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Rectifier system based on multi-winding input

A rectifier and multi-winding technology, applied in the direction of irreversible AC power input conversion to DC power output, conversion equipment that can be converted to DC without intermediate conversion, etc., can solve the problems that cannot meet the requirements of rectifier system efficiency and cost, and fail to achieve Optimization and other issues to achieve the effect of improving efficiency, improving reliability and reducing costs

Inactive Publication Date: 2021-03-09
SHENZHEN WINLINE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this solution omits the power factor correction link, it still adopts a bipolar topology circuit, which is not optimal in terms of cost reduction and efficiency improvement, and still cannot meet the current industry requirements for efficiency and cost of rectifier systems.

Method used

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  • Rectifier system based on multi-winding input
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  • Rectifier system based on multi-winding input

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Embodiment Construction

[0009] In order to realize the technical solution of the present invention and allow more engineers to understand the present invention, the rectifier system based on multi-winding input will be described in detail below in conjunction with specific embodiments.

[0010] The invention makes full use of the physical characteristics of the phase-shifting transformer, reduces the voltage ripple input by the rectifier through the parallel connection after multi-winding full-bridge rectification, and reduces the burden of the rectifier on ripple suppression, thereby achieving the purpose of simplifying the topology structure of the rectifier.

[0011] The basic block diagram of a rectifier system based on multi-winding input is shown in figure 2 shown. The rectifier system based on multi-winding input, the transformer T is a phase-shifting transformer, the winding A of the primary side TA is the input winding, and the input AC voltage is VIN; the secondary side TB is a phase-shift...

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Abstract

The invention provides a rectifier system based on multi-winding input. According to the rectifier system based on multi-winding input, the advantages of a phase-shifting transformer are fully utilized, a multi-winding input mode is adopted, on the premise that the direct-current output performance index of the rectifier is met, the circuit topological structure of the rectifier is simplified, thecost of the rectifier system is reduced, and the efficiency of the rectifier system is improved; and meanwhile, the reliability of the rectifier system is also improved.

Description

technical field [0001] The invention relates to the field of power supply and distribution of power electronic converter devices, in particular to a rectifier system based on multi-winding input. Background technique [0002] Currently, power electronic rectifiers are used in the field of power supply and distribution in power systems. The input of rectifiers is mostly three-phase AC mains. In order to meet the requirements of AC input harmonics and output DC performance indicators, the current circuit topology of rectifiers is widely used. Architecture, the front stage is generally a power factor correction circuit, and the rear stage is an isolated rectification circuit. This circuit topology can meet the requirements of AC input harmonics, and at the same time, it can ensure that the indicators of the output DC are optimal. However, this topology has a cost The disadvantages of high and low efficiency. At present, with the development of the new energy field, the demand ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/23H02M5/12
CPCH02M5/12H02M7/23
Inventor 张金磊李晨光陈小平朱建国范锋刘涛
Owner SHENZHEN WINLINE TECH
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