Articles | Volume 5, issue 4
Wind Energ. Sci., 5, 1237–1252, 2020
https://doi.org/10.5194/wes-5-1237-2020

Special issue: Wind Energy Science Conference 2019

Wind Energ. Sci., 5, 1237–1252, 2020
https://doi.org/10.5194/wes-5-1237-2020
Research article
01 Oct 2020
Research article | 01 Oct 2020

Comparison of electrical collection topologies for multi-rotor wind turbines

Paul Pirrie et al.

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Latest update: 17 May 2022
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Short summary
Multi-rotor wind turbines are an innovative solution to achieving cost-effective large-scale wind turbines. They utilize a large number of small rotors connected to one support structure instead of one large rotor. Benefits include reduction in cost, transport and installation simplicity, modular design, and standardization. This work compares different electrical systems in terms of cost, mass and efficiency and finds a star-type system (each rotor has its own cable) to be the most suitable.