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Minimising UMP in DFIGs
The Journal of Engineering
The Doubly Fed Induction Generator (DFIG) has become increasingly popular in wind energy generation because of the lower power electronics converter rating required. However, the small airgap of a DFIG causes it to be vulnerable to slight misalignment of the rotor which may cause a large unbalanced magnetic pull (UMP) to be exerted on the bearing. The reliability of the generator is important to reduce revenue loss; this is especially the case for generators in offshore wind turbines wheredoi:10.1049/joe.2018.8088 fatcat:jua5yzzisbgujfyc23omxgwp2m