상세정보
학술지
Power Module Stray Inductance Extraction: Theoretical and Experimental Analysis
- 발행일
- 202110
- 출처
- ETRI Journal, v.43 no.5, pp.891-899
- ISSN
- 1225-6463
- 출판사
- 한국전자통신연구원 (ETRI)
- 협약과제
- 20PU1200, 1700V/250A급 저손실 Full-SiC Half-bridge Power Module 개발, 정동윤
- 초록
- We propose a stray inductance extraction method on power modules of the few-kilovolts/several-hundred-amperes class using only low voltages and low currents. The method incorporates a double-pulse generator, a level shifter, a switching device, and a load inductor. The conventional approach generally requires a high voltage of more than half the power module's rated voltage and a high current of around half the rated current. In contrast, the proposed method requires a low voltage and low current environment regardless of the power module's rated voltage because the module is measured in a turn-off state. Both theoretical and experimental results are provided. A physical circuit board was fabricated, and the method was applied to three commercial power modules with EconoDUAL3 cases. The obtained stray inductance values differed from the manufacturer-provided values by less than 1.65 nH, thus demonstrating the method's accuracy. The greatest advantage of the proposed approach is that high voltages or high currents are not required.
- KSP 제안 키워드
- Circuit Board, Double-pulse, Extraction method, High Voltage, High current, Inductance extraction, Level shifter, Low current, Off-State, Pulse Generator, Stray inductance
본 저작물은 공공누리 제4유형 : 출처표시 + 상업적 이용금지 + 변경금지 조건에 따라 이용할 수 있습니다.
