Reduced-order model of Type-C wind turbine generators

Hector A. Pulgar-Painemal, Peter W. Sauer

Research output: Contribution to journalArticlepeer-review


This paper presents a wind turbine generator (WTG) reduced-order model for time domain simulations. Selective modal analysis is used to reduce the model order by focusing on the most relevant modes and variables. In most cases, a single relevant mode is found; thus, a first-order model that captures the relevant mode is derived. Depending on the WTG dynamics, in some cases, reduced-order models of higher order are required. The proposed model is applied to both 4-bus and 39-bus test systems. The results show that the proposed reduced-order model closely resembles the impact of WTGs in a power system, even when large perturbations occur. Line and synchronous generator (SG) outages are taken into account. The proposed model reduces the simulation time and the power system model complexity.

Original languageEnglish (US)
Pages (from-to)840-845
Number of pages6
JournalElectric Power Systems Research
Issue number4
StatePublished - Apr 2011


  • Power system dynamics
  • Wind power modeling

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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