A novel compensation scheme based on a virtual air gap variable reactor for AC voltage control

J. Avila-Montes, David Campos-Gaona, Enrique Melgoza Vázquez, J. R. Rodríguez-Rodríguez

Research output: Contribution to journalArticle

10 Citations (Scopus)
12 Downloads (Pure)

Abstract

Voltage control based on reactive power compensation is a fundamental aspect of the operation of ac electric power systems. This paper presents a novel shunt compensation scheme based on a virtual air gap variable reactor. The scheme is fully developed, from the adaptation of the virtual air gap principle to high-voltage applications and the determination of its expected performance, to the proposal of a digital cascade control using internal model and proportional-integral controllers. The suitability and flexibility of the device, and the voltage control and reactive power compensation scheme are verified by means of laboratory tests performed in a small-scale prototype. Measured results show that the proposed device and its control provide a robust load compensation scheme for ac systems.

Original languageEnglish
Pages (from-to)6547-6555
Number of pages9
JournalIEEE Transactions on Industrial Electronics
Volume61
Issue number12
Early online date1 May 2014
DOIs
Publication statusPublished - 31 Dec 2014

Keywords

  • air gap
  • automatic voltage control
  • dc-dc power converters
  • electric variables control
  • magnetic variables control
  • proportional-integral control
  • reactive power control

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