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The Overview of Damping Methods for Three-phase Grid-tired Inverter with LLCL-filter
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| Author(s) |
Min HUANG, POH CHIANG LOH, FREDE BLAABJERG |
| Abstract |
Compared with LCL filter, an LLCL-filter is characterized with smaller size and lower cost for grid-connected inverters. But this high order filter may also have resonant problem which will affect the system stability. Many methods can be used to alleviate the resonant problem including active damping, passive damping or even without damping if it is designed conservative. In this paper, an overview of damping methods for three-phase voltage-source grid-tied with LLCL-filter is given. This paper also analyzes damping principle of each method including passive damping and active damping and shows the advantages as well as disadvantages of these methods. |
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| Filename: | 0565-epe2014-full-23155047.pdf |
| Filesize: | 482.6 KB |
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| Type |
Members Only |
| Date |
Last modified 2015-06-08 by System |
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