TY - GEN
T1 - Water tree retardation and electrical properties of eva blended xlpe
AU - Jun-Ho, Lee
AU - Suh, Kwang Suck
AU - Sang-Joon, Kim
AU - Dong-Won, Jeong
AU - Min-Koo, Han
PY - 1992/1/1
Y1 - 1992/1/1
N2 - The water tree retardation effect of EVA (ethylene vinyl acetate) blended XLPE (cross-linked polyethylene) was investigated. In addition to water tree tests such electrical properties as dissipation factor and AC breakdown strength and such mechanical properties as Young's modulus and toughness were also studied, because the performance of insulating materials cannot be estimated only on the basis of water tree retardation. It is shown that, in the case of XLPE blended with EVA, water treeing can be retarded considerably and toughness corresponding to the stress-crack resistance improved with increasing VA content, while the dissipation factor which depends on the concentration of permanent dipoles increases. No marked change of AC breakdown strength with increasing the VA content was observed. It is concluded that the growth of water tree is strongly influenced by the mechanical properties, and improvement of stress-crack resistance may be a possible way to reduce water treeing.
AB - The water tree retardation effect of EVA (ethylene vinyl acetate) blended XLPE (cross-linked polyethylene) was investigated. In addition to water tree tests such electrical properties as dissipation factor and AC breakdown strength and such mechanical properties as Young's modulus and toughness were also studied, because the performance of insulating materials cannot be estimated only on the basis of water tree retardation. It is shown that, in the case of XLPE blended with EVA, water treeing can be retarded considerably and toughness corresponding to the stress-crack resistance improved with increasing VA content, while the dissipation factor which depends on the concentration of permanent dipoles increases. No marked change of AC breakdown strength with increasing the VA content was observed. It is concluded that the growth of water tree is strongly influenced by the mechanical properties, and improvement of stress-crack resistance may be a possible way to reduce water treeing.
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U2 - 10.1109/ICSD.1992.225009
DO - 10.1109/ICSD.1992.225009
M3 - Conference contribution
AN - SCOPUS:85066909461
T3 - Proceedings of the 4th International Conference on Conduction and Breakdown in Solid Dielectrics, ICSD 1992
SP - 451
EP - 455
BT - Proceedings of the 4th International Conference on Conduction and Breakdown in Solid Dielectrics, ICSD 1992
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 4th International Conference on Conduction and Breakdown in Solid Dielectrics, ICSD 1992
Y2 - 22 June 1992 through 25 June 1992
ER -