A current-source-converter-based PMSG wind energy conversion system: simulation study

M. A. Elgenedy, A. S. Abdel-Khalik, A. A. Elserougi, S. Ahmed, A. Massoud

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

Wind energy is a prominent area of application of variable-speed generators operating on the constant grid frequency. This paper describes the operation and control of one of these variable-speed wind generators, namely, the Current Source Converter (CSC) based Permanent Magnet Synchronous Generator (PMSG). This generator is connected to the power network by means of a fully controlled frequency converter, which consists of a Pulse Width Modulation (PWM) rectifier, an intermediate dc circuit, and a PWM inverter. The generator is controlled to obtain maximum power from the incident wind by applying flux oriented control (FOC) to the generator side converter (Current Source Rectifier, CSR). On the other hand, voltage oriented control (VOC) is applied the grid-side converter (Current Source Inverter, CSI) to allow unity power factor operation of the windmill and to control the dc-link current. The controller keeps the dc-link current at a minimum value with various wind speeds to reduce the converter power loss at lower power levels. A simulation study is carried out using Matlab/Simulink to simulate the system under different conditions.
Original languageEnglish
Title of host publication2012 15th International Middle East Power System Conference (MEPCON)
PublisherIEEE
Number of pages6
Publication statusPublished - 23 Dec 2012

Keywords

  • current source converter (CSC)
  • permanent magnet synchronous generator (PMSG)
  • maximum power point tracking (MPPT)
  • space vector modulation (SVM)
  • flux oriented control (FOC)
  • voltage oriented control (VOC)

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