Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions

Evaluation of fire hazard caused by electrical installations is a difficult and important topic, and it limits the possibility of loss of life or health of people, as well as the occurrence of significant property damage. In particular, this hazard was caused by power cables and especially photovolt...

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Main Authors: Seweryn Szultka, Stanislaw Czapp, Adam Tomaszewski, Hayat Ullah
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Fire
Subjects:
Online Access:https://www.mdpi.com/2571-6255/6/2/41
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author Seweryn Szultka
Stanislaw Czapp
Adam Tomaszewski
Hayat Ullah
author_facet Seweryn Szultka
Stanislaw Czapp
Adam Tomaszewski
Hayat Ullah
author_sort Seweryn Szultka
collection DOAJ
description Evaluation of fire hazard caused by electrical installations is a difficult and important topic, and it limits the possibility of loss of life or health of people, as well as the occurrence of significant property damage. In particular, this hazard was caused by power cables and especially photovoltaic (PV) installations. The authors proved that power cables directly exposed to strong solar radiation are likely to exceed maximum permissible temperature in unfavorable ambient conditions. Overheated and damaged cable insulation can be a source of electric shock and a strong leakage current causing fire. In the case of typical PV connectors (MC4 connectors), the main problem is poor contact at the connections of the PV cables. A poor connection can even cause the connector to melt, as shown in this study. In the paper, the authors present a computer simulation regarding critical thermal points of electrical installations, in particular, of the PV type. It may be an indication of what should be paid attention to when designing and implementing such installations. This is important for the safety of people and buildings.
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spelling doaj.art-251ff8392cce4f4499057205c72c16b52023-11-16T20:27:04ZengMDPI AGFire2571-62552023-01-01624110.3390/fire6020041Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal ConditionsSeweryn Szultka0Stanislaw Czapp1Adam Tomaszewski2Hayat Ullah3Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, PolandFaculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, PolandInstitute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, PolandFaculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, PolandEvaluation of fire hazard caused by electrical installations is a difficult and important topic, and it limits the possibility of loss of life or health of people, as well as the occurrence of significant property damage. In particular, this hazard was caused by power cables and especially photovoltaic (PV) installations. The authors proved that power cables directly exposed to strong solar radiation are likely to exceed maximum permissible temperature in unfavorable ambient conditions. Overheated and damaged cable insulation can be a source of electric shock and a strong leakage current causing fire. In the case of typical PV connectors (MC4 connectors), the main problem is poor contact at the connections of the PV cables. A poor connection can even cause the connector to melt, as shown in this study. In the paper, the authors present a computer simulation regarding critical thermal points of electrical installations, in particular, of the PV type. It may be an indication of what should be paid attention to when designing and implementing such installations. This is important for the safety of people and buildings.https://www.mdpi.com/2571-6255/6/2/41fire hazardnumerical simulationsoverheatingpower cablesphotovoltaics
spellingShingle Seweryn Szultka
Stanislaw Czapp
Adam Tomaszewski
Hayat Ullah
Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
Fire
fire hazard
numerical simulations
overheating
power cables
photovoltaics
title Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
title_full Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
title_fullStr Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
title_full_unstemmed Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
title_short Evaluation of Fire Hazard in Electrical Installations Due to Unfavorable Ambient Thermal Conditions
title_sort evaluation of fire hazard in electrical installations due to unfavorable ambient thermal conditions
topic fire hazard
numerical simulations
overheating
power cables
photovoltaics
url https://www.mdpi.com/2571-6255/6/2/41
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AT stanislawczapp evaluationoffirehazardinelectricalinstallationsduetounfavorableambientthermalconditions
AT adamtomaszewski evaluationoffirehazardinelectricalinstallationsduetounfavorableambientthermalconditions
AT hayatullah evaluationoffirehazardinelectricalinstallationsduetounfavorableambientthermalconditions