OSTOLAZA, Joseba Xabier; ETXEBERRIA, Aitor; ZUBIA, Itziar

doi:10.1016/j.enconman.2015.09.063

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OSTOLAZA, Joseba Xabier

ETXEBERRIA, Aitor
ESTIA INSTITUTE OF TECHNOLOGY

ZUBIA, Itziar

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Energy Conversion and Management. 2015-10-08, vol. 106, p. 428-439

Résumé en anglais

This paper presents the explicit electromagnetic transient model of a Doubly Fed Induction Generator (DFIG), that includes its coupling with the back-to-back converter, when the generator/converter set is connected to the wind farm’s Thevenin equivalent, as seen from DFIG’s terminals. Besides that, DFIG’s grid side converter control system is defined in detail, so that expressions for the direct tuning of all compensators are provided. The overall electromechanical wind generator model includes 24 state variables: four mechanical, eleven electrical, and nine more – one for each controller – associated to the control system. The developed model is complemented with a state machine that implements the sequential control among the different stages that define its operational modes. Simulation and experimental results show that the developed model is able to predict the behaviour of the generator in short and long term scenarios.< Réduire

Mots clés en anglais

Wind power generation

DFIG wind generator full-order transient model

Wind farm node Thevenin impedance

Grid and rotor side converter multi-loop control

Decoupling control

Operational modes of the generator

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Wind farm node connected DFIG/back-to-back converter coupling transient model for grid integration studies

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