The paper introduces a novel reliability-based planning method for the electrical collector system (ECS) cable layout of large-scale offshore wind farms (OWFs). The key highlights are:
The proposed method overcomes the limitations of conventional planning approaches that restrict the ECS layout to predefined radial or ring structures. Instead, it optimizes the ECS cable layout without structural restrictions to achieve the best balance between economic efficiency and reliability.
A two-stage stochastic programming model is formulated to address the uncertainties of wind power and system contingencies. The model incorporates optimal post-fault network reconfiguration strategies by adjusting wind turbine power supply paths through link cables.
To tackle the computational challenges arising from the large number of contingency scenarios, a customized progressive contingency incorporation (CPCI) framework is developed. It iteratively identifies non-trivial scenarios and solves the simplified problems, with theoretical guarantees on convergence and optimality.
Numerical tests on several real-world OWFs validate the necessity of fully optimizing ECS structures and demonstrate the efficiency of the CPCI algorithm.
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by Xiaochi Ding... a las arxiv.org 09-20-2024
https://arxiv.org/pdf/2409.12873.pdfConsultas más profundas