지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 3,351 - 3,357 (7page)
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초록· 키워드
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Three-phase DC/AC power converters enable several applications including photovoltaic systems, electric traction inverters, uninterruptible power supplies, and utility systems. The classical three-phase voltage source inverter (VSI) topology featuring a single-pole double throw switch per-phase, which forms the workhorse of these applications, can operate in only buck mode of operation. Increasing number of applications including transformer-less photovoltaic systems, battery cells, fuel cells, and traction motors require a wide range of input and output voltage range. Hence, a DC/AC power converter topology capable of voltage buck and boost operation will enable wider operating range resulting in efficient and higher performance system designs. The paper presents a single-stage bidirectional DC/AC inverter topology capable of buck and boost mode of operation. In comparison to the state-of-the-art approaches, the topology features minimum switch count (two semiconductor switches per-phase) and simple converter operation with sinusoidal pulse-width modulation. Further, due to the presence of inherent filtering elements, the output voltages and currents are non-switched non-pulsating waveforms resulting in minimized output harmonic and EMI filtering requirements and, lower over-voltages due to long cables. The paper presents the analytical results including component sizing and loss calculation equations of the proposed approach in a step-by-step manner. Detailed simulation and experimental results verify the analytical results.
목차
Abstract
I. INTRODUCTION
II. CONVERTER TOPOLOGY AND OPERATION
III. RESULTS
IV. CONCLUSION
REFERENCES
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