Stand-alone hybrid energy systems
Date
2018-04-10
Authors
Sharma, Hiteshi
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Abstract
Portugal is highly dependent on imported fuels when it comes to the energy sector. The
government continuously aims at creating a sustainable and competitive renewable energy
system. The need for balancing the supply and load demand in the electrical sector is
a priority. To promote economic development in Portugal, the government always intend
to initiate new projects like the construction of the solar plant. The United Kingdom
(UK) solar company WELink Energy will develop a 220MW solar plant in south Portugal
and have signed an Engineering, Procurement and Construction (EPC) agreement with
China Triumph International Engineering Cooperation (CTIEC). There are 4 ongoing solar
projects in Algarve that will produce enough electricity to ful ll the load demand. The
problem that the government is facing is the expansion of hybrid power system using other
renewable resources in order to overcome climatic changes. In order to design a hybrid
system, it is very important for the government to consider the minimum net present cost
con guration for ful lling the load demand. The standalone hybrid system consists of a
photovoltaic array (PV), a wind turbine (WT), a diesel generator (DG) and a battery.
Di erent scenarios have been considered using HOMER software to obtain the lowest net
present cost of the hybrid system. The results will establish the con guration to eradicate
the problems the villagers are undergoing due to unavailability of electricity. This will lead
to enhanced job opportunities and better living conditions in Algarve.
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Keywords
Hybrid power, PV, Wind