| Optimization of the power supply system configuration for a combined solar\|storage\|oil irrigation machine with consideration of carbon efficiency |
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| DOI：10.7606/j.issn.1000-7601.2025.01.29 |
| Key Words: solar\|storage\|oil hard\|hose traveler configuration optimization PV forecasting carbon efficiency |
| Author Name | Affiliation | | LI Bohan | College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | LIU Kenan | College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | CAI Yaohui | Institute of Soil and Water Conservation, Ministry of Water Resources, Chinese Academy of Sciences, Yangling, Shaanxi 712100, China | | ZHOU Huixia | College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHAO Jingtao | College of Mechanical and Electrical Engineering, Gansu Agricultural University, Lanzhou, Gansu 730070, China |
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| Abstract: |
| This paper addresses the issues of unstable energy supply and high system costs caused by the misalignment in the configuration of solar\|powered irrigation machine power supply systems. To solve these problems, an optimization model for the configuration of solar\|storage\|oil\|powered irrigation machine power supply systems was established, with consideration given to carbon efficiency. Additionally, using measured meteorological data and historical photovoltaic power generation data, and incorporating the SARIMA time series forecasting methods, a model for estimating photovoltaic power generation capacity was developed. This model can estimate the photovoltaic power generation capacity of solar\|powered irrigation machines and other solar energy systems. In this study, the reel sprinkler JP75-300 was used as an example. Based on the irrigation system’s requirements, the objective was to minimize the annual cost, with carbon emissions and power supply reliability index as constraints. The decision variables include the area of photovoltaic panels, the number of storage batteries, and the rated power of the gasoline generator. An optimization model for the solar\|storage\|oil power supply configuration was established. The optimal configuration was determined using a complete search method, followed by performance tests and a carbon efficiency analysis. The results showed that under the constraint of carbon benefit, the optimal configuration of the power supply system of the photovoltaic oil storage sprinkler was composed of 5 battery packs, 7 m2 photovoltaic panels, and gasoline generator with a rated power of 1 kW, with a minimum annual cost of 1 312.69 CNY, and the carbon emission during the 8-day test period was 8.27 kg, which was 38.39 kg less CO2 than that of the traditional sprinkler irrigation machine. This study optimizes the configuration of the photovoltaic energy storage and multi\|energy collaborative irrigation system while ensuring the performance of the power system. It verifies the system’s environmental friendliness, power reliability, and economic feasibility. The integration of renewable energy systems with irrigation technology holds significant potential for the application and promotion of photovoltaic irrigation systems in arid farming regions of the northwest. |
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