Device and method for generating bipolar nanosecond high-voltage narrow pulses

Abstract

The invention relates to a device and a method for generating high-voltage pulses, in particular to a device and a method for generating bipolar nanosecond high-voltage narrow pulses. The invention solves the problems of high inductance, serious oscillation, very high tailing voltage and unstable peak value of a working circuit of a bipolar high-voltage pulse power supply in the prior art. The technical scheme is that: the device comprises a direct current high-voltage circuit module, a synchronous trigger control circuit module, a positive pulse forming circuit module, a negative pulse forming circuit module, and a high-voltage pulse synthesizing circuit module. The device and the method are applied to design circuits of high-voltage narrow pulse power supplies in the fields of desulphurization and denitrification, volatile organic compounds (VOCs) removal, material surface modification and the like.

Description

technical field [0001] The invention relates to a high-voltage pulse generating device and method, in particular to a bipolar nanosecond high-voltage narrow pulse generating device and method for generating bipolar nanosecond high-voltage narrow pulses. Background technique [0002] As an energy supply device, high-voltage pulse power supply has been widely used in fields such as desulfurization and denitrification, VOCs removal, and changes in physical and chemical properties of material surfaces. Researchers have done in-depth research on the relationship between the rising edge, pulse width, pulse polarity and other waveform parameters of the high-voltage pulse output by the high-voltage pulse power supply and the processing effect of the processed object, and obtained many research conclusions. There are many kinds of harmful substances in waste water and waste gas. Some substances are more sensitive to the polarity of the corona pulse. The narrower the pulse width and t...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of large working loop inductance, serious oscillation, high tail voltage and unstable peak value in the prior art, and provide a hydrogen thyratron as the main discharge switch, which utilizes The bipolar high-voltage pulse power supply of the bipolar high-voltage nanosecond narrow pulse generating device synthesized by positive and negative narrow pulses can improve the working efficiency of the bipolar high-voltage pulse power supply, generate nanosecond-level high-voltage narrow pulses, reduce loop inductance, reduce oscillation, Eliminates tailing voltage

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