Electrical and Mechanical Characteristics of Insulating Materials for HTS DC Cable and Cable Joint

被引：12

作者：

Kim, Woo-Jin ^{[1
,2
]}

Kim, Hae-Jong ^{[3
]}

Cho, Jeon-Wook ^{[3
]}

Choi, Yeon ^{[4
]}

Kim, Sang-Hyun ^{[1
,2
]}

机构：

[1] Gyeongsang Natl Univ, Dept Elect Engn, Jinju 660701, South Korea

[2] ERI, Jinju 660701, South Korea

[3] Korea Electrotechnol Res Inst, Superconduct Res Ctr, Chang Won 641120, South Korea

[4] Korea Basic Sci Inst, Div Mat Sci, Daejeon 169148, South Korea

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2015年 / 25卷 / 03期

关键词：

Cable joint; flashover and breakdown; HTS dc cable; insulation; PPLP and epoxy;

D O I：

10.1109/TASC.2014.2385958

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：

A high-temperature superconducting (HTS) dc cable system consists of cable, termination, and cable joint. Polypropylene laminated paper (PPLP) and epoxy have been widely used as insulating material for HTS cable and cable joint. The electrical and mechanical characteristics of insulating materials at cryogenic temperature must be investigated for the long life, stable operation, and compactness of the cable. In order to develop an HTS dc cable and cable joint, it is important to understand the fundamental properties of insulating materials. In this paper, we discuss mainly about the electrical and mechanical characteristics of insulating materials for HTS dc cable and cable joint. We investigate the characteristics of dc and impulse voltage. The flashover and breakdown characteristics of PPLP, epoxy, and composite of epoxy-PPLP are studied. In addition, the mechanical characteristic such as tensile strength of PPLP at 77 and 300 K is discussed.

引用

页数：4

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