Dynamic space charge behaviour in polymeric DC cables

Claus Nygaard Rasmussen; Joachim Holbøll; Mogens Henriksen

doi:10.1109/ISE.2002.1042936

Dynamic space charge behaviour in polymeric DC cables

Claus Nygaard Rasmussen, Joachim Holbøll, Mogens Henriksen

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Abstract

The use of extruded insulation for DC cables involves a risk of local electric field enhancement, caused by a space charge build-up within the dielectric. In this work, the theory of charge generation and transport in polymers is applied in a numerical computer model in order to predict the formation and transport of space charges in a polymeric dielectric. The model incorporates the processes of field assisted electron-hole pair generation from impurity atoms, trapping and charge injection at the electrodes. Its aim has been to study the field- and temperature dependent dynamic behaviour of a dielectric. Results obtained using this model-based framework are compared to measurement results obtained from Laser Induced Pressure Pulse (LIPP) space charge measurements as well as conductivity measurements on selected cable type samples.

Original language	English
Title of host publication	Proceedings of the 11. International Symposium on Electrets
Publisher	IEEE
Publication date	2002
Pages	23-26
ISBN (Print)	0-7803-7560-2
DOIs	https://doi.org/10.1109/ISE.2002.1042936
Publication status	Published - 2002
Event	11th International Symposium on Electrets - Melbourne, Australia Duration: 1 Oct 2002 → 3 Oct 2002 Conference number: 11

Conference

Conference	11th International Symposium on Electrets
Number	11
Country/Territory	Australia
City	Melbourne
Period	01/10/2002 → 03/10/2002

Keywords

Space charge
Dielectric measurements
Charge measurement
Dielectrics and electrical insulation
Cable insulation
Current measurement
Polymers
Pulse measurements
Pressure measurement
Conductivity measurement

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10.1109/ISE.2002.1042936

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title = "Dynamic space charge behaviour in polymeric DC cables",

abstract = "The use of extruded insulation for DC cables involves a risk of local electric field enhancement, caused by a space charge build-up within the dielectric. In this work, the theory of charge generation and transport in polymers is applied in a numerical computer model in order to predict the formation and transport of space charges in a polymeric dielectric. The model incorporates the processes of field assisted electron-hole pair generation from impurity atoms, trapping and charge injection at the electrodes. Its aim has been to study the field- and temperature dependent dynamic behaviour of a dielectric. Results obtained using this model-based framework are compared to measurement results obtained from Laser Induced Pressure Pulse (LIPP) space charge measurements as well as conductivity measurements on selected cable type samples.",

keywords = "Space charge, Dielectric measurements, Charge measurement, Dielectrics and electrical insulation, Cable insulation, Current measurement, Polymers, Pulse measurements, Pressure measurement, Conductivity measurement",

author = "Rasmussen, {Claus Nygaard} and Joachim Holb{\o}ll and Mogens Henriksen",

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doi = "10.1109/ISE.2002.1042936",

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AU - Holbøll, Joachim

AU - Henriksen, Mogens

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N2 - The use of extruded insulation for DC cables involves a risk of local electric field enhancement, caused by a space charge build-up within the dielectric. In this work, the theory of charge generation and transport in polymers is applied in a numerical computer model in order to predict the formation and transport of space charges in a polymeric dielectric. The model incorporates the processes of field assisted electron-hole pair generation from impurity atoms, trapping and charge injection at the electrodes. Its aim has been to study the field- and temperature dependent dynamic behaviour of a dielectric. Results obtained using this model-based framework are compared to measurement results obtained from Laser Induced Pressure Pulse (LIPP) space charge measurements as well as conductivity measurements on selected cable type samples.

AB - The use of extruded insulation for DC cables involves a risk of local electric field enhancement, caused by a space charge build-up within the dielectric. In this work, the theory of charge generation and transport in polymers is applied in a numerical computer model in order to predict the formation and transport of space charges in a polymeric dielectric. The model incorporates the processes of field assisted electron-hole pair generation from impurity atoms, trapping and charge injection at the electrodes. Its aim has been to study the field- and temperature dependent dynamic behaviour of a dielectric. Results obtained using this model-based framework are compared to measurement results obtained from Laser Induced Pressure Pulse (LIPP) space charge measurements as well as conductivity measurements on selected cable type samples.

KW - Space charge

KW - Dielectric measurements

KW - Charge measurement

KW - Dielectrics and electrical insulation

KW - Cable insulation

KW - Current measurement

KW - Polymers

KW - Pulse measurements

KW - Pressure measurement

KW - Conductivity measurement

U2 - 10.1109/ISE.2002.1042936

DO - 10.1109/ISE.2002.1042936

M3 - Article in proceedings

SN - 0-7803-7560-2

SP - 23

EP - 26

BT - Proceedings of the 11. International Symposium on Electrets

PB - IEEE

T2 - 11th International Symposium on Electrets

Y2 - 1 October 2002 through 3 October 2002

ER -

Dynamic space charge behaviour in polymeric DC cables

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