Analysis of Emergency Situations and their Causes in the Electrical Networks of the branch of PJSC ROSSETI Volga – Chuvashenergo

A study of the transmission of electric energy through distribution electric networks of various classes of rated voltage, which are on the balance sheet of the branch of PJSC ROSSETI Volga – Chuvashenergo, has been carried out. A brief structural description of the company, its composition, as well as the characteristic features of electricity consumption are given. Based on the source information available in the public domain, an analytical assessment of emergencies arising in the company's electrical networks, as well as the consequences of these failures for the period 2018 – 2024, was carriedout. A quantitative description of emergency shutdowns is given and, in accordance with the proposed classification, the intensity of emergency shutdowns is considered. An analysis of the main causes of failures has been performed, as a result of which it has been established that more than 90 % of all outages occur due to non-compliance with maintenance regulations, which leads to mechanical damage to equipment, as well as the effects of repeated natural phenomena. Visualization of the obtained research results is presented in the form of diagrams using the MATLAB graphics editor. Based on the findings, recommendations have been formulated for the company's management to improve the reliability of power transmission. The obtained research results may be of interest to the management of Chuvashenergo, other electric grid companies, as well as engineering and scientific workers investigating the reliability of power transmission.