An Efficient Boost Chopper Integrated With Cryogenic MOSFETs and HTS Inductor

被引：11

作者：

Chen, Xiao Yuan ^{[1
]}

Jin, Jian Xun ^{[2
]}

Tang, Mian Gang ^{[1
]}

Feng, Juan ^{[1
]}

Luo, Hong Yan ^{[1
]}

Li, Lin Yu ^{[1
]}

Xu, Qiang ^{[1
]}

Zou, Hui Lin ^{[1
]}

机构：

[1] Sichuan Normal Univ, Sch Engn, Chengdu 610101, Peoples R China

[2] Tianjin Univ, Ctr Appl Superconduct, Sch Elect Engn & Automat, Tianjin 300072, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2016年 / 26卷 / 07期

关键词：

Cryogenic chopper; cryogenic MOSFET; critical current; ferromagnetic disk; HTS inductor;

D O I：

10.1109/TASC.2016.2599112

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel efficient boost chopper integrated with two cryogenic metal-oxide semiconductor field-effect transistors (MOSFETs) and one high-temperature superconducting (HTS) inductor is presented. State-of-the-art CoolMOS MOSFETs are introduced and immersed in liquid nitrogen to save about 85% of conduction losses. Considering the anisotropy of gadolinium barium copper oxide (GdBCO) tapes, ferromagnetic disks with raised edges are optimized to enhance the critical current and reduce the hysteresis loss of the HTS smoothing inductor. As compared to the conventional boost chopper composed of ambient-temperature power electronics and a copper inductor, the total operational loss from the cryogenic MOSFETs and the HTS inductor in the proposed cryogenic boost chopper is reduced by 87% in the case of a 40-kW chopper.

引用

页数：6

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