Space Charge Behavior of LDPE Graphene-Oxide Nanocomposites

被引：0
|
作者：
Mancinelli, Paolo [1 ]
Fabiani, Davide [1 ]
Schirone, Fabio [1 ]
Vanga-Bouanga, Christele [2 ]
Frechette, Michel F. [2 ]
机构：
[1] Univ Bologna, DEI, Viale Riorgimento 2, I-40136 Bologna, Italy
[2] Inst Rech Hydroquebec IREQ, 1800 Blvd Lionel Boulet, Varennes, PQ J3X 1S1, Canada
来源：
2015 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2015年
关键词：
graphene oxide; space charge reduction; hvdc; charge packet; low-density polyethylene; PERFORMANCE; INSULATION;
D O I：
暂无
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：
This paper deals with space charge characterization of LDPE nanocomposites having graphene oxide as nanofiller. Space charge measurements were performed at 40 kV/mm and at two temperatures, i.e. 20 degrees C and 60 degrees C. Experimental results showed that the base LDPE specimens is affected by a large bipolar charge injection at room temperature. In particular, a large amount of positive charge injected by the anode is seen to cross the insulation in a form of a charge packet, overwhelming the negative charge injected by cathode. Specimens containing graphene oxide (GO), on the contrary, do not show any charge packet formation and the space charge accumulated in the bulk is significantly lower than for LDPE. This results in a smaller electric field distortion, which provides beneficial effect for reliability of electrical insulation.
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页码：547 / 550
页数：4
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