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Selection and Design of Soft-Start Resistance in EAST Fast Control Power Supply
Fusion Engineering and Design ( IF 1.7 ) Pub Date : 2021-07-01 , DOI: 10.1016/j.fusengdes.2021.112750
Haihong Huang , Libing Tan , Haixin Wang

To suppress the inrush current during the start of the rectifier circuit, the use of soft-start resistance is a conventional method, but the selection of its parameters lacks theoretical guidance. For the three-phase bridge uncontrollable rectifier circuit, combined with EAST (experimental advanced superconducting tokamak) fast control power supply, this paper analyzes the start-up process using soft-start resistance in detail and describes a selection method of soft-start resistance based on the resistance value and rated power. On the premise of maximizing the power density and ensuring the safety of the resistance, the soft-start process of the circuit has an appropriate start-up time and a lower inrush current. Simulations and experiments show that the soft-start resistance meets the selection requirements.

中文翻译:

EAST快控电源软启动电阻的选择与设计

为了抑制整流电路启动时的浪涌电流,使用软启动电阻是一种常规方法,但其参数的选择缺乏理论指导。针对三相桥式不可控整流电路,结合EAST(实验性先进超导托卡马克)快速控制电源,详细分析了采用软启动电阻的启动过程,描述了一种基于软启动电阻的选择方法。关于电阻值和额定功率。该电路的软启动过程在最大化功率密度和保证电阻安全的前提下,具有合适的启动时间和较低的浪涌电流。仿真和实验表明,软启动电阻满足选型要求。
更新日期:2021-07-01
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