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Title: Flywheel induction motor-generator for magnet power supply in small fusion device

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.4945799· OSTI ID:22597130
; ;  [1]
  1. Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550 (Japan)

A flywheel motor-generator (MG) for the toroidal field (TF) coils of a small fusion device was developed which utilizes a commercially available squirrel-cage induction motor. Advantages of the MG are comparably-long duration, quick power response, and easy implementation of power control compared with conventional capacitor-type power supply. A 55-kW MG was fabricated, and TF coils of a small fusion device were energized. The duration of the current flat-top was extended to 1 s which is much longer than those of conventional small devices (around 10–100 ms).

OSTI ID:
22597130
Journal Information:
Review of Scientific Instruments, Vol. 87, Issue 4; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
Country of Publication:
United States
Language:
English

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