Ac loss properties of a 1MVA single-phase HTS power transformer

被引：68

作者：

Iwakuma, M

Funaki, K

Kajikawa, K

Tanaka, H

Bohno, T

Tomioka, A

Yamada, H

Nose, S

Konno, M

Yagi, Y

Maruyama, H

Ogata, T

Yoshida, S

Ohashi, K

Tsutsumi, K

Honda, K

机构：

[1] Kyushu Univ, Res Inst Supercond, Higashi Ku, Fukuoka 8128581, Japan

[2] Fuji Elect co Ltd, Ichihara 2908511, Japan

[3] Kyushu Transformer Co Ltd, Fukumamachi, Fukuoka 8113292, Japan

[4] Taiyo Toyo Sanso Co Ltd, Kawasaki Ku, Kawasaki, Kanagawa 2100866, Japan

[5] Kyushu Elect Power Co Inc, Minami Ku, Fukuoka 8158520, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2001年 / 11卷 / 01期

关键词：

ac loss; Bi2223; HTS transformer; parallel conductor;

D O I：

10.1109/77.920054

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：

We designed and built a single-phase 1 MVA-22/6.9 kV HTS transformer with the multi-layered cylindrical windings composed of Bi2223 parallel conductors. In advance of the design, the ac loss induced in the windings was estimated on the basis of the observed results in a strand. A subcooled liquid nitrogen cryogenic system with the corresponding cooling capacity was developed and attached to the transformer. The actual ac loss was measured by an electrical method. It was a great part of the total heat load and dominated the temperature rise of subcooled liquid nitrogen. We discussed the validity of the present estimation procedure of the ac loss in the windings as compared with the observed results.

引用

页码：1482 / 1485

页数：4