**5. Conclusions**

This paper presents the problem of simulation studies on the reliability of wind farm equipment during its operation using input data from WF equipment. The parameters of

these studies describe the actual operation of the wind farm equipment. We found that reliability studies of the real process of any technical object can be carried out over a long period of time. Observation, measurement time: periods of unfitness and fitfulness in the real process of operation of the wind farm equipment are practically expressed in years during its "life". Therefore, the current acquisition of data on the reliability of the studied object can be obtained through simulation studies reflecting the actual operation of the WF equipment. This type of research requires learning and descripting the real process of the wind farm equipment operation and determining reliable input data for the research by the investigators. The second task that must be released in this type of research is to develop models of the exploitation process of the technical object under study. In this paper, for the purpose of simulation studies, three models (A, B and C) of the exploitation process of wind farm equipment were developed. The expected result of the simulation study of the exploitation process of the wind farm equipment was the reliability, which determined the extent to which reliability indicators influence new solutions for equipping wind farms with new intelligent decision support systems for their safe operation. This article is the only one in the literature on this topic that fully represents the expected reliability results.

**Author Contributions:** Conceptualization, resources, methodology, software and validation, A.O. and J.P.; formal analysis, investigation and data curation, M.S. and M.W.; writing—original draft preparation, writing—review and editing and visualization, S.D. and R.D. and supervision, project administration and funding acquisition, A.H. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was funded by the Faculty of Electronics and Informatics, Technical University of Koszalin, Sniadeckich Str. 2, 75-620 Koszalin, Poland.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** The data presented in this article are available at the request of the corresponding author.

**Conflicts of Interest:** The authors declare no conflict of interest.

## **Symbols and Acronyms**

