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

HU Yixiang(呼义翔); ZENG Jiangtao(曾江涛); SUN Fengju(孙凤举); WEI Hao(魏浩); YIN Jiahui(尹佳辉); CONG Peitian(丛培天); QIU Aici(邱爱慈)

doi:10.1088/1009-0630/16/9/12

Plasma Science and Technology > 2014 > 16(9): 873-876. > DOI: 10.1088/1009-0630/16/9/12

HU Yixiang(呼义翔), ZENG Jiangtao(曾江涛), SUN Fengju(孙凤举), WEI Hao(魏浩), YIN Jiahui(尹佳辉), CONG Peitian(丛培天), QIU Aici(邱爱慈). Modeling Methods for the Main Switch of High Pulsed-Power Facilities Based on Transmission Line Code[J]. Plasma Science and Technology, 2014, 16(9): 873-876. DOI: 10.1088/1009-0630/16/9/12

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

1 State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Xi’an 710024, China 2 Northwest Institute of Nuclear Technology, Xi’an 710024, China

Funds: supported by National Natural Science Foundation of China (Nos. 51307141, 51077111) and by the State Key Laboratory Founda- tional Research Funds of China (Nos. SKLIPR1302Z, SKLIPR1306)

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Received Date: October 30, 2013

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Abstract

Abstract

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 numerically 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.
- transmission line code (TLCODE),
- main switch,
- dynamic inductance,
- dynamic resistance

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References (16)

References

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