用于直流母线电压补偿的数字峰值电流型升压变换器的瞬态响应

2016 IEEE International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2016-11-01 DOI:10.1109/ICRERA.2016.7884448

Y. Furukawa, Shintaro Nibu, I. Colak, H. Eto, F. Kurokawa

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引用次数: 5

摘要

升压型dc-dc变换器主要用于可再生能源等直流供电系统中直流母线电压的补偿。运行稳定，提高系统的可靠性。由于升压型dc-dc变换器容易出现不稳定的情况，因此采用峰值电流模式控制来稳定运行。然而，在数字控制器中无法捕获电抗器电流的峰值。本文介绍了一种电流到频率转换的数字峰值电流模式控制升压变换器，并利用频率检测器实时检测峰值电流。通过对传统PID控制与该方法在改变输入电压下的瞬态响应的比较，验证了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Transient response of digital peak current mode boost converter for DC bus voltage compensation

The boost type dc-dc converter is used for compensation of dc bus voltage in the dc power feeding system such as the renewable energy system. It should be operated stably to improve reliability of the system. The peak current mode control is applied to operate stably because the boost type dc-dc converter tends to be unstable. However, a peak value of reactor current cannot be captured in the digital controller. In this paper, a digital peak current mode control boost converter with conversion from current to frequency and using a frequency detector for a peak current detection in real time is presented. The effectiveness of the proposed method is verified by the comparison of the transient response under changing an input voltage between the conventional PID control and the proposed method.

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2016 IEEE International Conference on Renewable Energy Research and Applications (ICRERA)

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