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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.7
- 수록면
- 920 - 928 (9page)
이용수
초록· 키워드
오류제보하기
Transformerless solar inverters have a higher efficiency than those with an isolation link. However, they suffer from a leakage current issue. This paper proposes a family of single phase six-switch transformerless inverter topologies with an ac bypass circuit to solve the leakage current problem. These circuits embed two unidirectional freewheeling current units into the midpoint of a full bridge inverter, to obtain a freewheeling current path, which separates the solar panel from the grid in the freewheeling state. The freewheeling current path contains significantly fewer devices and poor performance body diodes are not involved, leading to a higher efficiency. Meanwhile, it is not necessary to add a voltage balancing control method when compared with the half bridge inverter. Simulation and experiments are provided to validate the proposed topologies.
목차
Abstract
I. INTRODUCTION
II. LEAKAGE CURRENT ANALYSIS OF THE TRANSFORMERLESS INVERTER
III. CIRCUIT CONFIGURATION AND WORKING PRINCIPLE ANALYSIS OF THE PROPOSED TOPOLOGIES
IV. ANALYSIS OF CRITICAL ISSUES
V. EXPERIMENT RESULTS
VI. CONCLUSIONS
REFERENCES
참고문헌 (19)
참고문헌 신청
[학술대회논문] - O. Lopez / 2007 / Leakage current evaluation of a single phase transformerless PV inverter connected to the grid / Proc. IEEE APEC. : 907 ~ 912
[단행본] - / 2006 / Automatic Disconnection Device Between a Generator and the Public Low-Voltage Grid / VDE Press
[기타자료] - / 2003 / German Patent HERIC-Topology: DE 102 21 592 A1
[기타자료] - / 2006 / German Patent H5-Topology: DE 10 2004 030 912 B3
[학술지(정기간행물)] - M. C. Cavalcanti / 2012 / Eliminating leakage currents in neutral point clamped inverters for photovoltaic systems / IEEE Trans. Ind. Electron. 59 (1) : 435 ~ 443
[단행본] - / 2006 / Automatic Disconnection Device Between a Generator and the Public Low-Voltage Grid / VDE Press
[기타자료] - / 2003 / German Patent HERIC-Topology: DE 102 21 592 A1
[기타자료] - / 2006 / German Patent H5-Topology: DE 10 2004 030 912 B3
[학술지(정기간행물)] - M. C. Cavalcanti / 2012 / Eliminating leakage currents in neutral point clamped inverters for photovoltaic systems / IEEE Trans. Ind. Electron. 59 (1) : 435 ~ 443
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UCI(KEPA) : I410-ECN-0101-2016-560-001684284