The electrical insulation system of a forced flow cooled superconducting (sc) magnet

被引：26

作者：

Bauer, K ^{[1
]}

Fink, S ^{[1
]}

Friesinger, G ^{[1
]}

Ulbricht, A ^{[1
]}

Wüchner, F ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Tech Phys, D-76344 Leopoldshafen, Germany

来源：

CRYOGENICS | 1998年 / 38卷 / 11期

关键词：

high voltage components; superconducting magnets; cryogenic temperatures; force flow cooling; insulation breaks; high voltage instrumentation cable; current feedthroughs; test facilities;

D O I：

10.1016/S0011-2275(98)00099-X

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The discharge of stored magnetic energy of sc magnets in the GJ range requires discharge powers up to several hundreds of MW. The present state-of-the-art of sc high current cables in the 50 kA range leads to voltages of several tens of kV. Forced flow cooled conductors allow a rigid winding construction with higher discharge voltages. At Forschungszentrum Karlsruhe a sc poloidal field model coil (diameter 3 m) was constructed and tested at about 20 kV. The typical components of the electrical insulation system were developed. Partial discharge measurements and pulse voltage were applied. it was demonstrated that the engineering basis of the insulation system for about 20 kV was developed. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：1123 / 1134

页数：12

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