Analysis of hydro-coupled power plants and design of robust control to damp oscillatory modes

Hugo N. Villegas Pico, Dionysios C. Aliprantis, James D. McCalley, Nicola Elia, Neby J. Castrillon

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

This paper presents an investigation of hydro power plants with pelton-type turbine-generator sets that are coupled hydraulically and electrically. In particular, the dynamic behavior and speed performance of this type of power plants at black-start is analyzed using singular value decomposition (SVD) and relative gain array (RGA). Following, robust control theory is used to design a hydro-stabilizer that improves the performance of coupled turbines while accounting for typical uncertainties in actuators.

Original languageEnglish (US)
Article number6861466
Pages (from-to)632-643
Number of pages12
JournalIEEE Transactions on Power Systems
Volume30
Issue number2
DOIs
StatePublished - Mar 1 2015
Externally publishedYes

Keywords

  • Dynamics
  • frequency control
  • frequency stability
  • hydroelectric power generation

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