Research on Photovoltaic Grid-connected Micro-inverter Based on Push-pull Converter

SHEN Weicheng; LIU Xueren; JIA Rong; ZHANG Guangru; MA Xiping; DONG Kaisong

doi:10.13296/j.1001-1609.hva.2016.05.028

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Research on Photovoltaic Grid-connected Micro-inverter Based on Push-pull Converter

更新时间：2025-04-26

- Research on Photovoltaic Grid-connected Micro-inverter Based on Push-pull Converter
- High VoltageApparatus Vol. 52, Issue 5, Pages: 164-169+175(2016)
- 作者机构：
  
  1. 国网甘肃省电力公司电力科学研究院
  2. 国网甘肃省电力公司
  3. 西安理工大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.05.028
  CLC： TM615
- Published：2016
- 稿件说明：
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[1]沈渭程,刘学仁,贾嵘,张光儒,马喜平,董开松.基于推挽变换器的光伏微逆变并网装置的探讨[J].高压电器,2016,52(05):164-169+175.

SHEN Weicheng, LIU Xueren, JIA Rong, et al. Research on Photovoltaic Grid-connected Micro-inverter Based on Push-pull Converter[J]. High voltageapparatus, 2016, 52(5): 164-169+175.
[1]沈渭程,刘学仁,贾嵘,张光儒,马喜平,董开松.基于推挽变换器的光伏微逆变并网装置的探讨[J].高压电器,2016,52(05):164-169+175. DOI： 10.13296/j.1001-1609.hva.2016.05.028.

SHEN Weicheng, LIU Xueren, JIA Rong, et al. Research on Photovoltaic Grid-connected Micro-inverter Based on Push-pull Converter[J]. High voltageapparatus, 2016, 52(5): 164-169+175. DOI： 10.13296/j.1001-1609.hva.2016.05.028.

摘要

随着户用分布式发电系统的发展

传统集中式光伏发电系统因系统局部问题导致的效率大幅降低问题进一步凸显。为了进一步提升分布式发电系统的整体效率

文中提出了一种基于推挽正激升压变换器的微逆变并网装置

针对微逆变并网装置的双级式功率主拓扑结构进行了深入的分析与探讨

并给出了其关键元器件的设计方法。最后

引入双级式光伏发电系统功率主拓扑结构

在PSIM6.0上进行了仿真

验证了文中所提出的拓扑的有效性与先进性。

Abstract

It is not simple to solve the significant reduction in centralized photovoltaic systems

when photovoltaic arrays are partially obscured by shadows and other problems. In order to enhance the overall efficiency of the distributed photovoltaic system

the grid-connected micro-inverter based on push-pull forward converter is proposed in this paper. Then

this paper researches the dual-stage structure topology of the device

and the design method of key components is also given. Finally

simulations are provided to illustrate the effectiveness and advanced of the constructed dual-stage structure for the grid-connected micro-inverter by PSIM6.0.

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