A 7.8 kV nanosecond pulse generator with a 500 Hz repetition rate

A 7.8 kV nanosecond pulse generator with a 500 Hz repetition rate
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重复频率为 500 Hz 的 7.8 kV 纳秒脉冲发生器

DOI:
10.1088/1748-0221/13/04/p04004
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发表时间:
2018-04
影响因子:
1.3
通讯作者:
X.Sun
X.Sun
中科院分区:
工程技术4区
文献类型:
--
作者:
M. Lin;H. Liao;M. Liu;G. Zhu;Z. Yang;P. Shi;Q. Lu;X.Sun

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伪火花开关广泛应用于脉冲功率领域。在本文中,我们。介绍了一种500 Hz重复频率高压脉冲发生器的设计和性能。驱动tdi系列伪火花开关。高压脉冲是通过使用单个金属氧化物半导体场效应晶体管(MOSFET)作为控制开关的设置隔离变压器的初级绕组放电8f电容产生的。另外,有自断火花。间隙被用来使脉冲前变陡。该脉冲发生器可输出峰值触发电压为7.8 kV、峰值触发电流为63 a、全宽半宽(FWHM)的高压脉冲。为30ns,上升时间为5ns到伪火花开关的触发引脚。在突发模式下。运行时,发电机达到了500赫兹的重复频率。同时,我们也提供。用于加热H2储罐的交流加热器电源电路。这种脉冲发生器可用于电路中。tdi系列伪火花开关,阴极接地或阴极带电。浮动操作。文中详细介绍了电路的设计和实现。
Pseudospark switches are widely used in pulsed power applications. In this paper, we.present the design and performance of a 500 Hz repetition rate high-voltage pulse generator to.drive TDI-series pseudospark switches. A high-voltage pulse is produced by discharging an 8 F.capacitor through a primary windings of a setup isolation transformer using a single metal-oxidesemiconductor.field-effect transistor (MOSFET) as a control switch. In addition, a self-break spark.gap is used to steepen the pulse front. The pulse generator can deliver a high-voltage pulse with a.peak trigger voltage of 7.8 kV, a peak trigger current of 63 A, a full width at half maximum (FWHM).of 30 ns, and a rise time of 5 ns to the trigger pin of the pseudospark switch. During burst mode.operation, the generator achieved up to a 500 Hz repetition rate. Meanwhile, we also provide an.AC heater power circuit for heating a H2 reservoir. This pulse generator can be used in circuits.with TDI-series pseudospark switches with either a grounded cathode or with a cathode electrically.floating operation. The details of the circuits and their implementation are described in the paper.
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