Output power limit of 200 MW class brushless superconducting generator excited with magnetic flux-pump

Author

Tsukiji, H. ; Hoshino, T. ; Muta, I.

Author_Institution

Saga Univ., Japan

Volume

11

Issue

1

fYear

2001

fDate

3/1/2001 12:00:00 AM

Firstpage

2335

Lastpage

2338

Abstract

A study on excitation system would be important to enhance potentials of superconducting AC generators. The authors have fabricated a 20 kW class fully superconducting machine with the brushless excitation system which consists of a magnetic flux-pump. By many tests of power generation using this machine, they have investigated theoretically and experimentally the feasibility of the brushless superconducting generator and magnetic flux-pump. Based on these results, this paper proposes the conceptual design and electric characteristics of a practical scale flux pump for an exciter system of a 200 MW class superconducting generator (Super-GM). Furthermore, the paper presents a comparison of output power limits for such as different excitation methods; a persistent field current mode and a conventionally adjusting field current mode

Keywords

AC generators; brushless machines; exciters; machine testing; machine theory; magnetic flux; pumps; superconducting machines; 20 kW; 200 MW; Super-GM; adjusting field current mode; brushless superconducting AC generator; conceptual design; magnetic flux-pump excitation; output power limit; persistent field current mode; practical scale flux pump; AC generators; Character generation; Magnetic flux; Persistent currents; Power generation; Research and development; Superconducting coils; Superconducting filaments and wires; Superconducting magnets; Testing;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.920329

Filename

920329