Effecto de PODCs para granjas eólicas basadas en DFIGs en el amortiguamiento de oscilaciones interárea y torsionales (Effect of PODCs for DFIG Based Wind Farms in the Inter-area and Torsional Oscillation Damping)

Miguel Ramírez (miguel.ramirez@iie.org.mx)1, Guillermo Calderón (jgcg@iie.org.mx)1, Rafael Castellanos (rcb@iie.org.mx)1


1Instituto de Investigaciones Eléctricas

This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2016
Volume: 14,   Issue: 8 
ISSN: 1548-0992


Abstract:
The damping contribution to inter-area and torsional oscillation modes of two power oscillation damping controllers (PODCs) in doubly-fed induction generators based wind farms is investigated in this paper. On one side, a no lead/lag compensation PODC is designed through eigenvalue analysis. On the other side, a PODC with lead/lag compensation is developed with the inclusion of an iterative process based on the bat optimization algorithm. Despite that both PODCs can effectively improve the damping of inter-area oscillations in this work, results from eigenvalue analysis and nonlinear time domain simulations of a sample multimachine power system reveal the relative negative impact that both of them may have on the shaft torsional oscillation mode damping.

Index Terms:
Wind energy generation, doubly-feed induction generator, inter-area oscillations, power oscillation damping controller, torsional oscillations   


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