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首页> 外文期刊>Energy Conversion & Management >Acoustic noise reduction of a 6/4 SRM drive based on third harmonic real power cancellation and mutual coupling flux enhancement
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Acoustic noise reduction of a 6/4 SRM drive based on third harmonic real power cancellation and mutual coupling flux enhancement

机译：基于三次谐波有功抵消和互耦合磁通增强的6/4 SRM驱动器的噪声降低

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摘要

In this paper, an effective technology is presented for noise reduction and torque increase in a three-phase 6/4 switched reluctance motor (SRM) drive without position sensors. Using a three-phase full bridge inverter and Y-typed connection of winding configuration, three-phase sinusoidal currents in each commutation region can be controlled to form long and short-flux paths. Long main flux can be added by short mutual coupling flux to enhance the stator flux; the resulting current-oriented control scheme can obtain a higher electromagnetic torque and cancel the third harmonic real power. To verify the effectiveness of the proposed scheme, it was applied to a 350 W three-phase 6/4 SRM drive system operating below 1500 rpm. Experimental results yield maximal acoustic noise at 74 dB and maximal torque at 21 kg cm. Moreover, the 6th harmonic real power is found to be the dominant source of acoustic noises in the SRM system.
机译：在本文中，提出了一种有效的技术，该技术可在不带位置传感器的三相6/4开关磁阻电机（SRM）驱动器中降低噪声并增加扭矩。通过使用三相全桥逆变器和绕组配置的Y型连接，可以控制每个换向区域中的三相正弦电流，以形成长和短通量路径。短的互耦合磁通可以增加长的主磁通，以提高定子磁通。结果，以电流为导向的控制方案可以获得更高的电磁转矩并消除三次谐波有功功率。为了验证所提出方案的有效性，将其应用于运行在1500 rpm以下的350 W三相6/4 SRM驱动系统。实验结果产生了74 dB的最大声音噪音和21 kg cm的最大扭矩。此外，发现六次谐波有功功率是SRM系统中声噪声的主要来源。

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