Test results of a HTS power transformer connected to a power grid

H. Kimura, K. Honda, H. Hayashi, K. Tsutsumi, Masataka Iwakuma, K. Funaki, T. Bohno, A. Tomioka, Y. Yagi, H. Maruyama, K. Ohashi

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A 22 kV/6.9 kV-1 MVA high-Tc superconducting (HTS) power transformer has been developed as a prototype with single-phase part of a 3 MVA HTS power transformer. The prototype unit is cooled by a continuous subcooled liquid nitrogen (LN2) supply system with cryocoolers. During the field tests, the HTS transformer was connected to a distribution line at Imajuku substation (Kyushu Electric Power Co., Inc.) in Fukuoka, and inrush-current test and a long-term operation test were implemented. The test results demonstrated the HTS power transformer's applicability to a power grid.

Original languageEnglish
Pages (from-to)1694-1697
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume372-376
Issue numberPART 3
DOIs
Publication statusPublished - Aug 1 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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