Grid-Side AC line filter design of a current source rectifier with analytical estimation of input current ripple

Kaushik Basu, Ashish Kumar Sahoo, Visweshwar Chandrasekaran, Ned Mohan

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22 Scopus citations

Abstract

This paper presents a systematic step-by-step design procedure for the input filter of a current source rectifier (CSR). The design is based on the specifications of allowable ripple in the input voltage of the CSR and high-frequency harmonic components in the grid current. Analytical techniques have been developed to estimate the ripple present in the input current and to model the converter for fundamental or grid frequency. The analysis is done for carrier-based and space-vector modulation of the current source rectifier and the model at grid frequency is used to evaluate the design of the filter for grid power factor, voltage drop across filter, etc. A damping resistance is designed ensuring a minimum power loss. The analysis and design of the input filter have been verified by simulations in MATLAB/Simulink and experimental tests on a laboratory prototype.

Original languageEnglish (US)
Article number6767135
Pages (from-to)6394-6405
Number of pages12
JournalIEEE Transactions on Power Electronics
Volume29
Issue number12
DOIs
StatePublished - Dec 2014

Keywords

  • Carrier-based modulation (CM)
  • current source rectifier (CSR)
  • input power factor
  • space-vector modulation (SVM)
  • total harmonic distortion (THD)

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