LCL Filter Design for Three Phase AC-DC Converters Considering Semiconductor Modules and Magnetics Components Performance

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Abstract

LCL filters are commonly adopted to attenuate the current harmonics produced by Pulse Width Modulation (PWM) Voltage Source Converters (VSC). Due to the nature of LCL filters, several combinations of L and C can deliver the attenuation required by the standards. The optimal configuration is generally evaluated, considering power density, costs, and filter efficiency. This paper shows that semiconductor efficiency should also be considered as an important design variable. It is shown that the AC ripple across the converter side inductor can reduce, to a certain extent, the overall semiconductor losses, when commercial IGBTs and the respective anti-parallel diodes are used. Reduced losses have benefits in terms of semiconductor module lifetime, chip area and cost reduction, and simplification of cooling requirements. Higher AC ripple, however, negatively affect the filter losses. Nonetheless, inductive components are typically much less critical in terms of losses dissipation and lifetime than semiconductors.
Original languageEnglish
Title of host publication2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
PublisherIEEE
PagesP.1-P.8
Number of pages8
ISBN (Electronic)978-9-0758-1536-8
ISBN (Print)978-1-7281-9807-1
DOIs
Publication statusPublished - 2020
EventEPE'20 ECCE EUROPE: 22nd European Conference on Power Electronics and Applications - Lyon, France
Duration: 7 Sep 202011 Sep 2020
Conference number: 22nd

Conference

ConferenceEPE'20 ECCE EUROPE
CountryFrance
CityLyon
Period7/09/2011/09/20

Bibliographical note

Accepted author manuscript

Keywords

  • Voltage Source Converter (VSC)
  • Passive filter

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