Modeling Methods for the Main Switch of High Pulsed-Power Facilities Based on Transmission Line Code

Based on the transmission line code （TLCODE）, a circuit model is developed here for analyses of main switches in the high pulsed-power facilities. With the structure of the ZR main switch as an example, a circuit model topology of the switch is proposed, and in particular, calculation methods of the...

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Bibliographic Details
Published in:Plasma science & technology 2014-09, Vol.16 (9), p.873-877
Main Author: 呼义翔 曾江涛 孙凤举 魏浩 尹佳辉 丛培天 邱爱慈
Format: Article
Language:English
Subjects:
Circuits
Electric potential
Mathematical analysis
Mathematical models
Matlab
Matlab程序
Switches
Transmission lines
Voltage
主开关
建模方法
离散方程
线路码
脉冲功率
设备
输电
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Description
Summary:Based on the transmission line code （TLCODE）, a circuit model is developed here for analyses of main switches in the high pulsed-power facilities. With the structure of the ZR main switch as an example, a circuit model topology of the switch is proposed, and in particular, calculation methods of the dynamic inductance and resistance of the switching arc are described. Moreover, a set of closed equations used for calculations of various node voltages are theoretically derived and numericMly discretized. Based on these discrete equations and the Matlab program, a simulation procedure is established for analyses of the ZR main switch. Voltages and currents at different key points are obtained, and comparisons are made with those of a PSpice L-C model. The comparison results show that these two models are perfectly in accord with each other with discrepancy less than 0.1%, which verifies the effectiveness of the TLCODE model to a certain extent.
ISSN:1009-0630
DOI:10.1088/1009-0630/16/9/12