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Abstract
LCL filter is the common interface between the Pulse Width Modulated Voltage Source Converter (PWM VSC) and the utility grid due to high harmonic attenuation capability and reduced size of the passive elements. The present paper investigates the most promising passive damping methods for
the LCL topology but also propose an overview of high order filters capable to offer even more attenuation than the LCL filter at a reduced size. This is the case of more recently introduced LCL topology with tuned traps. However, it is shown that by decreasing the size of the passive elements the robustness of the filter also is decreased. Thus, a comparison of the filter features including the robustness towards grid impedance variation, harmonic attenuation capability and losses in the damping circuit became interesting from a practical implementation point of view. The design of the proposed filters is validated by simulation and experimental results and covers two scenarios: high and low/medium power applications.
the LCL topology but also propose an overview of high order filters capable to offer even more attenuation than the LCL filter at a reduced size. This is the case of more recently introduced LCL topology with tuned traps. However, it is shown that by decreasing the size of the passive elements the robustness of the filter also is decreased. Thus, a comparison of the filter features including the robustness towards grid impedance variation, harmonic attenuation capability and losses in the damping circuit became interesting from a practical implementation point of view. The design of the proposed filters is validated by simulation and experimental results and covers two scenarios: high and low/medium power applications.
Original language | English |
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Title of host publication | Proceedings of the 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014 |
Number of pages | 8 |
Publisher | IEEE Press |
Publication date | Mar 2014 |
Pages | 2208-2215 |
ISBN (Print) | 9781479923250 |
ISBN (Electronic) | 9781479923267 |
DOIs | |
Publication status | Published - Mar 2014 |
Event | Applied Power Electronics Conference and Exposition, APEC 2014 - Fort Worth, Texas, United States Duration: 16 Mar 2014 → 20 Mar 2014 |
Conference
Conference | Applied Power Electronics Conference and Exposition, APEC 2014 |
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Country/Territory | United States |
City | Fort Worth, Texas |
Period | 16/03/2014 → 20/03/2014 |
Series | I E E E Applied Power Electronics Conference and Exposition. Conference Proceedings |
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ISSN | 1048-2334 |
Keywords
- LCL filter
- Power harmonic passive filters
- Voltage-source converters
- Stability
- Damping losses
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HARMONY: HARMONY - Harmonic identification, mitigation and control in power electronics based power systems
Blaabjerg, F., Bak, C. L., Wang, X., Beres, R. N., Kwon, J., Gui, Y., Yoon, C. & Ebrahimzadeh, E.
01/02/2013 → 28/02/2018
Project: Research