Sumários

Test

1 Abril 2016, 11:00 José Alberto Caiado Falcão de Campos

Test


Problems on HAT control

1 Abril 2016, 08:00 José Alberto Caiado Falcão de Campos

Problems for pitch control toward stall (negative pitching) and toward the current (positive pitching).


Control of Tidal HAT Turbines

31 Março 2016, 08:00 José Alberto Caiado Falcão de Campos

Safety and control. Objectives. Control by passive stall and active pitching. Pitch to stall and pitch to vane. Control at full load and at partial load. Generator torque control. The thrust speed curve. Load peak alleviation.


Problems on Energy Production

16 Março 2016, 18:00 José Alberto Caiado Falcão de Campos

Problems on Energy Production


Energy Production

14 Março 2016, 18:30 José Alberto Caiado Falcão de Campos

The origin of Tides. Tidal forcing. The current data: time series from tidal harmonics. The turbine power curve.The calculation of the Annual Energy Yield. Integration of the current time series from tidal harmonics. Matching the turbine to the tidal current data. Choice of the rated speed. The influence of turbine submergence on the energy production. The effect of the bottom boundary-layer profile.