High-voltage repetition-frequency pulse generator

A repetition frequency pulse generator technology, applied in the field of high voltage repetition frequency pulse generator, to achieve the effect of steep frontier and high amplitude

Inactive Publication Date: 2011-07-27
NORTHWEST INST OF NUCLEAR TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult for common high-voltage pulse generators to output high-amplitude, fast-leading-edge, and low-jitter electrical pulses under repetition rate conditions

Method used

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  • High-voltage repetition-frequency pulse generator

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] figure 1 It is the schematic circuit diagram of the present invention.

[0016] figure 2 It is a vertical cross-sectional structural diagram of a specific discharge cell of the present invention.

[0017] 1. In order to make the leading edge of the output electric pulse steeper, the parameters of each component are reasonably selected. The energy storage capacitor 3 is selected as a 6nF low-inductance ceramic capacitor; the impedance of the output cable 4 is selected as 75Ω, and the length is 10 meters; the grounding resistor 7 is A plurality of film resistors with a resistance value of 250Ω after parallel connection; the return cylinder 11 is designed to surround the hydrogen thyratron, the energy storage capacitor and the exposed part of the output cable, and the discharge unit is minimized under the premise of meeting the insulation require...

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Abstract

The invention relates to a high-voltage repetition-frequency pulse generator which comprises a high-voltage power supply, a charging resistor, an energy storage capacitor, an output cable, a switch, a ground resistor, a ground connecting plate and an insulating support; and the high-voltage repetition-frequency pulse generator is characterized in that a hydrogen thyratron is adopted as the switch; backflow tubes are arranged on the exposed parts of the hydrogen thyratron, the energy storage capacitor and the output cable; the high-voltage end of the energy storage capacitor is directly connected with the switch of the hydrogen thyratron; the low-voltage end of the energy storage capacitor penetrates the insulating support by utilizing a screw and then is connected with the ground resistorthrough the ground connecting plate; and the other end of the ground resistor is connected with the ground potential. The high-voltage repetition-frequency pulse generator is mainly characterized by fast rise time (25ns), high amplitude (50kv), low jitter (3ns), capability of running stably at a repeated frequency, high front edge steep and amplitude of the output pulse, capability of being used for pre-stage triggering of a pulse power source, and capability of being used as a fast pulse source experimental platform for research on insulating characteristic of materials.

Description

technical field [0001] The invention relates to a high-voltage repetitive frequency pulse generator, which is mainly characterized by fast leading edge (25ns), high amplitude (50kV) and low jitter (3ns). Background technique [0002] Repetition frequency operation is one of the important directions for the development of pulse power technology. For example, pumping excimer laser, high-power microwave, and future inertial confinement fusion energy all require pulse power devices to have a certain repetition frequency capability. As the trigger system of the pulse power device, the high-voltage pulse generator plays an important role in triggering the device. The main parameters of the high-voltage pulse generator include the amplitude of the output pulse, the rate of rise, the time delay of the output pulse and its jitter, and also include the stability and reliability of the high-voltage pulse generator. Generally, the higher the amplitude of the high-voltage pulse and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K3/02
Inventor 尹佳辉曾江涛孙凤举张众魏浩梁天学刘志刚姜晓峰王志国
Owner NORTHWEST INST OF NUCLEAR TECH
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