Development of a High-Stability Flat-Top Pulsed Magnetic Field Facility

Author

Houxiu Xiao ; Yue Ma ; Yiliang Lv ; Tonghai Ding ; Song Zhang ; Fei Hu ; Liang Li ; Yuan Pan

Author_Institution

Coll. of Electr. & Electron. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China

Volume

29

Issue

9

fYear

2014

fDate

Sept. 2014

Firstpage

4532

Lastpage

4537

Abstract

A high stability flat-top pulsed magnetic field has both high field strength and high field stability simultaneously, which can be used for the high precision scientific experiments. In this paper, we present such a high stability flat-top pulsed magnetic field facility developed in the Wuhan National High Magnetic Field Center. A passive bypass circuit is developed to regulate current up to tens of thousands amperes, as well as a 25 T/200 ms flat-top pulsed magnetic field with a ripple of 250 ppm (0.025%). The main circuit scheme of the facility as well as the preliminary experimental results will be presented in this paper.

Keywords

magnetic field measurement; passive networks; high field stability; high field strength; high-stability flat-top pulsed magnetic field facility; passive bypass circuit; Batteries; Circuit stability; Insulated gate bipolar transistors; Magnetic circuits; Magnetic fields; Magnetic flux; Resistance; Bypass circuit; PWM; flat-top pulsed magnetic field; high precision scientific experiments; high stability; ppm;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/TPEL.2013.2285125

Filename

6632936