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논문 기본 정보

자료유형
학술대회자료
저자정보
한창우 (효성) 성상철 (효성) 정승붕 (효성)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2019년 학술대회
발행연도
2019.11
수록면
199 - 203 (5page)

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초록· 키워드

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The difference of the cooling performance between the heat sinks may vary depending on the operator or the time of production, even if a number of heat sinks are manufactured under the same process. And even in the same control algorithm and physical configuration, there is the difference of the electric loss between the power devices due to the current unbalance in the phase or between phases. In this paper, the deviation of the cooling performance of the heat sinks was statistically analyzed by measuring the temperature on the heat sink with heating blocks. The temperature of the heat sink with IGBT modules was then measured under various losses to assess the deviation of the cooling performance between heat sinks due to mechanical parameters such as the airflow rate and the electric parameters such as the current unbalance. As a result, the deviation of the cooling performance among a number of heat sinks was about ±5%, and the deviation of the cooling performance for the sub-system was found to be ±12%. The upper and lower specification limits on the IGBT stack compared to the heat sink component was increased due to uncontrollable factors such as the state of the power system. The heat sink with heat pipes applied the power conditioning system connected in a power system is expected to reduce the operating range by nearly 14% than ideal manufacturing and experimental conditions.

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Abstract
1. 서론
2. 실험장치
3. 결과 및 토의
4. 결론
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