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首页> 外文期刊>Power Electronics, IET >Study of cable resistance and remote-sensing scheme in parallel DC/DC converter system via primary droop current-sharing control
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Study of cable resistance and remote-sensing scheme in parallel DC/DC converter system via primary droop current-sharing control

机译：基于初级下垂电流共享控制的并行DC / DC转换器系统中电缆电阻和遥感方案的研究

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摘要

Output cable wire resistance and remote feedback sensing scheme have a significant effect on output feedback impedance and might affect the stability of the parallel DC/DC converters system. When the system reduces cable resistance or increases the remote feedback sensing weighting factor, a severe notch will occur at the frequency response of the output feedback impedance and leads to affect the voltage loop gain of the DC/DC converter in the parallel operation. In order to investigate the aforementioned detrimental effect, the two-port network model of the buck-derived DC/DC converter was deduced based on the interested input-output variables of the designed parallel DC/DC converters system. Accordingly, the control block diagram of the parallel DC/DC converters system with primary droop current-sharing control and remote feedback sensing scheme was built for studying the performance of the interconnection system. Simetrix/Simplis spice-based model was used firstly to find the effects of the varied output cable resistance and remote feedback sensing weighting factor, and further verified by Matlab computation model. The design method of a simple controller, which integrates voltage with droop current-sharing control, the steady-state output voltage droop characteristic and some experimental results are also provided in this study.
机译：输出电缆的线电阻和远程反馈感应方案会对输出反馈阻抗产生重大影响，并可能影响并行DC / DC转换器系统的稳定性。当系统减小电缆电阻或增加远程反馈感应加权系数时，在输出反馈阻抗的频率响应处会出现严重的陷波，并会在并行操作中影响DC / DC转换器的电压环路增益。为了研究上述不利影响，基于设计的并行DC / DC转换器系统的感兴趣的输入输出变量，推导出了降压DC / DC转换器的两端口网络模型。因此，构建了具有初级下垂电流共享控制和远程反馈传感方案的并行DC / DC转换器系统的控制框图，以研究互连系统的性能。首先使用Simetrix / Simplis基于香料的模型来发现输出电缆电阻变化和远程反馈传感加权因子的影响，并通过Matlab计算模型进行进一步验证。这项研究还提供了一种简单的控制器的设计方法，该控制器将电压与下降电流均流控制集成在一起，提供了稳态输出电压下降特性以及一些实验结果。

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    《Power Electronics, IET》 |2012年第6期|p.885-898|共14页
  • 作者

    Wang J.B.;

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