1. Incorporation of wind power in the East Danish power system. Proceedings of IEEE Power Tech Conference, Budapest, Hungary, August 1999, Paper BPT99-202-50.
2. Eltra, Specifications for Connecting Wind Farms to the Transmission Power Networks, 2nd edn, Eltra Transmission System Planning, April 2000, ELT1999-411a, available at: www.eltra.dk.
3. Power System Stability and Control. EPRI, McGraw-Hill: New York, 1994; 1176.
4. Induction generator models in dynamic simulation tools. Proceedings of the International Conference on Power System Transients, Budapest, Hungary, June 1999; pp. 253-258.
5. Dynamics and Stability of Wind Turbine Generators