A Saturable Pulse Transformer Based on Nanocrystalline Magnetic Cores for an Adjustable Nanosecond High-Voltage Generator

被引：7
|
作者：
Degnon, Mawuena R. [1 ]
Gusev, Anton I. [1 ]
de Ferron, Antoine Silvestre [1 ]
Pecastaing, Laurent [1 ]
Baranov, Aleksandr [2 ]
Mielot, Christophe [2 ]
Boisne, Sebastien [2 ]
Barnes, Michael J. [3 ]
Senaj, Viliam
Kramer, Thomas
Novac, Bucur M. [1 ,4 ]
机构：
[1] Univ Pau & Pays Adour, SIAME Lab, E2S UPPA, F-64000 Pau, France
[2] ITOPP ALCEN, F-46500 Thegra, France
[3] CERN, CH-1211 Geneva, Switzerland
[4] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, Loughborough LE11 3TU, England
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2023年 / 51卷 / 10期
关键词：
Nanocrystalline magnetic core; pulsed power systems; saturable pulse transformer (SPT); semiconductor opening switch (SOS); INDUCTIVE ENERGY-STORAGE; POWER; COMPACT; COMPRESSOR;
D O I：
10.1109/TPS.2023.3284657
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
This article is devoted to saturable pulse trans-formers (SPTs), combining the functions of a pulse transformer and a magnetic switch. Two nanocrystalline magnetic cores are investigated in the SPT of an inductive energy storage (IES) pulsed power system based on a semiconductor opening switch (SOS). The first magnetic core has a square hysteresis loop (Br/Bsat > 90%), while the second core has a flat hysteresis loop (Br/Bsat similar to 4%). A test bench with an initially stored energy of 10 J is developed. The circuit design is discussed, and the magnetic materials are compared. Based on the features of the hysteresis loops, two nanosecond high-voltage (HV) SOS generators are tested, with the output voltage adjusted by tuning the input voltage and controlling the bias magnetic field. The influence of the optimal core saturation on the operation of the SOS diode is studied. An adjustable output voltage impulse of more than 200 kV amplitude with a 16 ns rise time is demonstrated on a 1 kO resistive load.
引用
收藏
页码：2849 / 2857
页数：9
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