A Bipolar Pulse Generator Based on Inductive Isolation
Dong Shoulong1, 2, Wang Yilin1, Yu Liang1, Ma Jianhao1, 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
Abstract：Pulsed power technology has wide application in many fields, and higher requirements are put forward for the output parameters of pulse generator, including pulse voltage, pulse current, pulse width, repetition frequency and so on. In this paper, a novel scheme of adjustable polarity pulse generator topology based on induction isolation is proposed for the application of biomedical effect induced by pulsed electric field. Each module consists of a capacitor, two switches and an isolation transformer. The generator can output bipolar pulses by controlling the operating sequence of the switches, and the isolated transformer can isolate the potential changes at the same time. The results show that the basic principle of the pulse generator is still “parallel charging, serial discharge”. The generator can output bipolar rectangular pulse, and the pulse polarity, width and amplitude can be adjusted flexibly. The developed inductive isolation pulse generator can output a polarity adjustable pulse with an amplitude of ±6kV, a pulse width of 200~1 000ns and a rising edge of 10ns. In addition, the modular design can achieve higher parameter pulse by increasing the number of modules.
董守龙, 王艺麟, 余亮, 马剑豪, 姚陈果. 一种基于感应隔离的双极性脉冲发生器[J]. 电工技术学报, 2020, 35(24): 5050-5056.
Dong Shoulong, Wang Yilin, Yu Liang, Ma Jianhao, Yao Chenguo. A Bipolar Pulse Generator Based on Inductive Isolation. Transactions of China Electrotechnical Society, 2020, 35(24): 5050-5056.
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2020, Vol. 35 
