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A voltage source type asymmetric pulse converter and its output pulse control method

A technology of pulse conversion and voltage source type, applied in the field of power electronics, can solve the problems of single pulse form and small application range

Inactive Publication Date: 2016-04-06
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a voltage source type asymmetric pulse converter, which solves the problem of single pulse form and small application range in the prior art

Method used

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  • A voltage source type asymmetric pulse converter and its output pulse control method
  • A voltage source type asymmetric pulse converter and its output pulse control method
  • A voltage source type asymmetric pulse converter and its output pulse control method

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with accompanying drawing.

[0050] The present invention provides a voltage source type asymmetric pulse converter, such as figure 1 As shown, it includes a first DC voltage source 1, a second DC voltage source 2, and a pulse converter circuit 3, wherein the pulse converter circuit 3 includes a switching tube Q1, a switching tube Q2, a switching tube Q3, a switching tube Q4, and a switching tube Q5, diode D1, diode D2, diode D3, diode D4, diode D5, the circuit structure is:

[0051] The anode of the first DC voltage source 1 is connected to the collectors of the switching tube Q1 and the switching tube Q3 respectively, and the negative pole of the first DC voltage source 1 is connected to the emitter of the switching tube Q2; the negative pole of the second DC voltage source 2 and The emitters of the switching tube Q3 are connected to each other, and the anodes of the second DC voltage source 2 are r...

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Abstract

The invention discloses a voltage source type asymmetric pulse converter, which belongs to the field of power electronic converters. The converter includes a DC voltage source (two) and a pulse converter circuit; the pulse converter circuit 3 is composed of 5 switching tubes and 5 diodes; the invention also discloses a control method for outputting pulses using the above-mentioned pulse converter , the present invention uses two DC voltage sources as input, and consists of 5 switching tubes and 5 diodes to form a pulse conversion circuit. By controlling the switching of the switching tubes, various pulse outputs can be realized. The structure is simple and the control is convenient, which overcomes the existing The pulse converter has the disadvantages of single output pulse form and small application range.

Description

technical field [0001] The invention belongs to the technical field of power electronics, and in particular relates to a voltage source type asymmetric pulse converter, and also relates to a control method for outputting pulses by using the above pulse converter. Background technique [0002] In recent years, pulse power supply has been more and more widely used in electroplating, environmental protection, welding, vacuum coating, EDM and other fields, especially in some special occasions, the advantages of pulse power supply are becoming more and more obvious, such as micro-arc oxidation pulse power supply , Magnetron sputtering pulse power supply, arc welding pulse power supply, etc. [0003] At present, most of the pulses generated by pulse converters used in pulse power supplies are unidirectional pulses or simple bidirectional pulses, and only a few of them can generate more complex pulses. For example, the patent publication number is: CN101125389, and the publication ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M9/02
Inventor 陈桂涛孙天乐孙强黄西平
Owner XIAN UNIV OF TECH
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