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首页> 外文期刊>Journal of electrical and computer engineering >Modified Droop Method Based on Master Current Control for Parallel-Connected DC-DC Boost Converters
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Modified Droop Method Based on Master Current Control for Parallel-Connected DC-DC Boost Converters

机译：基于主电流控制的并联DC-DC Boost转换器的改进下垂方法

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摘要

Load current sharing between parallel-connected DC-DC boost converters is very important for system reliability. This paper proposes a modified droop method based on master current control for parallel-connected DC-DC boost converters. The modified droop method uses an algorithm for parallel-connected DC-DC boost converters to adaptively adjust the reference voltage for each converter according to the load regulation characteristics of the droop method. Unlike the conventional droop method, the current feedback signal (master current) for one of the parallel-connected converters is used in the inner loop controller for all converters to avoid any differences in the time delay of the control loops for the parallel-connected converters. The algorithm ensures that the load current sharing is identical to the load regulation characteristics of the droop method. The proposed algorithm is tested with a mismatch in the parameters of the parallel converters. The effectiveness of the proposed algorithm is verified using Matlab/Simulink simulation.
机译：并联连接的DC-DC升压转换器之间的负载电流共享对于系统可靠性非常重要。本文针对并联DC-DC升压转换器提出了一种基于主电流控制的改进下垂方法。改进的下垂方法使用用于并行连接的DC-DC升压转换器的算法，以根据下垂方法的负载调节特性自适应地调整每个转换器的参考电压。与传统的下垂方法不同，所有转换器的内部回路控制器均使用并联连接的转换器之一的电流反馈信号（主电流），以避免并行连接的转换器的控制回路的时间延迟出现任何差异。该算法可确保负载电流共享与下垂方法的负载调节特性相同。该算法在并行转换器参数不匹配的情况下进行了测试。 Matlab / Simulink仿真验证了该算法的有效性。

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  • 来源
    《Journal of electrical and computer engineering》 |2018年第2期|9819787.1-9819787.14|共14页
  • 作者

    Muamer M. Shebani; Tariq Iqbal; John E. Quaicoe;

  • 作者单位

    Department of Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada;

    Department of Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada;

    Department of Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, NL, Canada;

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