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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2019.5
- 수록면
- 3,209 - 3,214 (6page)
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This paper presents some comparative results between the three-phase quasi-Z source inverter (qZSI) and active quasi-Z source inverter (AqZSI). An improved PWM method is proposed for AqZSI. The voltage gain can be increased by using the shoot-through duty cycle and the switching ratio of the additional switch. Compared to qZSI, AqZSI with improved PWM strategy has a higher efficiency at the boost mode. Furthermore, AqZSI can be operated up to a higher modulation index and it boasts a lower inductor current ripple and reduced shoot-through current. The analysis of inverter and the improved PWM strategy are discussed. An experimental prototype with output power of 600 W is built to show the agreement of theory and measurement.
목차
Abstract
I. INTRODUCTION
II. IMPROVED STRATEGY AND OPERATING PRINCIPLE OF AQZSI
III. SIMULATION RESULTS
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
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