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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.7
- 수록면
- 910 - 919 (10page)
이용수
초록· 키워드
오류제보하기
The use of a PV grid-connected inverter with non-isolated topology and without a transformer is good for improving conversion efficiency; however, this inverter has become increasingly complicated for eliminating leakage current. To simplify the complicated architecture of traditional three-level dual buck inverters, a new dual Buck three-level PV grid-connected inverter topology is proposed. In the proposed topology, the voltage on the grounding stray capacitor is clamped by large input capacitors and is equal to half of the bus voltage; thus, leakage current can be eliminated. Unlike in the traditional topology, the current in the proposed topology passes through few elements and does not flow through the body diodes of MOSFET switches, resulting in increased efficiency. Additionally, a multi-loop control method that includes voltage-balancing control is proposed and analyzed. Both simulation and experimental results are demonstrated to verify the proposed structure and control method.
목차
Abstract
I. INTRODUCTION
II. PROPOSED DUAL BUCK THREE-LEVEL PV GRID-CONNECTED INVERTER WITHOUT LEAKAGE CURRENT
III. CONTROL STRATEGY
IV. KEY PARAMETERS DESIGN
V. SIMULATION AND EXPERIMENTAL VERIFICATION
VI. CONCLUSION
REFERENCES
참고문헌 (22)
참고문헌 신청
[학술지(정기간행물)] - P. Pairodamonchai / 2009 / Design and implementation of a hybrid output EMI filter for high-frequency common-mode voltage compensation in PWM inverters / IEEE Trans. Ind. Appl. 45 (3) : 1647 ~ 1659
[학술지(정기간행물)] - X. Guo / 2013 / Single-carrier modulation for neutral-pointclamped inverters in three-phase transformerless photovoltaic systems / IEEE Trans. Power Electron. 28 (6) : 2635 ~ 2637
[기타자료] - M. Victor / 2008 / Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic source of direct current voltage, into a alternating current voltage / U.S. Patent: 7 411 802 B2
[학술지(정기간행물)] - R. Gonzalez / 2007 / Transformerless inverter for single-phase photovoltaic systems / IEEE Trans. Power Electron. 22 (2) : 693 ~ 697
[학술대회논문] - Y. Bo / 2010 / A novel single-phase transformerless photovoltaic inverter connected to grid / Proc. IEEE Power Electronics Machines and Drives Conference : 1 ~ 6
[학술지(정기간행물)] - X. Guo / 2013 / Single-carrier modulation for neutral-pointclamped inverters in three-phase transformerless photovoltaic systems / IEEE Trans. Power Electron. 28 (6) : 2635 ~ 2637
[기타자료] - M. Victor / 2008 / Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic source of direct current voltage, into a alternating current voltage / U.S. Patent: 7 411 802 B2
[학술지(정기간행물)] - R. Gonzalez / 2007 / Transformerless inverter for single-phase photovoltaic systems / IEEE Trans. Power Electron. 22 (2) : 693 ~ 697
[학술대회논문] - Y. Bo / 2010 / A novel single-phase transformerless photovoltaic inverter connected to grid / Proc. IEEE Power Electronics Machines and Drives Conference : 1 ~ 6
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