Design of a Novel SPWM Based on Bat-Like Reference Signal Technique for EV Applications

2020 IEEE International Conference on Power and Energy (PECon) Pub Date : 2020-12-07 DOI:10.1109/PECon48942.2020.9314525

Ibraheem Mohammed Khalil AL- Jafeary, N. Tan

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引用次数: 1

Abstract

The sinusoidal pulse-width modulation (SPWM) technique is typically used for three-phase voltage source inverter (VSI) in low-voltage motor drives due to its simplicity and reliability. However, these VSI face increasing challenge to minimize electromagnetic interference (EMI) and increase power quality. This paper proposes a new SPWM switching based on a Bat-like reference signal that has the advantages of minimizing the output-voltage total harmonics distortion (THDv), lowering the switch rate of change in voltage (dv/dt), reducing the number of switching transitions, and increasing the peak and r.m.s. ac output voltage of the three-phase VSI. The proposed switching technique is verified using Matlab/Simulik on a 2-kW, 300-V three-phase VSI connected to an RL load. This technique shows improvement in reducing the output-voltage THDv by 36% and lowering the number of switching transition by 60% as compared to SPWM switching that is based on singlefrequency signal. Moreover, the dv/dt is low and the peak output voltage is increase by approximately 17%.

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基于类蝙蝠参考信号技术的电动汽车SPWM设计

正弦脉宽调制(SPWM)技术由于其简单和可靠，通常用于低压电机驱动的三相电压源逆变器(VSI)。然而，这些VSI面临着最大限度地减少电磁干扰(EMI)和提高电能质量的挑战。本文提出了一种基于类蝙蝠参考信号的新型SPWM开关，该开关具有最小化输出电压总谐波失真(THDv)、降低电压变化率(dv/dt)、减少开关转换次数、提高三相VSI的峰值和均方根交流输出电压等优点。利用Matlab/Simulik在连接到RL负载的2kw, 300v三相VSI上验证了所提出的开关技术。与基于单频信号的SPWM开关相比，该技术可以将输出电压THDv降低36%，将开关转换次数降低60%。此外，dv/dt较低，峰值输出电压提高了约17%。

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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2020 IEEE International Conference on Power and Energy (PECon)

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