Is there a large wind turbine concept where the generator is located at the base of the tower? There is a quest for reducing generator weight through super conductors and/or direct drive.
Overview of Straight Drive Wind Turbine | Direct Drive Wind Turbine | Pengky
Electrical generators for direct drive systems: a technology overview - ScienceDirect
A Novel Vernier Reluctance Fully Superconducting Direct Drive Synchronous Generator With Concentrated Windings for Wind Power Application | Semantic Scholar
Eocycle's direct-drive wind turbine gains three new certifications
Energies | Free Full-Text | A Rare-Earth Free Magnetically Geared Generator for Direct-Drive Wind Turbines
Magnomatics Limited - PDD technology is prepared for wind turbine trials