ICRF system efficiency

被引：2
|
作者：
Faugel, H. [1 ]
Bobkov, V [1 ]
Fuenfgelder, H. [1 ]
Noterdaeme, J. M. [1 ,2 ]
Messiaen, A. [3 ]
Van Eester, D. [3 ]
机构：
[1] EURATOM, Max Planck Inst Plasmaphys, Garching, Germany
[2] Univ Ghent, Appl Phys Dept, Ghent, Belgium
[3] LPP ERM KMS, Brussels, Belgium
来源：
FUSION ENGINEERING AND DESIGN | 2020年 / 156卷
关键词：
heating; current drive; ICRF; ICRH; efficiency;
D O I：
10.1016/j.fusengdes.2020.111641
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The efficiency of heating and current drive systems is one of the key parameters for a successful operation of fusion demonstration power plants like DEMO. In an earlier review article, overall plug efficiencies of H & CD systems were estimated at 20 - 30 % Bradley a al.. We present here a detailed breakdown based where possible on experimental data for the overall efficiency (plug to power in plasma) of ICRF (ion cyclotron range of frequencies) systems: 1) the technical efficiencies (RF generator, transmission lines, losses in antenna); 2) the interface efficiency (hardware/ plasma) and 3) heating efficiency (absorption in plasma). This leads currently to an overall efficiency for heating in the range 40% to 55%. Future improvements can lead to an overall efficiency of up to 69 %. In a second step we address the current drive efficiency (in terms of kA/MW absorbed).
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页数：4
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