Impact of WBG-Semiconductors on Automotive Communication Networks

Carina Austermann, S. Frei
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引用次数: 1

Abstract

Electromagnetic disturbances from power electronic systems can affect communication networks, especially in the automotive wiring harness with its limited distance between wires. The introduction of Wide-Band-Gap (WBG) semiconductors in power electronic systems enables smaller components and higher efficiency due to higher frequencies and steeper slopes of the PWM control signals. Furthermore, the increasing energy demands lead to a raise of the voltage level up to 48 V. In contrast to high voltage automotive systems with complex shielded cables for EV (Electric Vehicles), unshielded cables are applied in 48 V cabling systems. The use of fast switching power electronic devices in combination with the increased voltage level pose a new challenge on electromagnetic compatibility in automotive environment. This paper shows investigations on the immunity of communication networks under these new conditions. Therefore, measurement and simulative analysis are presented to estimate the potential impact on the reliability of data transmission.
wbg -半导体对汽车通信网络的影响
电力电子系统产生的电磁干扰会影响通信网络,特别是在汽车线束中,由于线束之间的距离有限。在电力电子系统中引入宽带隙(WBG)半导体,由于PWM控制信号的频率更高,斜率更陡,因此可以实现更小的组件和更高的效率。此外,不断增加的能量需求导致电压水平提高到48 V。与使用EV(电动汽车)复杂屏蔽电缆的高压汽车系统不同,非屏蔽电缆应用于48v布线系统。快速开关电力电子器件的使用以及电压水平的提高对汽车环境中的电磁兼容性提出了新的挑战。本文对新条件下通信网络的抗扰度进行了研究。因此,提出了测量和模拟分析来估计对数据传输可靠性的潜在影响。
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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