Development of a 1000 kVA-class oxide-superconducting power transformer cooled by subcooled liquid nitrogen

Characteristic test of a 500kVA-class HTS transformer

Fig.1 Characteristic test of a 500kVA-class HTS transformer

The 500kVA-class HTS transformer cooled by a subcooled liquid nitrogen system

Fig.2 The 500kVA-class HTS transformer cooled by a subcooled liquid nitrogen system

An advanced 22kV/ 6.9kV HTS transformer system connected with a commercial electric power line and its characteristic test results

Fig.3 An advanced 22kV/ 6.9kV HTS transformer system connected with a commercial electric power line and its characteristic test results




Publications

[1] H.Kanetaka, K.Funaki, K.Yamafuji et al.、Experimental evaluation of ac loss in superconducting multifilamentary wires for a.c. use exposed to a magnetic field with arbitrary angle、1995、IEEE Trans. on Appl. Supercond., May 1995
[2] Kazuo Funaki et al.、Development of a 22kV/6.9kV Single-Phase Model for a 3MVA HTS Power Transformer Cooled by Liquid Nitrogen、2001、IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 11, NO. 1
[3] K. Funaki, M. Iwakuma, M. Takeo, K. Yamafuji, J. Suehiro, M. Hara, M. Konno, Y. Kasagawa, I. Itoh, S. Nose, M. Ueyama, K. Hayashi, K. Sato、Preliminary tests of a 500 kVA-class oxide superconducting transformer cooled by subcooled nitrogen、1997、IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 7, NO. 2
[4] K. Funaki, M. Iwakuma, K. Kajikawa, M. Takeo, J. Suehiro, M. Hara, K. Yamafuji, M. Konno, Y. Kasagawa, K. Okubo, Y. Yasukawa, S. Nose, M. Ueyama, K. Hayashi, K. Sato、Development of a 500 kVA-class oxide-superconducting power transformer operated at liquid-nitrogen temperature、1998、Cryogenics, Vol. 38, No. 2

Related Researches

Category

Electricity & Electric Power
(Power System)
Electricity & Electric Power
(New Technology for Energy)

Events in World

1997
Hong Kong was handed over to China.
1997
Consumption tax rate was raised.
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