For anyone interested:
http://en.wikipedia.org/wiki/Insulator_(electrical)
Just gives some background might be of interest.
Regards
M. Gregg
http://en.wikipedia.org/wiki/Insulator_(electrical)
Just gives some background might be of interest.
Regards
M. Gregg
If you're reading Wikipedia, look at this:
Dielectric strength - Wikipedia, the free encyclopedia
It's actually a pretty good article. Note that vacuum has a dielectric breakdown voltage, and one that is rather intermediate in their list of materials.
Dielectric strength - Wikipedia, the free encyclopedia
It's actually a pretty good article. Note that vacuum has a dielectric breakdown voltage, and one that is rather intermediate in their list of materials.
If you're reading Wikipedia, look at this:
Dielectric strength - Wikipedia, the free encyclopedia
It's actually a pretty good article. Note that vacuum has a dielectric breakdown voltage, and one that is rather intermediate in their list of materials.
Yes the vacuum is interesting also the difference with extruded teflon Vs Film.
Looking at:
Avalanche breakdown - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Disruptive_discharge
http://en.wikipedia.org/wiki/Breakdown_voltage <<<<vacuum
I still wonder about the reduction of insulation resistance over time. Apart from contamination and absorption which would make sense. The ambient temperature effects the insulation properties. However it does not say if this returns as ambient drops to normal. Or if the damage is done!
Regards
M. Gregg
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Electron avalanche - Wikipedia, the free encyclopedia
More applicable to materials like plastic or gases.
More applicable to materials like plastic or gases.
Two issues with dielectric materials in use. Temperature is an aging multiplier and corona is also. In transformers we exclude oxygen molecules, to the best of our ability, to allow maximum mtbf from the dielectric barriers that keep electrical gear from becoming Darwinian selection devices.
Different materials require different storage mechanisms to keep them from aging due to other environmental threats. An example is Kapton film, which must be kept from moisture and cold temperatures, which will accelerate that materials aging.
Bud
Different materials require different storage mechanisms to keep them from aging due to other environmental threats. An example is Kapton film, which must be kept from moisture and cold temperatures, which will accelerate that materials aging.
Bud
Thought I would post this because I found it interesting.
http://www.ipme.ru/e-journals/RAMS/no_21306/amin.pdf
Not quite what we are covering but still interesting!
Then this:
http://www2.le.ac.uk/departments/en...lectrical-insulation-and-dielectric-phenomena
Seems to be much closer.
Regards
M. gregg
http://www.ipme.ru/e-journals/RAMS/no_21306/amin.pdf
Not quite what we are covering but still interesting!
Then this:
http://www2.le.ac.uk/departments/en...lectrical-insulation-and-dielectric-phenomena
Seems to be much closer.
Regards
M. gregg
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This again may be interesting to some,
http://eprints.ecs.soton.ac.uk/16113/1/04543118.pdf
Just for interest.
http://www.allaboutcircuits.com/vol_1/chpt_12/8.html <<<easier
Over to SY's book I think.... Shive and Weber, "Similarities in Physics."
Regards
M. Gregg
http://eprints.ecs.soton.ac.uk/16113/1/04543118.pdf
Just for interest.
http://www.allaboutcircuits.com/vol_1/chpt_12/8.html <<<easier
Over to SY's book I think.... Shive and Weber, "Similarities in Physics."
Regards
M. Gregg
Last edited:
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