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Water and Energy International
Year : 2023, Volume : 65r, Issue : 10
First page : ( 34) Last page : ( 40)
Print ISSN : 0974-4207. Online ISSN : 0974-4711.

Study of the Features of the Protection of Energy System Elements Caused by Excessive Local Heating

Zobenko Oleksandr1, Loboichenko Valentyna2, Lutsenko Yurii3, Pidhornyy Mykola4, Zemlianskyi Oleg1, Hrushovinchuk Oleksandr5, Blyashenko Oleg6, Servatyuk Vasyl7

1Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense, Ukraine, Cherkasy, Ukraine

2Department of Civil Security, Lutsk National Technical University, Lutsk, Ukraine

3Institute of public administration and research in civil protection, Kyiv, Ukraine

4Cherkasy State Technological University, Cherkasy, Ukraine

5The State Emergency Service of Ukraine, Kyiv, Ukraine

6Ministry of Defence of Ukraine, Kyiv, Ukraine

7The National Defence University of Ukraine named after Ivan Cherniakhovskyi, Kyiv, Ukraine

Online Published on 09 February, 2023.

Abstract

The analysis of individual components and elements of energy systems, in particular, power supply systems, which can lead to disruptions in the functioning of these systems, was carried out in the work. It notes that electrical sockets are the places where ignition and subsequent fires can occur due to large values of transient resistance. For an example, a separate element of electrical networks (sockets), experimental studies were carried out on a laboratory installation under different conditions of its operation, which can cause its excessive local heating - damaged or undamaged contacts, the presence and absence of a thermal fuse. It is shown that it is the safest to use sockets with a normal connection, both with and without a thermal fuse, when applying the studied currents for 60 min, whereas the greatest danger can occur when applying a current of 16 A for sockets with affected contacts. It is recommended to use a thermal fuse in sockets designed for a current of 16 A and difficult to locate in places with excessive consumer properties such as service stations, auto repair shops, shopping areas, etc., to further increase the safety of power grid operation.

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Keywords

Energy system, Electricity grid, Local heating, Current, Thermal fuse, Socket.

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