Electrical Insulation Performance of HVDC-GIS Spacer Under Various Testing Conditions

被引：0

作者：

Nakane, R. ^{[1
]}

Takabayashi, K. ^{[1
]}

Kato, K. ^{[2
]}

Okubo, H. ^{[1
]}

机构：

[1] Aichi Inst Technol, Yakusa Cho 1247, Toyota 4700392, Japan

[2] Niihama Coll, Natl Inst Technol, Yakumo Cho 7-1, Niihama 7928580, Japan

来源：

2017 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENON (CEIDP) | 2017年

关键词：

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：

In this paper, by using the Finite Element Method (FEM), electric field and charge density distributions of epoxy-spacer in actual 500 kV DC gas insulated switchgear (DC-GIS) structures are calculated, while adjusting parameters such as inclination angle and thickness of the core-spacer. In addition, we discussed the electrical insulation performance under AC, DC steady-state, and DC polarity reversal (DC-PR) testing conditions based on actual 500 kV DC-GIS structures. As a result, we clarified that the accumulated charges on a solid insulator surface under DC steady-state can be a critical parameter to determine the maximum electric field distribution at DC-PR conditions. Further more, we concluded that the electric field stress on the electrode surface of the spacer at DC-PR testing conditions has the severest impact on electrical insulation performance among the other tested conditions.

引用

页码：621 / 624

页数：4