A Nanosecond High Voltage Steep Pulse Generator
A technology of generator and steep pulse, applied in the field of nanosecond high-voltage steep pulse generator, to achieve the effect of flexible and controllable pulse amplitude
Active Publication Date: 2019-01-15
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology
At home and abroad, there are few studies on the surface charge characteristics of vacuum insulators under nanosecond pulses. Therefore, in order to study the surface charging of vacuum insulators under nanosecond pulses, it is necessary to develop a nanosecond high-voltage steep pulse generator.
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Embodiment Construction
[0014] The present invention provides a nanosecond-level high-voltage steep pulse generator, which will be described below in conjunction with the accompanying drawings.
[0015] figure 1 Shown is a schematic diagram of a nanosecond-level high-voltage steep pulse generator. The nanosecond-level high-voltage steep pulse generator in the figure consists of a power supply part, a forming line, an air gap switch and a test chamber connected in series; the air gap switch is respectively connected to the capacitor voltage divider and the matching resistor, and the air gap switch is installed on the top of the test chamber .
[0016] The power supply part is composed of a pressurized console, a power frequency transformer and a Marx generator (modified by a 1100kV impulse voltage generator) in series, and then connected to the forming line; the main function is to generate front-end pulses, charge the forming line, and realize triggering Control of times and trigger time.
[0017]...
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The invention discloses a nanosecond-level high-voltage steep-sided pulse generator and belongs to the field of a high-voltage pulse generation technology. The nanosecond-level high-voltage steep-sided pulse generator is mainly formed by connecting a power supply portion, a formation wire, an air gap switch and a matched resistor in series, wherein the air gap switch is respectively connected with a capacitor voltage divider and the matched resistor and is installed in a test cavity. By using the nanosecond-level high-voltage steep-sided pulse generator, nanosecond-level high-voltage steep-sided pulses can be generated, output pulse rising edges can be within 10ns, the pulse width is about 100ns, the pulse amplitude is flexibly controllable, and voltage withstanding intensity of the whole apparatus is 100kV; and the nanosecond-level high-voltage steep-sided pulse generator has quite great significance on research into the surface live-line condition of a vacuum insulator under the condition of nanosecond pulses.
Description
technical field [0001] The invention belongs to the technical field of high-voltage pulse generation, in particular to a nanosecond-level high-voltage steep pulse generator. Background technique [0002] In recent years, with the rapid development of high-voltage pulse power technology and electromagnetic pulse technology, its application scope has become more and more extensive. Many large-scale high-precision equipment, such as narrow-pulse high-power microwave sources, high-current beam accelerators, etc. To reduce the volume and weight of equipment while ensuring efficiency, the requirements for pulse power technology are getting higher and higher, not only high voltage and high current, but also narrower and narrower pulse width requirements. In medicine, nanosecond pulse voltage has received extensive attention, and it is used to remove patient tumors, etc., and is closely related to human life and health. In these high-precision equipment for nanosecond pulse applica...
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IPC IPC(8): H03K3/02
Inventor 齐波高春嘉孙泽来李成榕
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)