NDLI: Magnetic characteristics of saturable pulse transformer in magnetic pulse compression system

Content Provider	IEEE Xplore Digital Library
Author	Dongdong Zhang Ping Yan Jue Wang Yuan Zhou
Copyright Year	2009
Description	Author affiliation: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, CHINA (Dongdong Zhang; Ping Yan; Jue Wang; Yuan Zhou)
Abstract	Saturable pulse transformer (SPT) is finding increased use in Magnetic Pulse Compressor (MPC). SPTs are fabricated from ferromagnetic amorphous metal alloy ribbons. And the magnetic characteristics of these amorphous metals are discussed in relation to optimizing the performance of SPTs in such applications. To evaluate the magnetic performance of the magnetic core, a ‘1-cosine’ waveforms test stand is designed and built. The test stand is able to operate at modest repetition rates. The magnetization rates achieved in the experiments extend from 0.8 to 2.5 T/µs, corresponding to saturation times from 1 to 4 µs. The current through the core is calculated by voltage across the resistive load, and the loop voltage is picked up with a single wire loop and integrated by software. B-H curves are derived from the measured voltage and current waveforms. Comparisons are presented for two Metal-glass cores which one is Mylar-insulated and the other not. Of the Mylar insulated core the trend is clear that increasing the packing factor, corresponding to increasing the winding tension, and more material in the core, tended to reduce the usable volt-second area and the eddy current loss together. Formulas are given for selecting core dimensions for IGBT switch protection. Finally, more practical energy transfer in SPT and the effects of leakage current are presented by applying custom characteristics to a two-stage MPC in Pspice simulation.
Starting Page	623
Ending Page	626
File Size	625381
Page Count	4
File Format	PDF
ISBN	9781424440641
DOI	10.1109/PPC.2009.5386352
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse transformers Pulse compression methods Amorphous magnetic materials Saturation magnetization Voltage Magnetic materials Photonic crystals Amorphous materials Magnetic cores Testing
Content Type	Text
Resource Type	Article

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