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Wide-range gain converter

A technology of converters and power converters, applied in high-efficiency power electronic conversion, output power conversion devices, instruments, etc., can solve the problem of high cost

Pending Publication Date: 2020-12-01
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, power conversion can be costly in terms of component size, expenditure, noise introduction, power dissipation, thermal load, etc.
Converters positioned near the electronic device application (so-called point-of-load (POL) converters) may be even more susceptible to these challenges

Method used

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Embodiment Construction

[0015] The detailed description set forth below is intended as a description of various embodiments and is not intended to represent the only embodiments in which the inventive techniques may be practiced. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the scope of the present disclosure. Still further, the depicted modules and processes may be combined and / or divided in whole or in part into one or more different parts as adapted to conform to a particular embodiment without departing from the scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0016] Isolated POL converters are suitable for many applications requiring high power density and high efficiency. Example applications include electric vehicle chargers and / or other DC-DC converters that may be desired to support a wide range of input a...

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PUM

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Abstract

The present invention relates to a wide-range gain converter. According to an aspect of this disclosure, a circuit includes a voltage source and an output load, first and second resonant modules disposed between the voltage source and the output load, and first and second transformers. The circuit is further arranged such that the first transformer is disposed between the first resonant module andthe output load, and the second transformer is disposed between the second resonant module and the output load. The circuit also includes a plurality of half-bridges coupled between the first and second resonant modules and the voltage source. The circuit further includes a voltage divider disposed between the voltage source and the plurality of half-bridges.

Description

technical field [0001] The present subject matter relates to power conversion, and more particularly to resonant converters. Background technique [0002] Often, electronic devices and other applications require different power characteristics than the available power sources. Converters, transformers, and / or combinations thereof solve the problem of mismatching power sources and power demands. A converter is an electronic circuit or electromechanical device that converts a direct current (DC) source from one voltage level to another. In power applications, transformers are routinely used to step up or down AC voltage. A resonant converter is a type of power converter that contains a network of inductors and capacitors called a resonant tank. The values ​​of the inductors and capacitors are chosen such that the network resonates at a particular frequency. However, power conversion can be costly in terms of component size, expense, noise introduction, power dissipation, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H02M1/14
CPCH02M3/33592H02M1/14H02M3/33576H02M3/33507Y02B70/10H02M1/0058H02M3/01
Inventor 桑德普·巴拉立明·刘静·许
Owner ABB (SCHWEIZ) AG