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  • Voltage analysis of PWM inverter fed induction motors

    Creator:
    Al-Ghubari, Fahad H.
    Abstract:
    Adjustable Speed Drive (ASD) systems are widely used in industry to effectively improve process efficiency and control. Typically, an ASD system consists of a motor with its speed controlled by a power electronics converter via varying the amplitude and frequency of the input voltage. However, several abnormal insulation failures of...
    Resource Type:
    Masters Thesis
    Full Text:
    Computer Engineering presented on May 21, 1999. Title: Voltage Analysis ofPWM Inverter Fed Induction

  • Use of multiple loop model for brushless doubly fed machine rotor design

    Creator:
    Kemp, Alson R.
    Abstract:
    The Brushless Doubly Fed Machine (BDFM) is receiving attention as a candidate for use in adjustable speed drives (ASDs) and variable speed generators (VSGs). With a large percentage of a drive or generator system's cost due to power electronics content, considerable research has been conducted to find drives in which...
    Resource Type:
    Masters Thesis
    Full Text:
    as low as 1kVA, while an induction motor drive of the same rating would require a converter over 4kVA