University of South Wales Master of Sciences Thesis
Renewable power resources
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- 3.2.1. Solar irradiation and wind speed
- Fig 3.2
| 3.2. Renewable power resources
The renewable energy resources used here are the solar energy and the wind energy. The renewable energy resources (insolation and wind speed) data are discussed and the corresponding power calculations from a single PV-panel and a wind turbine are discussed and are assumed for both types of load profiles below. 3.2.1. Solar irradiation and wind speed To meet the load demand defined by Figure 3-1, the energy sources (PV-arrays, wind turbines and Genset) with the storage devices must be sized properly so that efficient power utilization can be achieved. The hourly average solar insolation and wind speed data must be collected from the site where the hybrid power system is to be installed and must be examined over a series of years. These data are used in system unit sizing, and the generation and load are assumed to keep constant in each hour interval. For the site in consideration, the solar average hourly insolation and wind speed24 are shown in Figure 3-2. Fig 3.2: Average hourly solar insolation and wind speed considered. Standalone hybrid generation system for the remote area of Thar, Pakistan The insolation (irradiation) is the intensity of power per unit area given in (KW/m2) and the wind speed is given in m/s. The insolation and wind speed data considered here are given assuming they are constant each hour though resources vary each hour and seasonally. It is hardly possible to get high solar irradiation and high wind speed at the same time, and from Figure 4-2 it can be seen that high insolation is at daytime (around 12:00 – 16:00hrs) and high wind speed at nighttime (around 19:00 – 01:00hrs). Depending on the geographical location of the site considered, the data of the renewable sources also vary and thus these data are only used here to develop the approach for sizing the renewable energy sources. tải về 6.62 Mb. Chia sẻ với bạn bè của bạn:
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