基于双管Buck-Boost变换器的直流微电网光伏接口控制分析

YANG Chen; XIE Shaojun; MAO Ling; QIN Ling

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基于双管Buck-Boost变换器的直流微电网光伏接口控制分析

更新时间：2025-08-13

- 基于双管Buck-Boost变换器的直流微电网光伏接口控制分析
- Automation of Electric Power Systems Vol. 36, Issue 13, Pages: 45-50(2012)
- 作者机构：
  
  江苏省新能源发电与电能变换重点实验室，南京航空航天大学,江苏省,南京市,210016
- 作者简介：
- 基金信息：
- DOI：
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- Published：2012
- 稿件说明：
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YANG Chen, XIE Shaojun, MAO Ling, et al. [J]. Automation of electric power systems, 2012, 36(13): 45-50.
DOI：

YANG Chen, XIE Shaojun, MAO Ling, et al. [J]. Automation of electric power systems, 2012, 36(13): 45-50. DOI：

摘要

分析了分布式直流供电系统中光伏接口单元的控制要求，给出了相应的控制策略。以双管Buck-Boost变换器型接口单元为例，介绍了其控制系统结构和小信号模型的建立，分析了接口变换器的工作过程，讨论了闭环控制参数选取依据。最后，在一台3 kW的双管Buck-Boost变换器实验样机上，对理论分析进行了验证，实现了分布式直流供电系统光伏接口单元的基本控制功能。

Abstract

Based on the control requirements of photovoltaic interface in the distributed DC power system， a control strategy for photovoltaic converter is proposed. Taking two-switch Buck-Boost converter for example， the control system structure for the converter is introduced and the small signal model is established. The operating principle is analyzed and how to select the close-loop control parameters is discussed. Finally， the control strategy was carried out on a 3 kW two-switch Buck-Boost converter. The experimental results show that the photovoltaic interface can work effectively to match the basic control requirements.

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