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Frequency Regulation Contribution Through Variable-Speed Wind Energy Conversion Systems

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4 Author(s)
Mauricio, J.M. ; Dept. of Electr. Eng., Univ. of Seville, Seville ; Marano, A. ; Gomez-Exposito, A. ; Martinez Ramos, J.L.

This paper presents a new method to enhance the participation of variable-speed wind energy conversion systems (WECS) in existing frequency regulation mechanisms. The proposed approach, based on a modified inertial control scheme, takes advantage of the fast response capability associated with electronically-controlled WECS, allowing the kinetic energy stored by rotational masses to be partly and transiently released in order to provide earlier frequency support. An additional improvement is achieved by communicating the WECS response to conventional generators so that these can eventually take care of the full load imbalance. Several simulations using a two-area test system are performed to demonstrate the benefits of the proposed scheme.

Published in:

Power Systems, IEEE Transactions on  (Volume:24 ,  Issue: 1 )