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Plasma current position measurements in the Korea Superconducting Tokamak Advanced Research device
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10.1063/1.3079781
/content/aip/journal/pop/16/3/10.1063/1.3079781
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3079781
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Layout of magnetic probes and flux loops in a poloidal cross section of the KSTAR vacuum vessel.

Image of FIG. 2.
FIG. 2.

Toroidal geometry for the integrals.

Image of FIG. 3.
FIG. 3.

The simulation test of the current position measurement algorithm without the magnetic probe measurements in the midplane: The blank rectangle is the given current position and the cross is the position calculated by the iteration method. The size of the rectangle is 0.02 m. The measurement accuracy is within 0.01 m except for the extreme position on the lower inside. There is no cross when the algorithm fails.

Image of FIG. 4.
FIG. 4.

The experimental result for shot 1216: (a) ECH power, (b) the plasma current, (c) the plasma radial position, and (d) the plasma vertical position.

Image of FIG. 5.
FIG. 5.

CCD images of KSTAR plasma (a) at 0.005 s, (b) at 0.011 s, (c) at 0.524 s, (d) at 0.62 s, and (e) at 0.715 s.

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/content/aip/journal/pop/16/3/10.1063/1.3079781
2009-03-03
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Plasma current position measurements in the Korea Superconducting Tokamak Advanced Research device
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3079781
10.1063/1.3079781
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