Some Differences Between V90-3 and V90-2/V80s
- Does not use a low speed shaft (the gearbox is integral to the main bearing).
- Generator is liquid cooled (with an associated additional cooling system).
- Lighter tower construction
- Different shape of the back of the nacelle to accommodate this cooling system.
- Yawing system which used 6 motors rather than 4.
- The V90-3 exclusively uses gearboxes manufactured by Hansen.
- Additional frame structure on nose cone to accommodate hub escape hatch.
- Disk brake for parking.
- New blade construction incorporating carbon fiber in main spar
- Vortex shedders on blades.
Read more about this topic: Vestas V90-3MW
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