Optimized Phase-Shift Control for dc-link Current Minimization in Automotive Multi Converter Applications

W. J. Choy, G. Buticchi, A. Marquez, M. Galea, J. I. Leon
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引用次数: 2

Abstract

The increasing complexity of the embedded power electronics system for automotive applications has pushed engineers towards multiport converters to be able to integrate multiple energy sources into a single converter structure. This paper deals with the optimization of the dc link current for a specific multiport converter realized by an inverter and two dc-dc converters. A simplified model based on an interleaved boost converter and a voltage source inverter is used for the simulations. The selection of the optimal phase-shift between the PWM carriers of each converter allows for a marked decrease of the dc-link current, with obvious benefits in terms of capacitor current stress.
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汽车多路变换器直流链路电流最小化的优化相移控制
汽车应用的嵌入式电力电子系统日益复杂,这促使工程师们转向多端口转换器,以便能够将多种能源集成到单个转换器结构中。本文研究了由一个逆变器和两个dc-dc变换器实现的特定多端口变换器的直流链路电流优化问题。采用基于交错升压变换器和电压源逆变器的简化模型进行仿真。在每个变换器的PWM载波之间选择最佳相移,可以显著降低直流链路电流,在电容器电流应力方面有明显的好处。
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