THE EVALUATION OF A PV-BATTERIES AND INVERTER POWER SYSTEM CONNECTED TO A GRID - SOLUTIONS FOR EMERGING SUSTAINABLE ENERGY IN IRAQ
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 0, Vol 4, Issue 10
Abstract
The impact of modern life requirements and climate change issues was a global interest that demand the instalments of different renewable energy components. The up-to-date IEA energy statistics shows that over-all energy-related CO2 emissions reached their utmost global level at 30.5 gigatonnes (GtCO2) in 2010, a 5% increasing from 2009. Because fossil fuels is a dominated power generation on the global measure, 2010 indicated another record in CO2 emissions from electricity generation at 11.8 GtCO2. In Iraq, because the shortage in electrical power plants, the national electricity grid was supported by a diesel generator units which are connected with grid and working as a secondary power plant, or an off-grid private units and distributed locally in the Iraqi cities. The results, more greenhouse-gas (GHG) emissions are growing. The integration of photovoltaic systems with buildings distributed worldwide to reduce fuel consumption and to minimize atmospheric pollution. In view of this, solar PV–Battery system promises lot of opportunities to cover part of the energy that supplied by grid directly or through diesel generators. The aim of this paper is to analyse solar radiation data of Baghdad city, to assess the possibility of hybrid PV–battery-inverter power systems to meet the load requirements of a typical domestic building annual electrical energy demand of 20.271 kWh/day. Baghdad city is located with longitude 44o 4’ and latitude 33o 3’. The monthly average daily global solar radiation about 5.52 kWh/m2 /day. The HOMER software used to realise the system evaluation. The simulation examines a hybrid system composed of 1,1.5,2 and 2.5 kWp capacity PV system together with 0,1, and 2 batteries storage and 1,1.5, 2 and 2.5kW inverter, the renewable energy fraction is 20, 29, 37, and 44%. The simulation indicates that, when we used a system with 2-2.5 kW PV module, the renewable fraction is increasing to (37%-44%), this increasing the COE value, which will be (0.12-0.144)US$/kWh.
Authors and Affiliations
Alaa Liaq Hashem Al-Mosawi
Keywords
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