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High-voltage pulse power supply for generation of plasmas through liquid phase discharge

A high-voltage pulse power supply and plasma technology, which is applied in the direction of electric pulse generator circuit and energy storage element to generate pulses, can solve the problems of short life of high-voltage fast pulse source, low working voltage, instability, etc., and improve energy transmission efficiency , high input impedance and fast switching speed

Active Publication Date: 2017-09-29
CHENGDU KEHENG ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0006] The purpose of the present invention is to: aim at the problems existing in the prior art, to provide a high-voltage pulse power supply for liquid-phase discharge to generate plasma, to solve the problem of short life, instability, high noise, and single-tube operating voltage of the existing high-voltage fast pulse source. lower question

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  • High-voltage pulse power supply for generation of plasmas through liquid phase discharge
  • High-voltage pulse power supply for generation of plasmas through liquid phase discharge
  • High-voltage pulse power supply for generation of plasmas through liquid phase discharge

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Embodiment

[0026] The invention provides a high-voltage pulse power supply for generating plasma by liquid-phase discharge, such as figure 1 As shown, the pulse power supply mainly includes three parts:

[0027] The first part is the DC high-voltage generating circuit. This part is mainly composed of three parts: a voltage-regulating rectifier circuit, a low-voltage inverter circuit and a pulse boost circuit. Its main function is to provide an adjustable high-voltage source for the entire system. The voltage regulating and rectifying circuit includes a commercial frequency power supply and a phase shifter, the low-voltage inverter circuit includes an isolation transformer, a trigger and a thyristor, and the pulse boosting circuit includes a rectifying output circuit. The silicon controlled rectifier is the core component in the voltage regulating circuit of the DC high voltage generating circuit. Using a variable resistor to change the conduction angle of the silicon controlled rectifier...

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Abstract

The present invention provides a high-voltage pulse power supply for generation of plasmas through liquid phase discharge. The pulse power supply comprises a direct-current high-voltage generation circuit, a high-voltage inversion main circuit and a high-circuit inversion control circuit, the high-voltage source output end of the direct-current high-voltage generation circuit is connected with the power supply input end of the high-voltage inversion main circuit, the high-circuit inversion control circuit is connected with the control end of the high-voltage inversion main circuit, and a power switch device in the high-voltage inversion main circuit is formed by connection in series of a plurality of power IGBT tubes. The high-voltage pulse power supply for generation of plasmas through liquid phase discharge is long in life, stable and small in noise, etc.

Description

technical field [0001] The invention relates to liquid-phase discharge technology and high-voltage power supply technology, in particular to a high-voltage pulse power supply for liquid-phase discharge to generate plasma. Background technique [0002] The research on pulse source technology in foreign countries has started very early, and the high-voltage fast pulse technology originated from the needs of the development of nuclear physics experiments, radar, radio communication technology and computer technology. At present, high-voltage fast pulse sources are widely used in various fields. Due to the different characteristics of the application objects, the requirements for the pulse source are different. For example, the nanosecond-level high-voltage fast pulse source commonly used in the laser system mainly has two research directions: one is the electric vacuum device with secondary electron emission tube, discharge gap switch, trigger The main research is how to incre...

Claims

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Application Information

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IPC IPC(8): H02M9/04
CPCH03K3/57Y02B70/10
Inventor 张克江罗彬吴树林
Owner CHENGDU KEHENG ENVIRONMENTAL PROTECTION TECH
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