Abstract
The article is devoted to the development of a digital twin of a solar power plant. An overview of existing solutions in this area is given. An approach to building a digital twin based on ontological engineering is discussed in more detail. The main steps of ontological engineering are described. A fragment of the system of ontologies of photovoltaic systems is presented. A mathematical model designed to simulate a solar power plant taking into account changes in environmental parameters is considered. The article also focuses on the design of the architecture of the digital twin, consisting of: Digital Shadow, Digital Model and control system. The article also describes the stage of implementation of a prototype of a digital twin of a solar power plant, which currently includes a database and a component for calculating the output characteristics of solar panels and inverters.
Highlights
The creation of digital twins is one of the trends in the development of energy technologies and in the energy digitalization
We can conclude that the use of digital twins in the design of solar power plants can have a positive effect both at the design and development stage, and at the stage of their operation
According to the sources [7,8,9,10], it can be concluded that today there is no strict definition of the digital twin concept, the general meaning of such a term is to create a constantly updated digital model used for the execution of experiments and testing hypotheses, forecasting behavior of an object and solving the problem of managing its life cycle, based on real or experimental data [11, 12]
Summary
The creation of digital twins is one of the trends in the development of energy technologies and in the energy digitalization. It is necessary to bring fuel to remote settlements, which is used for the operation of diesel power plants. This is an unprofitable and not a permanent source of energy. For these settlements, it is advisable to create solar power plants that increase the availability of electricity, but their construction is a large one-time investment and requires high-quality maintenance of already built facilities. We can conclude that the use of digital twins in the design of solar power plants can have a positive effect both at the design and development stage, and at the stage of their operation
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