Design of low speed switched reluctance machines for wind energy converters

Author(s):  
M.A. Mueller
2020 ◽  
Vol 67 (11) ◽  
pp. 9623-9634 ◽  
Author(s):  
Liren Huang ◽  
Z. Q. Zhu ◽  
Jianghua Feng ◽  
Shuying Guo ◽  
Yifeng Li ◽  
...  

2021 ◽  
pp. 487-532
Author(s):  
Marcos Blanco ◽  
Jorge Torres ◽  
Miguel Santos-Herrán ◽  
Luis García-Tabarés ◽  
Gustavo Navarro ◽  
...  

AbstractThis chapter is focused on Power Take-Off (PTO) systems for wave energy converters (WEC), being one of the most important elements since PTOs are responsible to transform the mechanical power captured from the waves into electricity. It presents Direct-Drive PTO (DDPTO) as one of the most reliable solutions to be adapted to some particular types of WEC, such as point absorbers. A discussion about modularity and adaptability, together with intrinsic characteristics of direct-drive PTOs, is also included. Among the different technologies of electric machines that can be used in direct-drive linear PTOs, switched reluctance machines (SRM) are described in further detail. In particular, the Azimuthal Multi-translator SRM is presented as a suitable solution in order to increase power density and reduce costs. Not only the electric machine, but also the associated power electronics are described in detail. The description includes the different configurations and topologies of power converters and the most appropriate control strategies. Finally, a superconducting linear generator solution is described, presenting it as a reliable alternative for the application of direct-drive PTOs. An example of concept and preliminary design is included in order to highlight the main challenges to be faced during this process.


2015 ◽  
Vol 9 (9) ◽  
pp. 652-659 ◽  
Author(s):  
Pedro Lobato ◽  
Joaquim A. Dente ◽  
João F. Martins ◽  
Armando J. Pires

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