Current-prediction-control-based Diode-clamped Grid-connected Inverter With Flexible Topology

WANG Guizhong; WU Fengjiang; LI Hongbo; HOU Yingwei

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Current-prediction-control-based Diode-clamped Grid-connected Inverter With Flexible Topology

更新时间：2025-12-08

- Current-prediction-control-based Diode-clamped Grid-connected Inverter With Flexible Topology
- Vol. 46, Issue 1, Pages: 144-150(2020)
- 作者机构：
  
  1. 哈工大(张家口)工业技术研究院
  2. 哈尔滨工业大学电气工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 January 2020，
  
  Published：2020
- 稿件说明：
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WANG Guizhong, WU Fengjiang, LI Hongbo, et al. Current-prediction-control-based Diode-clamped Grid-connected Inverter With Flexible Topology[J]. 2020, 46(1): 144-150.
DOI：

WANG Guizhong, WU Fengjiang, LI Hongbo, et al. Current-prediction-control-based Diode-clamped Grid-connected Inverter With Flexible Topology[J]. 2020, 46(1): 144-150. DOI：

摘要

为实现可再生能源并网发电系统在发电范围、全范围内的工作效率及并网电能质量的同时优化

提出基于二极管箝位逆变器的可变拓扑结构

根据发电源输出电压、功率的不同使其分别工作在级联结构和并联结构

以拓宽发电范围和提高工作效率。进一步将网侧电流预测控制引入到该系统中

以实现全发电范围内的电流高性能闭环控制。详细的实验结果证明了所提出新型并网逆变器及其控制策略的正确性和可行性。

Abstract

In order to realize improvements in the performance of the renewable energy source grid-connected generation system in terms of the generation range

operation efficiency and grid current quality

we propose a modified diode-clamped inverter with the flexible topology ability. The actual topology will change with the variation of the power and voltage of the generator to widen the generation range and increase the operation efficiency. Furthermore

the current prediction control is introduced into the proposed inverter to realize the closed-loop control of the grid current with high performance. Detailed experimental results verify the correctness and feasibility of the proposed inverter and the control strategy.

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