High-effect large-current combination wave generating circuit

A large current and wave generation technology, applied in the direction of electrical components, output power conversion devices, etc., can solve the problems of high requirements for switching devices, increased complexity and cost, etc., and achieve high flexibility of circuit parameters, simple structure, and circuit Efficient and simple effect

Active Publication Date: 2017-01-25
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional combined wave generator obtains the corresponding waveform through the calculation of the RLC network, but it has high requirements for switching devices and requires high voltage and high energy storage capacitors, which undoubtedly increases the complexity and cost

Method used

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  • High-effect large-current combination wave generating circuit
  • High-effect large-current combination wave generating circuit

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The present invention is the capillary discharge of single gap to form the pulse power supply of plasma device, and its discharge circuit is as follows figure 1 As shown, the pulse voltage part outputs a pulse high voltage with an amplitude of 30kV and a leading edge of 280ns, the second energy storage capacitor C2 is 18uF, the charging voltage is 1200V, the capillary discharge channel is reliably broken down, and the second energy storage capacitor C2 passes through the breakdown The channel deposits energy into the capillary, forming jet plasma under the action of heat radiation and heat conduction.

Embodiment 2

[0032] The present invention is a trigger for a Trigatron gas switch, wherein the pulse voltage part outputs a pulse high voltage with an amplitude of 30kV and a leading edge of 280ns, the capacity of the second energy storage capacitor C2 is 18uF, and the charging voltage is 1200V; the trigger of the Trigatron gas switch When the gap distance is 1.5mm, the trigger is used for triggering, and the switch can work reliably under 4% working coefficient.

Embodiment 3

[0034] The present invention is a trigger for a Trigatron gas switch, among others. The output amplitude of the pulse voltage part is 30kV, the pulse high voltage of the leading edge is 280ns, the capacity value of the second energy storage capacitor C2 is 18uF, and the charging voltage is 2200V; when the trigger gap distance of the Trigatron gas switch is 1.5mm, this trigger is used for triggering. The switch can work reliably at 4% working coefficient, and the trigger has not been energized for a long time and there is no gap self-breakdown phenomenon.

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PUM

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Abstract

The invention discloses a high-effect large-current combination wave generating circuit, which comprises a pulse voltage circuit, a pulse current circuit, a through-flow diode and a load, wherein the pulse voltage circuit comprises a first charging power supply, a first energy storage capacitor, a crowbar diode, a pulse transformer, a through-flow diode and an isolation capacitor; the pulse current circuit comprises a second charging power supply and a second energy storage capacitor. The circuit can produce a large current, and is simple in structure and low in cost.

Description

technical field [0001] The invention belongs to the field of pulse power supply and electromagnetic compatibility, and in particular relates to a high-efficiency and large-current combined wave generating circuit. Background technique [0002] High-efficiency pulsed power sources have multiple applications in pulsed power technology as power sources. Trigatron gas switches are important components in pulsed power supply devices, and pulse transformers are often used for triggering. While the pulse transformer provides the required trigger voltage for the Trigatron gas switch, it also provides a certain trigger energy. [0003] With the in-depth research on the trigger breakdown mechanism of Trigatron gas switch at home and abroad, its theoretical results have been gradually improved. It is found that with the increase of the trigger voltage of the trigger source and the decrease of the leading edge, the working voltage range of the switch increases, the breakdown delay and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M9/04
CPCH02M11/00
Inventor 杨兰均马江波郭海山黄东
Owner XI AN JIAOTONG UNIV
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