Referenced Items are not available for this document.
Higher order LCL filters are essential in meeting the interconnection standard requirement for grid-connected voltage source converters. LCL filters offer better harmonic attenuation and better efficiency at a smaller size when compared to the traditional L filters. The focus of this paper is to analyze the LCL filter design procedure from the point of view of power loss and efficiency. The IEEE 1547-2008 specifications for high-frequency current ripple are used as a major constraint early in the design to ensure that all subsequent optimizations are still compliant with the standards. Power loss in each individual filter component is calculated on a per-phase basis. The total inductance per unit of the LCL filter is varied, and LCL parameter values which give the highest efficiency while simultaneously meeting the stringent standard requirements are identified. The power loss and harmonic output spectrum of the grid-connected LCL filter is experimentally verified, and measurements confirm the predicted trends.
Published in:
Industrial Electronics, IEEE Transactions on
(Volume:57
,
Issue:
12
)
Date of Publication: Dec. 2010
- Page(s):
- 4106 - 4114
- ISSN :
- 0278-0046
- INSPEC Accession Number:
- 11640562
- Digital Object Identifier :
- 10.1109/TIE.2010.2042421
- Product Type:
- Journals & Magazines
- Date of Publication :
- 08 February 2010
- Date of Current Version :
- 11 November 2010
- Issue Date :
- Dec. 2010
- Sponsored by :
- IEEE Industrial Electronics Society
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