All-solid-state Bipolar High Voltage Nanosecond Pulse Adder with Output Parameters Adjustable

2019 IEEE Pulsed Power & Plasma Science (PPPS) Pub Date : 2019-06-01 DOI:10.1109/PPPS34859.2019.9009673

Yonggang Wang, Min Jiang, Jinxing Xie, Yifan Huang, P. Chu

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引用次数: 1

Abstract

Nanosecond high voltage pulse generators are widely used in dielectric barrier discharge, plasma jet, corona discharge in water, et al. In this paper, a novel bipolar pulse adder with output parameters adjustable is proposed. Several full bridge units are connected in series, and the storage capacitor in each unit is charged individually by a high-frequency resonant power supply. The charging process is analyzed. The influence of balance windings on voltage difference between storage capacitors is also studied. The results show that voltage difference changes with switching frequency. Without the balance windings, voltage unbalance is small at the switching frequency from 20 to 30 kHz. Optic fibers, together with gate drivers, are used to drive the Insulated-Gate Bipolar Transistors (IGBTs). Each switch can be turned on or off independently to change the rise/falling time. Finally, a 6-stage prototype has been developed in laboratory, which can generate bipolar pulses with amplitude, repetition rate, pulse width, and rise/falling time adjustable independently.

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输出参数可调的全固态双极高压纳秒脉冲加法器

纳秒级高压脉冲发生器广泛应用于介质阻挡放电、等离子体射流、水中电晕放电等领域。本文提出了一种输出参数可调的新型双极脉冲加法器。几个全桥单元串联起来，每个单元中的存储电容由高频谐振电源单独充电。对充电过程进行了分析。研究了平衡绕组对电容器间电压差的影响。结果表明，电压差随开关频率的变化而变化。在没有平衡绕组的情况下，开关频率在20 ~ 30 kHz范围内，电压不平衡很小。光纤与栅极驱动器一起用于驱动绝缘栅双极晶体管(igbt)。每个开关都可以独立打开或关闭，以改变上升/下降时间。最后，在实验室开发了一个6级样机，该样机可以产生幅度、重复率、脉冲宽度和上升/下降时间独立可调的双极脉冲。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 IEEE Pulsed Power & Plasma Science (PPPS)

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