Tsiupa, V. and Danylchenko, D. 2025. Way to implementation in relay protection of the algorithm for searching for pre-fault operating conditions by using a neural network with backpropagation spot training. Electrical Engineering and Power Engineering. 3 (Oct. 2025), 52–60. DOI:https://doi.org/10.15588/1607-6761-2025-3-6.