Analysis of transformer less inverter for PV applications

  • Abstract
  • Keywords
  • References
  • PDF
  • Abstract

    To enhance the effectiveness and decrease the cost of a Photovoltaic (PV) system, the utilization of transformer less PV inverters is an option of expanding interest. In any case, this topology should be considered in detail, as it shows a few issues like effectiveness degradation and safety issues identified with the galvanic association between the system and the PV generator.

    In this research paper, a review of standalone and grid-connected PV inverter structures has been done. From one viewpoint, a few options in light of established structures have been introduced. At last parasitic capacitance in PV arrays and leakage current produced from PV systems are examined.

  • Keywords

    Photovoltaic; Transformer Less Inverters; Grid Connected Systems; Leakage Current; Parasitic Capacitance.

  • References

      [1] W. Kleinkauf, G. Cramer, and M. Ibrahim, “PV Systems Technology: State of the Art Developments and Trends in Remote Electrification", SMA Technologies AG, Dec. 2005.

      [2] M. Abella and F. Chenlo, "Choosing the Right Inverter for Grid Connected PV Systems”, Renewable Energy World, vol. 7, no. 2, pp. 132-147, Mar-Apr. 2004.

      [3] S. Kjær, J. Pedersen, and F. Blaabjerg, "A Review of Single Phase Grid Connected Inverters for Photovoltaic Modules”, IEEE Transactions on Industry Applications, vol. 41, no. 5, pp. 1292- 1306, Sep. 2005.

      [4] J.M. Carrasco et al. "Power Electronic Systems for the Grid Integration of Renewable Energy Sources: A Survey”, IEEE Transactions on Industrial Electronics, vol. 53, no. 4, pp. 1002-1016, Aug. 2006.

      [5] M. Meinhardt and G. Cramer, "Multi String Converter: The Next Step in Evolution of String Converter Technology”, European Power Electronics Conference, 2001.

      [6] S. Rollier, B. Richard, and M. Keller, “Earth Leakage Control in Solar Inverters”, Power System Design Europe, May 2005.

      [7] T. Ishikawa "Grid Connected Photovoltaic Power Systems: Survey of Inverter and Related Protection Equipments”, Report IEA PVPS T5-05: 2002, 2006.

      [8] L. Gertmar, P. Karlsson, and O. Samuelsson, "DC Injection to AC Grids from Distributed Generation”, European Conference on Power Electronics and Applications, 11-14, pp. 1-10, Sep. 2005.

      [9] H. Häberlin, L. Borgna, M. Kaempfer, and U. Zwahlen, "New Tests at Grid Connected PV Inverters: Overview over Test Results and Measured Values of Total Efficiency”, European Photovoltaic Solar Energy Conference, 4-8 Sep. 2006.

      [10] S. Jain and V. Agarwal, "A Single Stage Grid Connected Inverter Topology for Solar PV Systems With Maximum Power Point Tracking”, IEEE Transactions on Power Electronics, vol. 22, no. 5, pp. 1928-1940, Sep. 2007.

      [11] O. Lopez, R. Teodorescu, and J. Doval Gandoy, "Multilevel Transformerless Topologies for Single Phase Grid Connected Converters”, IEEE Annual Conference on Industrial Electronics, pp. 5191-5196, 2006.

      [12] U. Boeke and H. van der Broeck, “Transformerless Converter Concept for a Grid Connection of Thin film Photovoltaic Modules”, IEEE Industrial Application Social Annual Meeting, pp.1–8, Oct. 5–9 2008.

      [13] Eisner Safety Consultants "Leakage Current (Part 1)” May 2002.

      [14] IEEE Std 1547.1-2005. IEEE Standard Conformance Test Procedures for Equipment Interconnecting Distributed Resources with Electric Power Systems.

      [15] IEEE 929-2000. Recommended Practice for Utility Interface of Photovoltaic (PV) Systems.

      [16] IEC 61727 "Characteristics of the Utility Interface for Photovoltaic (PV) systems” International Electro technical Commission, IEC 61727, 2002.

      [17] BS EN 61000-3-2. (2001) Electromagnetic Compatibility - Part 3-2: Limits - Limits for Harmonic Current Emissions (equipment input current up to 16A per phase).

      [18] Holger Jedtberg,, Alberto Pigazo, Marco Liserre, and Giampaolo Buticchi “Analysis of the Robustness of Transformerless PV Inverter Topologies to the Choice of Power Devices” IEEE Transactions on Power Electronics, Vol. 32, No. 7, July 2017.

      [19] Monirul Islam and Saad Mekhilef “Efficient Transformerless MOSFET Inverter for a Grid-Tied Photovoltaic System” IEEE Transactions on Power Electronics, Vol. 31, No. 9, September 2016.




Article ID: 9995
DOI: 10.14419/ijet.v7i2.9995

Copyright © 2012-2015 Science Publishing Corporation Inc. All rights reserved.