Novel electric power electronic transformer

A power electronic conversion and power electronic technology, which is applied to the conversion equipment for intermediate conversion to DC conversion, and the conversion equipment that can be converted to DC without intermediate conversion. The effect of reducing electricity cost, stable voltage amplitude and light weight

Inactive Publication Date: 2016-04-27
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional transformer has limited functions and cannot provide the above functions

Method used

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  • Novel electric power electronic transformer

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] Such as figure 1 A new type of power electronic transformer shown is characterized in that it includes a high-frequency transformer 1 and a power electronic converter 2, and the power electronic converter 2 includes a power electronic converter 1 and a power electronic converter 22 and respectively Installed between the high-frequency transformer 1, the power supply 3 and the load 4, the power electronic converter 121 connected to the power supply 3 side converts the power frequency alternating current on the power supply 3 side into the high-frequency alternating current at the input end of...

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Abstract

The invention discloses a novel electric power electronic transformer. The novel electric power electronic transformer comprises a high-frequency transformer and electric power electronic converters, wherein the electric power electronic converters comprise an electric power electronic converter I and an electric power electronic converter II and are arranged between the high-frequency transformer and a power supply and between the high-frequency transformer and a load respectively; the electric power electronic converter I connected to the side of the power supply is used for converting power frequency alternating current on the side of the power supply into high-frequency alternating current at the input end of the high-frequency transformer; and the electric power electronic converter II connected to the side of the load is used for converting high-frequency alternating current at the output end of the high-frequency transformer into electric energy required for the load. The novel electric power electronic transformer can provide the functions such as reactive power compensation, voltage regulation, intelligent energy management and plug-and-play.

Description

technical field [0001] The invention relates to the technical field of power equipment, in particular to a novel power electronic transformer. Background technique [0002] With the continuous development of modern power grids, more and more distributed power generation systems and distributed energy storage systems need to be connected to the grid. When the new energy power generation system is connected to the grid, interface equipment is required to provide functions such as reactive power compensation, voltage adjustment, intelligent energy management, and plug-and-play. However, traditional transformers have limited functions and cannot provide the above-mentioned functions. Contents of the invention [0003] (1) Technical problems to be solved [0004] In order to overcome the deficiencies of existing technologies, a new type of power electronic transformer is proposed, which can provide functions such as reactive power compensation, voltage regulation, intelligent...

Claims

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Application Information

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IPC IPC(8): H02M5/10H02M5/42
CPCH02M5/10H02M5/42
Inventor 高书涵
Owner WUHAN UNIV OF TECH
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