WT-4. Cost of Energy (COE) analysis for ocean and river TT
Minimize COE of 1 MW TT (rated speed - 11 rpm, torque - 868 kNm, overspeed - 1.2) by choosing optimal (for lowest COE) drive train.
Given:
- Grid on-shore voltage – 6 kV
- Cables – from shore
- Some TT in the park are 1 km away from shore, some – 3 km
Cost of other parts of the system.
Try FC and trafo in the nacelle.
Compare ocean TT and river turbine, the latter always having 100% load.