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Stochastic Modeling of Tidal Generation for Transient Stability Analysis: A Case Study based on the All-Island Irish Transmission System

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The renewable energy currently generated in the Irish system is almost entirely supplied by wind power plants. However, in the sea around Ireland there is a significant tidal energy potential. This paper provides a comparison of these two renewable energy sources, namely wind and tidal, in terms of short-term variability and its impact on the dynamic behavior of the system. With this aim, stochastic models of the short-term variability of these two energy sources are proposed. Simulation results indicate that tidal generation leads to larger frequency variations than those that are caused by wind generation. The paper also shows that the inclusion of frequency control in tidal power plants effectively mitigates such fluctuations.

Author(s):

Guðrún Margrét Jónsdóttir    
University College Dublin
Ireland

Federico Milano    
University College Dublin
Ireland

 

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