A novel active voltage and frequency regulator to improve grid- disconnection transients of self-excited induction generator system

Woei Luen Chen, Yuan Yih Hsu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

Loss of frequency and voltage regulation will be experienced by a self-excited induction generator system (SEIG) when it is disconnected from the utility grid. The SEIG may be shut down due to this grid-disconnection transient. To avoid the foregoing disadvantage, a novel active voltage and frequency regulator (AVFR) for a wind- turbine driven SEIG was developed in this paper. The control strategy of the AVFR is based on the decoupled d- And q-axis control in a synchronously rotating reference frame. The advantages of this scheme are that it can not only compensate the reactive power while SEIG is working in the grid-connection mode but it is also capable of stabilizing the frequency and voltage in the grid-disconnection mode. A mathematical model for this system is first developed, and then the simulation is performed on MATLAB/SIMULINK platform. The simulated results reveal that the performance of AVFR can be used to maintain output frequency and to mitigate terminal voltage fluctuations for the SEIG.

Original languageEnglish
Title of host publication5th International Conference on Power Electronics and Drive Systems, PEDS 2003 - Proceedings
EditorsKing-Jet Tseng
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1586-1590
Number of pages5
ISBN (Electronic)0780378857
DOIs
StatePublished - 2003
Externally publishedYes
Event5th International Conference on Power Electronics and Drive Systems, PEDS 2003 - Singapore, Singapore
Duration: 17 11 200320 11 2003

Publication series

NameProceedings of the International Conference on Power Electronics and Drive Systems
Volume2

Conference

Conference5th International Conference on Power Electronics and Drive Systems, PEDS 2003
Country/TerritorySingapore
CitySingapore
Period17/11/0320/11/03

Bibliographical note

Publisher Copyright:
© 2003 IEEE.

Keywords

  • PWM inverter
  • Reactive power compensation
  • SEIG (self-excited induction generator)
  • Voltage regulation
  • WECS (wind energy conversion system)
  • Wind-turbine

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