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Power conversion apparatus for resolving power imbalance between multiple output terminals

A power conversion device and a power unbalanced technology, which is applied to the output power conversion device, the conversion of AC power input to DC power output, electrical components, etc., can solve problems such as power imbalance, and achieve the effect of eliminating power imbalance.

Pending Publication Date: 2020-09-18
晓星重工业株式会社 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, in the above-mentioned prior art, it is impossible to fundamentally eliminate the power imbalance caused by the characteristic differences and changes of each modular power conversion module.

Method used

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  • Power conversion apparatus for resolving power imbalance between multiple output terminals
  • Power conversion apparatus for resolving power imbalance between multiple output terminals
  • Power conversion apparatus for resolving power imbalance between multiple output terminals

Examples

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Embodiment Construction

[0021] Hereinafter, embodiments of the present invention will be described in detail with exemplary drawings. It should be noted that when adding reference numerals to structural elements in respective drawings, even if the same structural elements are shown in different drawings, they are given the same reference numerals as much as possible. Moreover, when describing the embodiments of the present invention, if it is judged that the specific description of related known structures or functions will hinder the understanding of the embodiments of the present invention, the detailed description will be omitted.

[0022] Also, terms such as first, second, A, B, (a), and (b) may be used when describing structural elements of the embodiments of the present invention. These terms are only used to distinguish structural elements from other structural elements, and the above terms do not limit the nature, order or sequence of the structural elements. When it is recorded that a struc...

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Abstract

The present invention relates to a power conversion apparatus for resolving a power imbalance between multiple output terminals of multiple power conversion modules operating in parallel. An embodiment of the present invention provides a power conversion apparatus comprising n (n is an integer>=2) power conversion modules connected in parallel and having multiple output terminals, wherein each ofthe n power conversion modules comprises: a first circuit unit having two output terminals; a second circuit unit having two output terminals; a core around which a coil is wound such that a current of the coil forms a path of a magnetic field; a primary-side first coil wound on a primary side of the core and having two connection terminals; a primary-side second coil wound on the primary side ofthe core and having two connection terminals; and a secondary-side coil wound on a secondary side of the core, wherein: for each of the power conversion modules, the two output terminals of one circuit unit among the first circuit unit or the second circuit unit are connected to the two connection terminals of one coil among the primary-side first coil or the primary-side second coil of the powerconversion module including the one circuit unit; and the two output terminals of the other remaining circuit unit are connected to two connection terminals of one coil among the primary-side first coil or the primary-side second coil of another power conversion module.

Description

technical field [0001] The present invention relates to a power conversion device, in particular to a power conversion device for eliminating power imbalance between multiple output terminals of the power conversion modules by adjusting the connection of multiple power conversion modules operating in parallel. Background technique [0002] Power conversion devices are utilized in a variety of devices and equipment. With the demand for standardization of power conversion devices, multiple module type power conversion devices are being developed that perform conversion of a required amount of power by using multiple power conversion modules in parallel instead of converting all power with one power conversion device. [0003] However, even if a plurality of modules are manufactured and used in the same manner in the above-mentioned module-type power conversion device, the characteristics of each module change a little according to long-term operation, and some components may f...

Claims

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Application Information

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IPC IPC(8): H02M7/493H02M7/5387
CPCH02M7/493H02M7/5387H02M1/008
Inventor 李埈荣李日云任宗彬
Owner 晓星重工业株式会社
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