Transactions of China Electrotechnical Society  2021, Vol. 36 Issue (zk1): 54-61    DOI: 10.19595/j.cnki.1000-6753.tces.L90545
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Trigger Strategy of Pulsed Power Supply Based on the Semi-Analytical Model of Sequentially-Triggered Power Units
Peng Zhiran, Liu Hua, Wang Guangsen, Zhai Xiaofei, Zhang Xiao
National Key Laboratory of Science and Technology on Vessel Integrated Power System Naval University of Engineering Wuhan 430033 China

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Abstract  The pulsed power supply of the electromagnetic rail launcher is usually composed of several pulse power units. The trigger strategy of the pulsed power supply must be designed before launching, that is, the capacitor voltage and discharge time sequence of each unit should be set. This process usually requires manual trial and error, which is time-consuming. In order to solve this problem, a semi-analytical model of sequentially-triggered power units is built in this paper. The simulation time was reduced from 37s to 0.19s compared with the model built by commercial software Simplorer. Furthermore, an automatic solution method for the trigger strategy of pulsed power supply is proposed. Using this method, the optimal trigger strategy of power supply can be worked out according to different working conditions, and the ideal current waveform can be obtained. Based on this method, three trigger strategies are obtained, the initial voltage, the number of input modules, the exit velocity and the launch efficiency are compared and analyzed.
Key wordsElectromagnetic rail launcher      pulsed power supply      trigger strategy      optimal design     
Received: 21 July 2020     
PACS: TM153+.2  
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Peng Zhiran
Liu Hua
Wang Guangsen
Zhai Xiaofei
Zhang Xiao
Cite this article:   
Peng Zhiran,Liu Hua,Wang Guangsen等. Trigger Strategy of Pulsed Power Supply Based on the Semi-Analytical Model of Sequentially-Triggered Power Units[J]. Transactions of China Electrotechnical Society, 2021, 36(zk1): 54-61.
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