Energia Eólica - EOL
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- Geometry effects on internal flow patternsPublication . Estanqueiro, Ana; Sancho, F. E. P.; Delgado, J. Dias; Saraiva, J. A. GilThe aim of the work presented in this paper is to look for the changes in internal flows due to the combined action of thermal effects and atmospheric wind (natural ventilation) caused by external geometry. Two different configurations are presented as an illustration of the model application.
- Transient electromechanical characteristics of a CSCF WECPublication . Estanqueiro, Ana; Silva, F. Marques da; Marques, C.; Saraiva, J. A. Gil
- On the effect of the utility grid characteristics in a wind park power output fluctuationsPublication . Estanqueiro, Ana; Aguiar, Ricardo; Saraiva, J. A. Gil; Castro, Rui; Jesus, J.M. Ferreira
- The development and application of a model for power output in a wind parkPublication . Estanqueiro, Ana; Aguiar, Ricardo; Saraiva, J. A. Gil; Castro, Rui; Jesus, J.M. Ferreira
- Uma abordagem espectral à geração de séries correlacionadas de ventoPublication . Aguiar, Ricardo; Estanqueiro, Ana; Saraiva, J. A. Gil
- WEC'S unsteady power output simulationPublication . Estanqueiro, Ana; Jesus, J.M. Ferreira; Saraiva, J. A. GilA numerical method for the simulation of horizontal axis wind turbines (HAWT) was developed. Time-variable wind velocity, and induction generators in steady and transient states, conneted to the utility grid (SEE) were considered.
- The influence of transmission system disturbances on the dynamic behaviour of a wind parkPublication . Castro, Rui; Jesus, J.M. Ferreira; Estanqueiro, Ana; Aguiar, Ricardo; Saraiva, J. A. GilIn this paper an integrated non-linear model of both the wind park and the interconnecction network is presented. The model is an integartion of model previously developed for each componenet of the system, namely wind turbines, induction generators, reactive power compensation system, transformers, feeder and possible local loads connected to the feeder. In order to draw some conclusions regarding the interaction between wind parks and the existing a.c. system, some case studies have been performed using the developed models.
- Um modelo de comportamento de conversores eólicos de eixo horizontalPublication . Estanqueiro, Ana
- The use of stiff and flexible rotor models with regard to wind turbines power qualityPublication . Estanqueiro, Ana; Jesus, J.M. Ferreira; Castro, Rui; Saraiva, J. A. Gil
- Modelling machine interaction in a wind park with regard to stability and regulation: present status of NATO SfS Po-MISTRALPublication . Castro, Rui; Estanqueiro, Ana; Saraiva, J. A. Gil; Gomes, Luís; Jesus, J.M. Ferreira