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논문 기본 정보

자료유형
학술대회자료
저자정보
Huizhong Sun (Aalborg University) Zhihao Lin (Aalborg University) Jing Yuan (Schneider Electric) Huai Wang (Aalborg University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
1,946 - 1,951 (6page)

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초록· 키워드

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It’s well recognized that the Rdson of GaN HEMT changes much under different operating conditions. To precisely calculate the GaN HEMT switch loss, it’s necessary to measure the resistance. Otherwise, significant loss error might be obtained, especially high-frequency soft switching. In the past several years, many research and experiments are implemented to explain/test/model this phenomenon. However, no systematic measurement results/setups are reported for the 650V GaN device. This paper aims to make a systematic resistance measurement based on high-power 650 V GaN HEMT, including the on resistance with different temperature/current/frequency/duty/switching statuses. The measurement results show frequency/temperature/switching status are the main factors of dynamic on resistance. While the current/duty is less effective on dynamic on resistance. Polynomial fitting results are accurate enough to predict the dynamic on resistance. With the testing results reported in this paper, the readers could predict the switching loss of GS66516T with much better accuracy.

목차

Abstract
I. INTRODUCTION
II. TEST SETUP
III. MEASUREMENT PROCEDURE
IV. TESTING ENVIRONMENT AND DISCUSSIONS
V. CONCLUSIONS
REFERENCES

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