Archivo para febrero 21st, 2016

Illustration of the wind on the rotor area of a wind turbine

Wind turbines produce a complex and continuously fluctuating power. A large part of  the complexity resides on the input: the wind.The main source of power variation on  conventional wind turbines is the wind speed variation.  The wind is complex and the blades crossing the wind field modify the power fluctuations. The main objective of this chapter is to present a dynamic wind model for power quality assessment of a three bladed up-wind horizontal axis wind turbine type. The wind speed model includes the turbulence and tower shadowin the rotor area.  The figure illustrates an example of the wind field acting on the rotor area of a wind turbine.

Pedro Rosas.”Dynamic Influences of Wind Power on the Power System”. PhD Thesys. DTU. 2003.


simulation of deficit and surplus of two microgrids interconnected in Matlab

This is a part of my results about interconnected of two microgrids. It have flow power in function a its capacities, but probably a deficit and/or surplus in supply or demand in both microgrids is present. Negative is deficit in microgrid to import from other source different to other microgrid. Positivo is surplus in microgrid by export to other demand different at other microgrid. The figure is a simple example for to show that it is possible using mathematical modelling and simulations on Matlab of MathWork Inc.