Step by Step Design of a High Order Power Filter for Three-Phase Three-Wire Grid-connected Inverter in Renewable Energy System

Min Huang, Frede Blaabjerg, Yongheng Yang, Weimin Wu

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Abstrakt

Traditionally, when designing an LCL-filter, a three-phase inverter is simplified as a single-phase inverter for analysis and the output phase voltage is used to calculate the inverter-side current harmonics and to design inverter-side inductor. However, for a three-phase three-wire grid-tied system, the output current harmonics of inverter are directly affected by the output line to line voltage. Hence, this paper proposes a new method to analyze the inverter output current harmonics by using the equivalent phase voltage of the three phase inverter. Based on this, a step by step design method of the high order power filter is introduced. Simulations are carried out to verify the accuracy and the validity of the proposed methods through a 6 kW, 380V/50 Hz grid-connected inverter model with three different types of high order power filters.
OriginalsprogEngelsk
TitelProceedings of the 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2013
Antal sider8
ForlagIEEE Press
Publikationsdato2013
Sider1-8
ISBN (Trykt)978-1-4799-0692-5
DOI
StatusUdgivet - 2013
Begivenhed 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2013 - Rogers, Arkansas, USA
Varighed: 8 jul. 201311 jul. 2013

Konference

Konference 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2013
LandUSA
ByRogers, Arkansas
Periode08/07/201311/07/2013

Emneord

  • LLCL-filter
  • LCL-filter
  • Current harmonics
  • Voltage harmonics
  • Equivalent phase voltage
  • Design procedure
  • Three-phase grid-tied inverter
  • SPWM

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  • Citationsformater

    Huang, M., Blaabjerg, F., Yang, Y., & Wu, W. (2013). Step by Step Design of a High Order Power Filter for Three-Phase Three-Wire Grid-connected Inverter in Renewable Energy System. I Proceedings of the 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2013 (s. 1-8). IEEE Press. https://doi.org/10.1109/PEDG.2013.6785603