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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
- 2015.1
- 수록면
- 256 - 267 (12page)
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초록· 키워드
오류제보하기
Grid-connected transformerless photovoltaic (PV) inverters (TPVIs) are increasingly dominating the market due to their higher efficiency, lower cost, lighter weight, and reduced size when compared to their transformer based counterparts. However, due to the lack of galvanic isolation in the low voltage grid interconnections of these inverters, the PV systems become vulnerable to leakage currents flowing through the grounded star point of the distribution transformer, the earth, and the distributed parasitic capacitance of the PV modules. These leakage currents are prohibitive, since they constitute an issue for safety, reliability, protection coordination, electromagnetic compatibility, and module lifetime. This paper investigates a wide range of multi-kW range power rating TPVI topologies and classifies them in terms of their leakage current attributes. This systematic classification places most topologies under a small number of classes with basic leakage current attributes. Thus, understanding and evaluating these topologies becomes an easy task. In addition, based on these observations, new topologies with reduced leakage current characteristics are proposed in this paper. Furthermore, the important efficiency and cost determining characteristics of converters are studied to allow design engineers to include cost and efficiency as deciding factors in selecting a converter topology for PV applications.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. CLASSIFICATION
Ⅲ. ZERO STATE TPVI TOPOLOGIES
Ⅳ. SOLIDLY CLAMPED TPVI TOPOLOGIES
Ⅴ. LEAKAGE CURRENT CHARACTERISTICS OF THETPVIS
Ⅵ. ADDITIONAL PERFORMANCE CHARACTERISTICS OF THE TPVIS
Ⅶ. CONCLUSION
REFERENCES
참고문헌 (33)
참고문헌 신청
1. [인터넷자원] - U. S. Department of Energy, Energy Efficiency and Renewable Energy / / 2010 Solar Technologies Market Report
2. [학술지(정기간행물)] - S. Kjaer / 2005 / A review of single-phase grid-connected inverters for photovoltaic modules / IEEE Trans. Ind. Appl. 41 (5) : 1292 ~ 1306
3. [단행본] - R. Teodorescu / 2011 / Grid Converters for Photovoltaic and Wind Power Systems / John Wiley & Sons
4. [학술대회논문] - B. Burger / 2007 / 25 years transformerless inverters / Proc. 22nd European PV Solar Energy Conf. : 2473 ~ 2477
5. [학술대회논문] - F. Schimpf / 2008 / Grid connected converters for photovoltaic, state of the art, ideas for improvement of transformerless inverters / Nordic Workshop on Power and Industrial Electronics
2. [학술지(정기간행물)] - S. Kjaer / 2005 / A review of single-phase grid-connected inverters for photovoltaic modules / IEEE Trans. Ind. Appl. 41 (5) : 1292 ~ 1306
3. [단행본] - R. Teodorescu / 2011 / Grid Converters for Photovoltaic and Wind Power Systems / John Wiley & Sons
4. [학술대회논문] - B. Burger / 2007 / 25 years transformerless inverters / Proc. 22nd European PV Solar Energy Conf. : 2473 ~ 2477
5. [학술대회논문] - F. Schimpf / 2008 / Grid connected converters for photovoltaic, state of the art, ideas for improvement of transformerless inverters / Nordic Workshop on Power and Industrial Electronics
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