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216 Hybrid-Renewable Energy Systems in Microgrids

4 Conclusion

In this study different combinations of HSs such as PV–wind–diesel–battery, PV–
diesel–battery, PV–wind–diesel, wind–diesel–battery, wind–diesel and PV–diesel
are used to find most feasible combinations for Darbhanga city of Bihar in India.
It is found that COE are 0.210 $/kWh for PV–wind–diesel–battery, 0.271 $/kW h
for wind–diesel–battery, 0.302 $/kWh for PV–wind–diesel, 0.552 $/kWh for wind–
diesel, 0.709 $/kWh for PV–diesel, showing PV–wind–diesel–battery has minimum
COE and PV–D has maximum COE. Therefore wind–diesel–battery is found to be
most feasible combinations for maximum power generation over Darbhanga city of
Bihar in India. The methodology followed in this study can be used to find most eco-
nomical and feasible combinations of HSs for different sites in the world.

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