High voltage insulation performance of cryogenic liquids for superconducting power apparatus

Author

Okubo, H. ; Hikita, M. ; Goshima, H. ; Sakakibara, H. ; Hayakawa, N.

Author_Institution

Nagoya Univ., Japan

Volume

11

Issue

3

fYear

1996

fDate

7/1/1996 12:00:00 AM

Firstpage

1400

Lastpage

1406

Abstract

This paper describes high voltage insulation technology of cryogenic liquids for superconducting power apparatus. The insulation of a superconducting transformer is classified into several insulation components. Moreover, we investigate fundamental insulation characteristics peculiar to the superconducting and cryogenic circumstances: area and volume effects on breakdown strength, V-t characteristics, quench induced dynamic breakdown characteristics and so on. Finally, we systematize the electrical insulation of cryogenic liquids, and propose a flow chart for the practical insulation design of superconducting power apparatus

Keywords

cryogenics; electric breakdown; electric strength; insulation testing; power transformer insulation; power transformer testing; superconducting transformers; V-t characteristics; area effects; breakdown strength; cryogenic liquids; high voltage insulation performance; insulation characteristics; quench induced dynamic breakdown; superconducting power apparatus; superconducting transformer; volume effects; Cryogenics; Dielectric liquids; Dielectrics and electrical insulation; Electric breakdown; Flowcharts; Oil insulation; Power transformer insulation; Superconducting cables; Superconducting transmission lines; Voltage;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.517498

Filename

517498