Document Type : Original Article
Authors
1
Industrial Management, Faculty of Management, Islamic Azad University, Firuzkoh Branch, Firozkoh, Tehran, Iran
2
Assistant Professor, Faculty of Industrial Management, Firozkoh Azad University, Tehran, Iran
3
Assistant Professor, Faculty of Mathematics, Firozkoh Azad University, Tehran, Iran
10.22052/eem.2024.254398.1052
Abstract
The purpose of this research is to optimize the combined system consisting of solar photovoltaic panels and diesel generator as two decision variables and 5 optimization objective functions including electricity consumption, gas consumption, fuel consumption, the amount of pollutant reduction and also investment return as dependent variables. To find the best combination of selected factors in the system, the response surface method has been used, the results showed that the area of photovoltaic panels in the optimal state is equal to 11770 square meters and the power of the optimal diesel generator is equal to 984 kW. Also, in optimal conditions, the system has the best performance and the combined utility is equal to 0.740, indicating that the performance of the optimal system is close to the ideal state, i.e. 1. In terms of energy consumption, the optimal system achieves a total electricity consumption of 1026860 kilowatts, a total gas consumption of 205182 cubic meters, a total diesel fuel consumption of 1338030 liters, an amount of environmental pollutants of 3693.23 kilograms, and a return period of 1.679 years. Also, strategy 1, which includes the direct purchase of the total electricity demand from the grid and the direct sale of the total electricity produced by the system to the grid, seems to be economically more economical. The results of the simulation showed that the investigated combined system is a suitable solution for the simultaneous production of energy. It is electric and thermal and is capable of producing electric and thermal energy throughout the year
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