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Impact of wind farms capacity factor and participation in frequency support – reliability analysis

Attya, A. B. and Subramanian, B. (2015) Impact of wind farms capacity factor and participation in frequency support – reliability analysis. In: IEEE 5th International conference on Power Engineering, Energy and Electrical Drives,, 2015-05-11 - 2015-05-13.

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Abstract

Expanded integration of wind energy implies technical confronts to maintain system reliability. Thus, comprehensive reliability models for wind turbines and related features are required. Composite and precise wind farms (WFs) reliability analysis includes wind turbine generator (WTG) detailed models besides wind speed (WS) probabilistic variations considering wake effects. This paper is considered as an extension to the proposed multi-state duration sampling model to asses WTG reliability integrated with a comprehensive representation for WF. The paper investigates the impacts of two WTG frequency support operation algorithms on capacity factors and first hierarchical level indices. LOEE is evaluated using a novel method to emphasis the chronological coordination between load and WS attitudes. System and load points’ reliability indices are estimated at moderate penetration levels of wind energy using a simplified technique. Results insure the feasibility of the composite WTG reliability model and provide reasonable indicators for WFs integration influence.