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Effect of Doubly Fed Induction Generator on transient stability analysis of grid.

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4 Author(s)
Sheri, S. ; TCE Consulting Eng. Ltd., Bangalore, India ; Shankarprasad, B. ; Bhat, V.V. ; Jagadish, S.

This paper deals with the modelling and effect of Doubly Fed Induction Generator (DFIG) for wind turbines on transient stability analysis when connected to grid system. A reduced order model for the DFIG has been used. A controller for speed, voltage and power factor has also been implemented. The DFIG model and the controller are presented as Differential Algebraic Equations (DAE). A 7th order model for synchronous machine with IEEE type-I exciter has also been presented. The DAEs have been solved using Simultaneous Implicit (SI) method. Si-method is a numerical method that is widely used in industries now-a-days. Particle Swarm Optimization (PSO) has been implemented to optimize the DFIG controller gains. TSA simulation results for three 8 bus power system networks, with DFIG and infinite bus, with only synchronous machine and with DFIG and synchronous machine in the network, have been presented.

Published in:

Power Systems, 2009. ICPS '09. International Conference on

Date of Conference:

27-29 Dec. 2009