Modelling and performance of fixed-speed induction generators in power system oscillation stability studies

Zhang, Jian and Dysko, A. and O'Reilly, John and Leithead, W.E. (2008) Modelling and performance of fixed-speed induction generators in power system oscillation stability studies. Electric Power Systems Research, 78 (8). pp. 1416-1424. ISSN 0378-7796

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Abstract

This paper describes the modelling and performance effects of induction generator-based wind farms on the oscillation stability of power systems. For groups of 5, 10 and 20 induction generators, it is established that the basic dynamic properties of each group of generators are similar to those of a third-order equivalent machine model whether the generators are evenly loaded or unevenly loaded. The paper analyses the impact of induction-based wind generation on oscillation stability for multi-machine systems as applied to the standard IEEE 30 bus system. The effects of load model representation, system loading, generator output and transmission line network parameters are considered. In general, the multi-machine system is shown to be well damped under all normal operating conditions.