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논문 기본 정보

저자정보
(National Gangneung-wonju University)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제74권 제11호
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    초록·키워드

    This paper is a study to analyze the effect of switching timing on motor starting characteristics in the reactor starting method of a high-voltage induction motor and derive the optimal switching point. Reactor starting is a method to reduce the impact on the power system by reducing the starting current of the motor, and if the switching timing is inappropriate, problems such as torque reduction, starting failure, or transient current may occur. In this study, based on the actual starting data of a high-voltage induction motor, the waveforms of current, voltage, speed, torque, etc. before and after reactor switching were analyzed, and the starting process was reproduced and compared through a simulation model using EMTP. Based on the experimental and simulation results, the effect of switching timing on the starting stability and efficiency of the motor was quantitatively analyzed. In conclusion, this study provides a technical basis for simultaneously satisfying the reliability of high-voltage motor starting and system protection by presenting the optimal switching point in the reactor starting method.

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      UCI(KEPA) : I410-151-26-02-094554706