NDLI: Pressure effects on breakdown in transformer oil ITO 100

Content Provider	IEEE Xplore Digital Library
Author	Kudelcik, J. Varacka, L.
Copyright Year	2014
Description	Author affiliation: Dept. of Phys., Univ. of Zilina, Zilina, Slovakia (Kudelcik, J.; Varacka, L.)
Abstract	The measurements of dc breakdown voltage on the pressure were made in transformer oil ITO 100 for various electrode distances. It is commonly consider that slow increase of voltage, polarization and charging cause creation of small channels. The local heating of the liquid, high electric field, Towsend mechanism of ionization together with molecular ionization have result in generation of pre-breakdown bubbles. Small channels and bubbles are spaces with lower density as surrounded oil, where streamers can be created. Development of streamer and its connection of electrodes cause in breakdown in transformer oil. The processes influenced on the bubble and channels as volume compression, expansion or deformation are accompanied with the electric strength of transformer oil. Quantitative confirmation of this experimental fact is that the pressure significantly influences on the electric strength of studied liquid. The bubble theory is also used to explain the development of initial stages and breakdown in transformer oil.
Sponsorship	AZD Prague
Starting Page	666
Ending Page	669
File Size	727268
Page Count	4
File Format	PDF
e-ISBN	9781479937219
DOI	10.1109/ELEKTRO.2014.6848984
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-19
Publisher Place	Slovakia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistors Breakdown in transformer oil Electric breakdown Ionization Switches Conductivity HTML Fuels Pressure
Content Type	Text
Resource Type	Article

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