Space charge and anomalous discharge currents in crosslinked polyethylene

被引：22

作者：

Malec, D ^{[1
]}

Essolbi, R ^{[1
]}

Hoang, TG ^{[1
]}

BuiAi ^{[1
]}

Garros, B ^{[1
]}

机构：

[1] ALKATEL ALSTHOM RECH,MARCOUSSIS,FRANCE

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1996年 / 3卷 / 01期

关键词：

D O I：

10.1109/94.485515

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Transient currents in cross-linked polyethylene (XLPE) have been investigated by using different parameters: temperature T, electrical field E(p) and hydrostatic pressure P. Anomalous discharging currents flowing in the same direction as charging currents were observed from T = 30 to 70 degrees C, P = 0.1 to 30 MPa and E(p) = 13 to 33 kV/mm. The space charge was measured using the pressure wave propagation method (PWP). Theoretical calculation revealed that this anomalous behavior can result from charge migration under a partial blocking condition at the electrodes. We discuss theoretical results which are in reasonable agreement with our discharge current measurements.

引用

页码：64 / 69

页数：6

共 16 条

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