NDLI: Electrical tree growth and space charge behaviour of epoxy resin blends

Content Provider	IEEE Xplore Digital Library
Author	Champion, J.V. Dodd, S.J. Alison, J. Askew, L.
Copyright Year	1998
Description	Author affiliation: London Guildhall Univ., UK (Champion, J.V.)
Abstract	We have shown that there is a direct relationship between the state (glassy or flexible) of the epoxy resin and its tree growth and space charge behaviour. At this stage it is not possible to relate directly the tree growth behaviour to the space charge properties of the epoxy resin. The main problem is that the tree growth characteristics were obtained using a 50 Hz alternating applied voltage and with a nonuniform electric field configuration (pin plane electrodes) while the space charge measurements were taken under steady DC electric fields with an initially uniform electric field configuration (parallel-plane electrode configuration). Electrical tree growth is driven by the high local electric fields surrounding the tree structure. The mechanical properties of the polymer network may therefore influence the potential for space (polarisation) charge to form in the resin surrounding a tree structure and therefore influence the local electric fields responsible for its growth. Much will depend on the ability of the resin network to deform locally in the high 50 Hz alternating electric fields surrounding the growing tree structure.
Starting Page	321
Ending Page	324
File Size	440148
Page Count	4
File Format	PDF
ISBN	0780342372
DOI	10.1109/ICSD.1998.709290
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-22
Publisher Place	Sweden
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Epoxy resins Nonuniform electric fields Tree data structures Electrodes Electric fields Voltage Current measurement Charge measurement Electric variables measurement
Content Type	Text
Resource Type	Article

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Electrification and space charge under electric stress in high temperature on epoxy resin

Space charge measurements in epoxy resin under DC voltage

Effect of DC voltage with multiple harmonics on space charge behavior in epoxy resin

Influence of T/sub g/ on space charge development in epoxy resin

Influence of space charge under non-uniform electric field to electrical treeing in epoxy resin

The impact of DC bias on electrical tree growth characteristics in epoxy resin samples

Effect of electrode material on space charge behavior in epoxy resin

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Decay of space charge in a glassy epoxy resin following voltage removal

Electrical tree growth and space charge behaviour of epoxy resin blends

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