Modeling and Simulation of Wind Farms with Variable Speed Wind Turbines Using Full-Scale Converters for Power System Dynamic Studies

MOLINA, MARCELO GUSTAVO; SANCHEZ, ANDRÉS GERMÁN; RIZZATO LEDE, ADRIEL MARCOS

Mar del Plata

Congreso; Congreso Iberoamericano de Hidrógeno y Fuentes Sustentables de Energía: HYFUSEN 2011; 2011

Instituto de Energía y Desarrollo Sustentable - Comisión Nacional de Energía Atómica

In order to study the impact of a wind farm on the dynamics of the power system, a significant issue is to develop adequate equivalent models that allow characterizing the dynamics of all individual wind turbine generators (WTGs). In this sense, with the advance of power electronics, direct-driven permanent magnet synchronous generators (PMSGs) have drawn increased interest to wind turbine manufacturers due to its advantages over other variable-speed WTGs. In this way, this paper presents a comprehensive dynamic equivalent model of a wind farm with direct-driven PMSG wind turbines using full-scale converters and its control scheme. The proposed simplified modeling is developed using the state-space averaging technique and is implemented in the MATLAB/Simulink environment. The dynamic performance of the wind farm and its impact on the power system operation is evaluated using the phasor simulation method.