An Adjustable Polarity High Frequency Blumlein Pulse Forming Line Power Modulation Module with Boost Mode
He Yingjiang1, Yu Liang1, Ma Jianhao1, Dong Shoulong1,2, Yao Chenguo1
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400030 China;
2. Electrical Engineering Postdoctoral Mobile Station Chongqing University Chongqing 400030 China
With the development of pulse power technology in new particle accelerators, biological cell experimental instruments and other fields, higher requirements are put forward for pulse power generators with high repetition frequency, short pulse and flexible adjustment of pulse parameters. This paper studies a new power conversion module circuit topology composed of an LC oscillating boost unit and a Blumlein line unit. The multi-switch timing logic is used to adjust the output waveform parameters. Compared with the traditional Blumlein line, it can obtain output pulse frequency several times the switching frequency while retaining the advantages of short pulse forming. In addition, the output voltage amplitude is several times the DC source voltage, and the polarity and interval time of the output pulse are flexibly adjusted. At the same time, the working principle of the circuit is explained by the time domain analysis of the dynamic circuit and the analysis of the transmission line wave process, and is verified by circuit simulation. Moreover, a principle prototype is built using RF MOSFET switch and coaxial cable. When the load is matched, the output pulse frequency is 1MHz at the switching frequency of 500kHz, and the output pulse voltage amplitude is 4 times the DC supply voltage with 20ns pulse width.
何映江, 余亮, 马剑豪, 董守龙, 姚陈果. 一种升压模式的可调极性高频Blumlein脉冲形成线功率调制模块[J]. 电工技术学报, 2021, 36(2): 425-434.
He Yingjiang, Yu Liang, Ma Jianhao, Dong Shoulong, Yao Chenguo. An Adjustable Polarity High Frequency Blumlein Pulse Forming Line Power Modulation Module with Boost Mode. Transactions of China Electrotechnical Society, 2021, 36(2): 425-434.
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2021, Vol. 36 
