Sumários

Chapter#3

7 novembro 2016, 20:00 • Rui Castro

PV cell operating principle. PV facts and figures. PV In Portugal. PV resource. Sun tracking systems. PV technologies: crystalline silicon cells; thin films; emerging technologies. Concentration technologies. PV costs. 

Chapter#3

31 outubro 2016, 20:00 • Rui Castro

Chapter 3 - PV energy. General concepts. Some definitions: irradiance, irradiation, Standard Test Conditions (STC), efficiency. PV equipment: module, MPPT, inverter. Energy produced by a PV module. NOCT. Fast estimate of DC power.

Chapter#2

24 outubro 2016, 20:00 • Rui Castro

Power in the wind. Prandtl law. Power curve. Analytical representation. The sigmoid function. Power coefficient (Cp). Energy production estimates. Annual energy computation example. Details on the wind assessment project.

Chapter#2

17 outubro 2016, 20:00 • Rui Castro

Wind characteristics. Effect of terrain. Wake effect. Anemometers. 

Wind generator components. Rotor, nacelle and tower. 
Wind data analysis. Histogram. Weibull distribution. Weibull parameters in Portugal. Weibull parameters estimation by Least Squares Method. Rayleigh distribution. 
Power in the wind. Available power. Betz limit. Prandtl law.

Chapter#2

10 outubro 2016, 20:00 • Rui Castro

Chapter 2 - Wind energy. Wind Energy in Portugal, World and Europe. Offshore wind power. WindFloat project. Wind energy prices and costs. Wind characteristics. Variation in time. Wind resource in Portugal.