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0 votes
1 answer
79 views

Hipot results vs surface area

I trying to hipot test a 12"x12" metal with kapton layer. Different sizes of metal (e.g. 1"x1", 4"x4", banana plug) is placed on top of kapton tape. The bigger metal ...
Ybx Nop's user avatar
  • 19
2 votes
1 answer
172 views

Trying to make a HASEL actuator

I was told that if I apply high voltage to a zip lock bag filled with baby oil with tin foil paper on the end it'd make it contract and act as a HASEL actuator. I'm afraid of measuring the exact ...
peteblank's user avatar
0 votes
0 answers
121 views

DC hipot leakage current

I noticed that when testing hipot in DC I always get leakage current, but not during AC hipot testing. Do you have any ideas about this? My hipot tester is Quadtech Sentry 500VA. I’m testing a ...
Ybx Nop's user avatar
  • 19
1 vote
2 answers
2k views

What material can I use as a dielectric in my own high voltage capacitors?

I need capacitors rated for 50 kV. Buying them is an option but the ones with appropriate voltage rating I have seen cost more than 50€ which is far too much. That's why I want to make caps on my own ...
hanslhansl's user avatar
3 votes
2 answers
383 views

How come distilled water hasn't replaced transformer oil as a high voltage insulator?

I've noticed that distilled water has an extremely high dielectric straight (65-70 MV/m). With that considered, how come it isn't used in the place of transformer oil for 10-20 kV applications where ...
user avatar
3 votes
3 answers
257 views

High voltage dielectric breakdown & layering insulators

I’m going to use 230 kV as the reference voltage for the example below; I know if I put a piece of metal too close to a 230 kV source it will breakdown the air and jump to the piece of metal causing a ...
Nick 's user avatar
  • 31
-2 votes
4 answers
226 views

What is the correlation between dielectric plates and capacitance? [closed]

A project I'm working on requires a capacitor of 37000 uF and a voltage rating of at least 10kV, but every capacitor I find online can only meet one of these standards and is very expensive, so ...
Matthew Averill's user avatar
1 vote
1 answer
356 views

Dielectric Transformer Oil

Which commercial oil can i use for isolation of a high voltage transformer+voltage doubler?.The output voltage is about max 60kv.
Nano's user avatar
  • 91