Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session TP11: Poster Session VII: In-Person, Hall A (9:30-11:00am) and Virtual Poster Presentations (11:15am-12:30pm)
MFE: FRC, RFPs etc
ICF: Fast Ignition; Diagnostics; Computational; Laser Plasma Interactions
FUND: Computation
9:30 AM - 12:30 PM
Thursday, October 20, 2022
Room: Exhibit Hall A and Online
Abstract: TP11.00028 : Feedback Control of the C-2W Field Reversed Configuration
Presenter:
Jesus Romero
(Tri Alpha Energy)
Authors:
Jesus Romero
(Tri Alpha Energy)
Colin Finucane
(TAE Technologies, Inc.)
Sergei Galkin
(TAE Technologies, Inc.)
Kevin Phung
(TAE Technologies, Inc.)
Thomas Roche
(TAE Technologies, Inc.)
Erik Trask
(TAE Technologies, Inc.)
Collaboration:
the TAE Team
C-2W has demonstrated that it is possible to confine and sustain in steady state an elongated FRC plasma with magnetic feedback control, for as long as the power supplies can maintain it. Large volume FRC plasmas have superior thermal confinement properties but require elongating the plasma to the point where it becomes axially unstable. High frequency, low latency magnetic control is used in C-2W to stabilize the plasma position in real time using radial magnetic fields.
A set of electrodes intersecting with the SOL at both ends of the device are electrically biased at high voltage to stabilize low order global modes. The biassing system is feedback controlled to apply appropriate voltage on electrodes as well as to protect them against over current / arcs.
This work discloses the design and status of the C-2W plasma control system illustrated with recent experimental results.
[1] H. Gota et al., Nucl. Fusion 61, 106039 (2021)
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