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논문 기본 정보

저자정보
(Korea National University of Transportation)
저널정보
한국조명·전기설비학회 조명·전기설비학회논문지 조명·전기설비학회논문지 제38권 제6호
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    초록·키워드

    This paper describes the construction of test facilities for solid-state transformers for distributed power high-speed rail vehicles. The specifications of the solid-state transformer have an input voltage of 25㎸ AC and a rating of 4.2㎿. The transformer operates at high frequencies, enabling designs that are smaller and lighter than existing low-frequency transformers of tens of ㎐. The solid-state transformer has 14 modules connected in series, and each module consists of 3 cells. The verification process involves by increasing capacity and voltage, starting from individual cell tests, followed by module tests, series configuration tests, and system-level tests. Test facilities require not only the application of low voltages of hundreds of V to high voltages of up to 29㎸, but also loads and power facilities of hundreds of ㎾ to several ㎿. This paper presents a test plan and facility construction plan for a ㎿ range solid-state transformer.

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      UCI(KEPA) : I410-151-25-02-091255032