Safe and efficient access to ELM suppression in KSTAR using low-n edge localized RMP

S Yang, JK Park, N Logan, YM Jeon… - APS Division of …, 2022 - ui.adsabs.harvard.edu
An edge localization of 3D fields proposes a unique path of a 3D field to safely access the
ELM-suppressed High confinement mode (H-mode) from low confinement mode (L-mode)
phases with improved plasma performance. Such an edge-localized resonant magnetic
perturbation (ERMP)[1] is essential to minimize disruptive core components of low-n RMP
while maintaining its efficiency in ELM suppression for the entire period of H-mode. The core
reduction in ERMP also expands the ELM suppression window, increasing the safety margin …
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