls I've been to the salespeople explained how the "ionizing" hair dryers are better than the ones without that function, because it makes your hair ...
