Analysis and Design of the Iron Core as the Arc Snubber. in the EAST NBI System

Analysis and Design of the Iron Core as the Arc Snubber. in the EAST NBI System

A special winding iron-core is designed to act as the snubber for the neutral beam injection （NBI） power supply （PS） system in EAST, which will limit the fault current and energy caused by occasional sparking in the NBI ion source. 50-50 Ni-Fe is chosen as the high-frequency magnetization material f...

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Veröffentlicht in:Plasma science & technology 2010-06, Vol.12 (3), p.330-334
1. Verfasser: 黄懿贇 李伟 王俊傢 高阳 张健
Format: Artikel
Sprache:eng
Schlagworte:
Design engineering
Ion sources
Iron
Magnetization
Mathematical analysis
Miniature
Polystyrene resins
Power supplies
Snubbers
中性束注入系统
故障电流
核设计
电源供应器
磁化材料
缓冲器
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Zusammenfassung:A special winding iron-core is designed to act as the snubber for the neutral beam injection （NBI） power supply （PS） system in EAST, which will limit the fault current and energy caused by occasional sparking in the NBI ion source. 50-50 Ni-Fe is chosen as the high-frequency magnetization material for the iron-core. Equations for the snubber is derived from the design of the iron-core. The iron-loss factor and eddy-current losses are found to increase in a sample experiment at a frequency from 1 kHz to 20 kHz. A 1：10 miniature of the iron-core is tested and performs well with a fine capability.
ISSN:1009-0630
DOI:10.1088/1009-0630/12/3/17