Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control
Bidirectional medium-frequency DAB converter with dual-phase-shift modulation and super-twisting sliding mode control
复制标题
双相移调制和超扭转滑模控制的双向中频DAB转换器
DOI：
10.1049/icp.2022.1129
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
Alhurayyis I
中科院分区：
文献类型：
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作者：
Alhurayyis I
直流网络由于具有高效率、高载流能力和较好的动态响应等优点而受到广泛关注。此外，它们还加强了不同类型的可再生能源（RES）和储能系统（ESS）的整合。可以使用各种隔离式双向DC-DC转换器来实现所需的接口，但双有源桥（DAB）转换器是一个很好的选择。双移相调制（DPS）技术降低了DAB变换器中的电流应力，扩大了DAB变换器的零电压开关区，而滑模控制（SMC）是一种更好的非线性系统控制策略。然而，滑模控制存在抖振现象。为了抑制这种抖振现象，本文提出了一种超扭曲滑模控制（ST-SMC）。该方法可以有效地抑制滑模控制中的抖振现象。因此，这项工作提出了DAB转换器与DPS下的ST SMC调节输出电压，减少或消除抖动，并提供了很大的参考跟踪。所有的结果进行了初步验证，通过使用MATLAB/Simulink，然后实验验证。
DC networks have great attention because of their benefits such as high efficiency, high current carrying capacity, and better dynamic responses compared with ac networks. Besides, they enhance the integration of different types of renewable energy sources (RESs) and energy storage systems (ESSs). A variety of isolated bidirectional dc-dc converters can be used to achieve the required interface, but the dual active bridge (DAB) converter can be a great choice. The dual-phase-shift (DPS) modulation technique reduces current stresses and expand the zero-voltage switching zone in the DAB converter while the sliding mode control (SMC) is a better strategy for non-linear systems. However, the sliding mode control has a chattering phenomenon. In order to suppress this chattering phenomenon, this article proposes a super-twisting sliding mode control (ST-SMC). This method can supress the chattering phenomena in sliding mode control. Thus, this work presents the DAB converter with DPS under the ST-SMC to regulate the output voltage, reduce or eliminate chattering, and provide great reference tracking. All results are verified initially by using MATLAB/Simulink and then experimentally validated.