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High Boost DC Converter with Switched Inductor

A technology of DC converters and switching inductors, which is applied in the direction of converting DC power input into DC power output, adjusting electrical variables, and output power conversion devices. Effects of high voltage gain, improved efficiency, and reduced voltage stress

Inactive Publication Date: 2019-03-26
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a high boost DC converter with switched inductance, and solve the problem that the existing boost DC converter cannot meet the high gain requirements in industrial applications

Method used

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  • High Boost DC Converter with Switched Inductor
  • High Boost DC Converter with Switched Inductor
  • High Boost DC Converter with Switched Inductor

Examples

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Embodiment Construction

[0017] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0018] A high boost DC converter with switched inductors, such as figure 1 As shown, including the input DC voltage Vi, 4 inductors, 5 capacitors, 12 diodes and 2 MOSFET switches. The anode of the input DC voltage Vi is respectively connected with one end of the inductor L4, the anode of the diode D6 and the one end of the MOSFET switch S2; the cathode of the diode D6 is connected with one end of the capacitor C1 and the anode of the diode D7; The other end of the inductor L4 is respectively connected with the anode of the diode D5 and the other end of the capacitor C1; the cathode of the diode D7 is respectively connected with one end of the capacitor C2 and the anode of the diode D8; the cathode of the diode D8 is respectively connected with the capacitor C3 One end of the output diode Do is connected to the anode of the output diode Do; the ca...

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Abstract

The invention relates to a high step-up DC converter with switched inductors. The high step-up DC converter is technologically characterized by comprising an input DC voltage Vi, four inductors, five capacitors, 12 diodes and two MOSFET switching tubes which are connected together. The high step-up DC converter is reasonable in design, can realize high voltage gain, and meets the requirement for high gain in industrial application. The efficiency of the DC converter circuit is improved. The ripple of output DC voltage Vo is reduced. The cost performance of the DC converter circuit is improved. The high step-up DC converter can be widely used in the field of DC conversion.

Description

technical field [0001] The invention belongs to the technical field of direct current converters, in particular to a high boost direct current converter with switched inductance. Background technique [0002] In recent years, with the application of high-voltage DC switching power supplies, step-up DC / DC converters have become more and more popular in many industrial fields. According to the presence or absence of isolation, DC / DC converters can be divided into isolated and non-isolated converters. The isolated converter is to add the AC link to the basic DC-DC converter to achieve a higher voltage conversion rate. The AC link usually uses a transformer to isolate the input and output, so the converter is also called a direct-current converter. - AC-DC converter. Usually isolated DC converters are used in the following situations: (1) the output terminal and input terminal of the DC converter need to be isolated; (2) the ratio of the required output and input voltage is mu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/156H02M1/14
CPCH02M1/14H02M3/156
Inventor 李冬辉刘玲玲姚乐乐
Owner TIANJIN UNIV
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