Electric power take-off system has gained significant popularity in automobiles and aircraft. The system requires a high-gain step-up converter to boost the voltage of the low-voltage batteries. A novel topology has been proposed for these applications. The output voltage requires good regulation during load changes. This paper presents the dynamic modeling of the converter using generalized averaging method. A small-signal model is developed by linearizing around the operating points. The analysis of system stability indicates that the system is stable at all operating points. The sensitivity of parameters such as leakage inductance and load resistance has been studied to analyze the effect of these parameters in the context of system behavior and the controller design. A dedicated controller has been designed, which includes a feedback controller to regulate the output voltage and a lead compensator to solve the potential instability issue brought by the right-half-plane zeros. It also includes a feedforward controller in its inner loop to eliminate the effect of the disturbance in the input voltage. Simulation and experimental results have been used to validate the system model and the proposed controller.


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    Titel :

    Dynamic Analysis and Control Approach for a High-Gain Step-Up Converter for Electrified Transportation


    Beteiligte:
    Fei Shang, (Autor:in) / Haowen Wu, (Autor:in) / Geng Niu, (Autor:in) / Krishnamurthy, Mahesh (Autor:in) / Isurin, Alexander (Autor:in)


    Erscheinungsdatum :

    2017-09-01


    Format / Umfang :

    4917838 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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