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논문 기본 정보

저자정보
(Gachon University) (Gachon University) (Gachon University) (Korea Railroad Research Institute) (Gachon University)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제73권 제11호
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    초록·키워드

    In this paper, for the purpose of increasing the stability of railway vehicles, the performance of a leg transfer type inverter was analyzed according to the correlation between relay and change of control amount operation. For this purpose, maximum overshoot current and transient state maintenance time were analyzed according to the operation sequence and operation delay between relay operation and change of control amount during leg transfer. As a result, no direct relationship between operation correlation and maximum overshoot current was confirmed. However, it was confirmed that when the control amount is changed first, the control stability is higher as it is controlled in a steady state even in the operation delay section. Accordingly, it was verified through hardware experiments that control stability can be improved when the leg transfer type inverter for railway vehicles operates first for the control amount change during leg change.

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