Model Predictive control of dual-active-bridge based fast battery charger for plug-in hybrid electric vehicle in the future grid

2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia) Pub Date : 2019-05-01 DOI:10.1109/ISGT-Asia.2019.8881457

Dehao Qin, Qiuye Sun, Dazhong Ma, Jiazheng Sun

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引用次数: 5

Abstract

The popularity of the plug-in hybrid electric vehicle (PHEV) in the future grid encourages the demand for fast battery charging technology with bidirectional power flow capacity to realize V2G. In order to improve the performance of charging process, many charging methods have been proposed, such as multi-stage charging, pulse charging method, reflex charging method, etc. Such methods all need the corresponding battery charger to provide variable DC voltage or current to charge for the battery. Therefore, the DC-DC converter with fast dynamic performance can improve the performance of the different charging methods. However, traditional dual-active-bridge (T-DAB) based battery charger does not have a relatively fast dynamic performance. Therefore, this paper proposes a model predictive control for dual-active-bridge (MPC-DAB) based battery charger under dual-phase-shift (DPS) control with the Thevenin model for battery. Compared with the T-DAB based battery charger, MPC-DAB based battery charger possesses faster dynamic performance and lower overshoot.

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插电式混合动力汽车(PHEV)在未来电网中的普及鼓励了对具有双向潮流能力的快速电池充电技术的需求，以实现V2G。为了提高充电过程的性能，人们提出了许多充电方法，如多级充电法、脉冲充电法、反射充电法等。这些方法都需要相应的电池充电器提供可变的直流电压或电流来为电池充电。因此，具有快速动态性能的DC-DC变换器可以提高不同充电方式的性能。然而，传统的基于双有源电桥(T-DAB)的电池充电器并不具有相对快速的动态性能。为此，本文利用电池的Thevenin模型，提出了一种双相移(DPS)控制下双有源桥式(MPC-DAB)电池充电器的模型预测控制方法。与基于T-DAB的电池充电器相比，基于MPC-DAB的电池充电器具有更快的动态性能和更低的超调。

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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2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia)

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