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Single-stage common-ground boost inverter (S2CGBI) for solar photovoltaic systems
  • Lee, Sze Sing ;
  • Shen Lim, Chee ;
  • Siwakoti, Yam P. ;
  • Lee, Kyo Beum
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Publication Year
2019-09-01
Journal
2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, pp.4229-4233
Keyword
Boost inverterCommon-groundSingle-stageSolar photovoltaic
All Science Classification Codes (ASJC)
Mechanical EngineeringControl and OptimizationEnergy Engineering and Power TechnologyElectrical and Electronic Engineering
Abstract
This paper presents a new transformerless inverter topology which is termed as a single-stage common-ground boost inverter (S2CGBI) for single-phase solar photovoltaic (PV) systems. The proposed topology provides a common-ground for both the dc source and ac output to eliminate the leakage current induced by the parasitic capacitance of PV cells. Voltage-boosting is made possible with the incorporation of only one inductor, which renders the realization of single-stage power conversion. The proposed pulse width modulation (PWM) technique is capable of charging the inductor with a constant duty-cycle while guaranteeing ac output generation. The operation of the proposed S2CGBI is analyzed. Simulation and experimental results are provided to validate the effectiveness of the proposed topology and modulation scheme.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36430
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85076725184&origin=inward
DOI
https://doi.org/10.1109/ecce.2019.8912963
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8897530
Type
Conference
Funding
ACKNOWLEDGMENT This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government (MOTIE) (No.20182410105160, Demonstration and Development of ESS Solution Connected with Renewable Energy against with the weather condition of Middle East Region).
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