Conductivity and Space Charges in PE with Additives

Joachim Holbøll; Mogens Henriksen; J. Hjerrild

Conductivity and Space Charges in PE with Additives

Joachim Holbøll, Mogens Henriksen, J. Hjerrild

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Abstract

Temperature dependent conductivity and space charge formation was measured in metallocene catalyst polymerized polyethylene samples of planar geometry with semiconductive electrodes. The temperature dependence of the conductivity was determined based on leakage current measurements at variable temperatures. Space charge formation under an applied electrical field of 20 kV/mm was investigated by means of the pulse-electro-acoustic method (PEA) at room temperature. The results were compared to space charge formation and conductivity in common LDPE. The measurements showed considerable differences between materials and only minor influence of crosslinking process and the addition of antioxidant with respect to the electrical properties of the material. Possible correlations between conductivity and space charge formation are discussed in the paper. The relevance of the findings for application to extruded high voltage cables will be discussed.

Original language	English
Title of host publication	ICPADM2003
Volume	3
Publisher	IEEE
Publication date	2003
ISBN (Print)	0-7803-7725-7
Publication status	Published - 2003
Event	ICPADM2003 - Duration: 1 Jan 2003 → …

Conference

Conference	ICPADM2003
Period	01/01/2003 → …

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Copyright: 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Conductivity and Space Charges in PE with Additives",

abstract = "Temperature dependent conductivity and space charge formation was measured in metallocene catalyst polymerized polyethylene samples of planar geometry with semiconductive electrodes. The temperature dependence of the conductivity was determined based on leakage current measurements at variable temperatures. Space charge formation under an applied electrical field of 20 kV/mm was investigated by means of the pulse-electro-acoustic method (PEA) at room temperature. The results were compared to space charge formation and conductivity in common LDPE. The measurements showed considerable differences between materials and only minor influence of crosslinking process and the addition of antioxidant with respect to the electrical properties of the material. Possible correlations between conductivity and space charge formation are discussed in the paper. The relevance of the findings for application to extruded high voltage cables will be discussed.",

author = "Joachim Holb{\o}ll and Mogens Henriksen and J. Hjerrild",

note = "Copyright: 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE; ICPADM2003 ; Conference date: 01-01-2003",

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T1 - Conductivity and Space Charges in PE with Additives

AU - Holbøll, Joachim

AU - Henriksen, Mogens

AU - Hjerrild, J.

N1 - Copyright: 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 2003

Y1 - 2003

N2 - Temperature dependent conductivity and space charge formation was measured in metallocene catalyst polymerized polyethylene samples of planar geometry with semiconductive electrodes. The temperature dependence of the conductivity was determined based on leakage current measurements at variable temperatures. Space charge formation under an applied electrical field of 20 kV/mm was investigated by means of the pulse-electro-acoustic method (PEA) at room temperature. The results were compared to space charge formation and conductivity in common LDPE. The measurements showed considerable differences between materials and only minor influence of crosslinking process and the addition of antioxidant with respect to the electrical properties of the material. Possible correlations between conductivity and space charge formation are discussed in the paper. The relevance of the findings for application to extruded high voltage cables will be discussed.

AB - Temperature dependent conductivity and space charge formation was measured in metallocene catalyst polymerized polyethylene samples of planar geometry with semiconductive electrodes. The temperature dependence of the conductivity was determined based on leakage current measurements at variable temperatures. Space charge formation under an applied electrical field of 20 kV/mm was investigated by means of the pulse-electro-acoustic method (PEA) at room temperature. The results were compared to space charge formation and conductivity in common LDPE. The measurements showed considerable differences between materials and only minor influence of crosslinking process and the addition of antioxidant with respect to the electrical properties of the material. Possible correlations between conductivity and space charge formation are discussed in the paper. The relevance of the findings for application to extruded high voltage cables will be discussed.

M3 - Article in proceedings

SN - 0-7803-7725-7

VL - 3

BT - ICPADM2003

PB - IEEE

T2 - ICPADM2003

Y2 - 1 January 2003

ER -

Conductivity and Space Charges in PE with Additives

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