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Round-the-year security analysis with bottleneck ranking for interconnected power systems with large-scale wind power

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6 Author(s)
Ciupuliga, A.R. ; Dept. of Electr. Sustainable Energy, Delft Univ. of Technol., Delft, Netherlands ; Gibescu, M. ; Pelgrum, E. ; Jacobs, P.G.H.
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The ongoing liberalization process in Europe together with the growing penetration of renewable energy sources (RES), e.g. wind power, require an internationally oriented transmission planning approach that considers the increased uncertainties in terms of trade, location of generation and output of intermittent RES. This paper identifies and ranks bottlenecks, which is the first step of the transmission expansion planning process of interconnected transmission grids. A round-the-year approach is adopted by combining market simulations with static security analysis. Many combinations of load and generation (including renewables) are created and analyzed, using unit dispatch based on cost optimization. For each combination the branch loadings are determined for normal and contingency situations. A statistical risk-based approach for ranking the most severe bottlenecks is developed. The method is illustrated on a modified New England test system where wind power was added at several buses. A regional analysis and a detailed per-area analysis are presented.

Published in:

Innovative Smart Grid Technologies Conference Europe (ISGT Europe), 2010 IEEE PES

Date of Conference:

11-13 Oct. 2010