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Design and Analysis of Delta Modulated PWM Inverter with regulated output voltage for l-Φ Induction Motor Drives

机译:用于l-Φ感应电动机驱动器的具有可调输出电压的Delta调制PWM逆变器的设计和分析

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This paper proposes the analysis and design of a delta modulated PWM voltage source inverter having feedback output voltage for l-Φ induction motor drives. This technique offers good advantages over a conventional delta modulated PWM technique in terms of remaining output voltage fairly constant under variations in load conditions and reducing capacitor value of a dc link filter. DC link ripple is inevitable, especially for finite LC or C filters at heavy load conditions. Consequently, output voltage is reduced thus, decreasing fundamental flux level in induction motors. The proposed technique can overcome such problems. The practical performance evaluation has been made over a wide range of operating conditions.
机译:本文提出了一种用于l-Φ感应电动机驱动器的具有反馈输出电压的增量调制PWM电压源逆变器的分析和设计。与传统的增量调制PWM技术相比,该技术在负载条件变化下保持输出电压相当恒定并减小直流链路滤波器的电容值方面具有良好的优势。直流母线纹波是不可避免的,特别是对于重载条件下的有限LC或C滤波器而言。因此,输出电压降低,从而降低了感应电动机的基本磁通水平。所提出的技术可以克服这些问题。在广泛的操作条件下进行了实际性能评估。

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