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Inverter Performance for Small Wind Turbines When Connected In Paralled with the Low-Voltage Distribution System

Jonathan Blackledge*, Eugene Coyle**, Derek Kearney***, Eamonn Murphy****

* Stokes Professor, Dublin Institute of Technology.

** Head of External Research, Dublin Institute of Technology.

*** Lecturer, Dublin Institute of Technology.

**** Technician, Dublin Institute of Technology.

Periodicity:November - January'2013
DOI : https://doi.org/10.26634/jes.1.4.2107

Abstract

Small wind turbines have been installed in urban and turbulent locations with surprisingly poor performance and this has been backed up by data from a trial at the Dublin Institute of Technology. In order to develop the small wind turbine industry, a careful examination of assessment methods for the wind resource is required. Small wind turbines are connected in parallel with the grid use inverters. As the wind turbine is not always at max output, a Weighted Average Efficiency for wind inverters is proposed. Pitfalls associated with developing an accurate weighted average efficiency for an inverter are identified and this will enable a more accurate sizing of the inverter for the turbine. The methodology for determining the performance of inverters and small wind turbines can be applied to any location.

Keywords

Inverter Efficiency, Micro-Wind Turbine, Weighted Average Efficiency, Sizing of Inverters, Wind Resource.

How to Cite this Article?

Blackledge,J., Coyle,E., Kearney,D., and Murphy,E. (2013). Inverter Performance for small Wind Turbines when Connected in Paralled with the Low-Voltage Distribution System. i-manager’s Journal on Embedded Systems, 1(4), 9-16. https://doi.org/10.26634/jes.1.4.2107

References

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[2]. Bower, W. (2004). Performance Test Protocol for Evaluating Inverters Used in Grid-Connected Photovoltaic Systems. San Ramon: Sandia National Laboratories.

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[5]. EN50438. (2007). Requirements for the Connection of Micro-Generators in Parallel with Public Low-voltage Distribution Networks In B. Standards (Ed.).

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