1. State-based operation and maintenance Real-time monitoring of plant status and power generation, fault alarms. 2. Preventative maintenance Periodic maintenance and maintenance of power station equipment, power station environment, line inspection, vegetation control and other work. 3 Troubleshooting Maintenance Troubleshooting, management, record reporting, guaranteed efficiency ratios. In addition to factors such as the natural environment, power grid standards, and power station layout, the maintenance and monitoring of the power station after operation is also a necessary consideration for the design of the power plant. It is of great significance to the future growth of the power plant, asset assessment, and risk control. The industry’s attention to the technical upgrading of PV power plants is mostly concentrated in the framework of the initial selection of power plants, technical parameters of equipment, and enhancement of functions, while less attention is paid to the detailed management, maintenance, and monitoring of power plants for 25 years of operation. In addition to the revolutionary breakthrough in the future program route and the industrial transformation brought about by the significant increase in equipment conversion efficiency, the costs and benefits brought by the maintenance and monitoring of the power station will become the difference in the power station, and the differentiation will be generated in the selection of the power station design. It was already determined at the beginning. In addition to routine product inspections, fault determinations, equipment repairs, or replacements, power station maintenance must also be considered in order to upgrade equipment based on power grid regulatory requirements or plant monitoring and management requirements. These maintenance work are closely related to the number of power station equipment and the degree of concentration. In particular, after the maintenance period of the power station maintenance, with the continuous increase in the cost of labor, domestic labor costs for photovoltaic power plant maintenance will be closer to the foreign power plants, and the proportion of operating costs will increase substantially. The construction and upgrading of power station monitoring and management platform is a necessary means to maintain a good power generation status of the power station, quickly locate and accurately analyze the faults, and also reduce the man-hour investment for after-sales service of conventional product inspection equipment. It is one of the important differences in photovoltaic power plants. . Monitoring communication equipment depends on the number of monitored devices on the one hand, and on the other hand, it depends on the dispersed areas of the monitored equipment. It is also related to the number of equipment and the degree of concentration of distribution in the initial design of the power plant. For faulty running equipment, maintenance time has a direct bearing on the power generation revenue of the power station. Therefore, troubleshooting time, equipment failure rate, equipment maintenance labor, device cost, power generation loss, etc., should also be considered in the initial power station design plan, especially when the power plant operating frequency is relatively high after several years of warranty period. . Power station maintenance and monitoring are areas in which the PV industry will inevitably undergo revolutionary changes in technology or business models. At the same time as unlimited development is possible, it also brings certain potential risks to the current design program. In the long run, power station maintenance monitoring and design not only needs to consider the impact of program maturity and development space, but also must consider the application history of solution providers, marginal costs, and the ability to continue operating in the future. Choosing a plan is more about choosing a long-term partner. According to reliable data support, the average annual power generation capacity of photovoltaic power generation 10WM is about 15.83 million kWh according to the design value. The actual three years before the new battery pack is about 8% to 10% higher than the design value, and then it gradually decays. The electricity price is 1.15 yuan/kWh. In this way, the annual power generation is calculated at 16 million kwh, and the income is about 18.4 million yuan. If it is not clean, based on the analysis of the impact of dust in the western region, compared with the practice, the cleaned panels are 8% to 10% more efficient than the uncleaned panels within one week, and they decay day by day. The efficiency is about one month. It is only about 1%-2% higher (testing time is April-April in the sandstorm season). Calculated based on a 10 MW design value of 15.83 million kwh. The average cleaning efficiency is increased by 6%, which can reduce the economic loss of 1.09 million yuan, minus the labor wage and management fee of 200,000 yuan, and at least 890,000 yuan in surplus. This is a conservative value. The maintenance of electrical equipment is mainly the daily inspection of electrical equipment for aging, dust accumulation, hidden faults, and functional loss. The restoration of the PID of the power plant is mainly based on the actual operation and setting of the power plant, and the PID power recovery is performed. When the power station fails, it timely analyzes and finds the fault location, and then checks the fault to improve the operation rate of the power station.
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