Analysis of unbalanced load low-voltage electrical networks operating modes

The article discusses distribution electrical networks 0.38 kV operating modes, feeding individual residential buildings. The electrical energy parameters measurement were certified RESURS-UF2M device carried out. The currents and voltages time diagrams based on the measurements made and using Matla...

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Main Authors: Naumov Igor, Podyachikh Sergey, Ivanov Dmitri, Tretyakov Alexander, Bastron Andrey
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/71/e3sconf_wfsdi2021_02005.pdf
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author Naumov Igor
Podyachikh Sergey
Ivanov Dmitri
Tretyakov Alexander
Bastron Andrey
author_facet Naumov Igor
Podyachikh Sergey
Ivanov Dmitri
Tretyakov Alexander
Bastron Andrey
author_sort Naumov Igor
collection DOAJ
description The article discusses distribution electrical networks 0.38 kV operating modes, feeding individual residential buildings. The electrical energy parameters measurement were certified RESURS-UF2M device carried out. The currents and voltages time diagrams based on the measurements made and using Matlab technologies were constructed. It is established that the level of phase currents unbalance is quite high and causes significant three-phase power supply system unbalance voltage accordingly. The power of quality indicators - calculations, characterizing voltage unbalance were made, which were based on the measurements and the computer program “Asymmetry” was used. As well as the additional power losses coefficient determining by the phase currents unbalance, were calculations. Time diagrams these indicators are constructed and their analysis were made. As a result, the power of quality is significantly reduced by unbalance power consumption in the studied electrical network were founded. At the same time, the additional power losses are significant increases. Specific recommendations for the normalization electrical network-operating mode are given.
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spelling doaj.art-7088bcb7911b40898c48e0fcc119d9d02022-12-21T18:24:48ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012950200510.1051/e3sconf/202129502005e3sconf_wfsdi2021_02005Analysis of unbalanced load low-voltage electrical networks operating modesNaumov IgorPodyachikh Sergey0Ivanov Dmitri1Tretyakov Alexander2Bastron Andrey3Irkutsk State Agrarian University Named After A.A. EzhevskyIrkutsk State Agrarian University Named After A.A. EzhevskyIrkutsk State Agrarian University Named After A.A. EzhevskyKrasnoyarsk State Agrarian UniversityThe article discusses distribution electrical networks 0.38 kV operating modes, feeding individual residential buildings. The electrical energy parameters measurement were certified RESURS-UF2M device carried out. The currents and voltages time diagrams based on the measurements made and using Matlab technologies were constructed. It is established that the level of phase currents unbalance is quite high and causes significant three-phase power supply system unbalance voltage accordingly. The power of quality indicators - calculations, characterizing voltage unbalance were made, which were based on the measurements and the computer program “Asymmetry” was used. As well as the additional power losses coefficient determining by the phase currents unbalance, were calculations. Time diagrams these indicators are constructed and their analysis were made. As a result, the power of quality is significantly reduced by unbalance power consumption in the studied electrical network were founded. At the same time, the additional power losses are significant increases. Specific recommendations for the normalization electrical network-operating mode are given.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/71/e3sconf_wfsdi2021_02005.pdf
spellingShingle Naumov Igor
Podyachikh Sergey
Ivanov Dmitri
Tretyakov Alexander
Bastron Andrey
Analysis of unbalanced load low-voltage electrical networks operating modes
E3S Web of Conferences
title Analysis of unbalanced load low-voltage electrical networks operating modes
title_full Analysis of unbalanced load low-voltage electrical networks operating modes
title_fullStr Analysis of unbalanced load low-voltage electrical networks operating modes
title_full_unstemmed Analysis of unbalanced load low-voltage electrical networks operating modes
title_short Analysis of unbalanced load low-voltage electrical networks operating modes
title_sort analysis of unbalanced load low voltage electrical networks operating modes
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/71/e3sconf_wfsdi2021_02005.pdf
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AT ivanovdmitri analysisofunbalancedloadlowvoltageelectricalnetworksoperatingmodes
AT tretyakovalexander analysisofunbalancedloadlowvoltageelectricalnetworksoperatingmodes
AT bastronandrey analysisofunbalancedloadlowvoltageelectricalnetworksoperatingmodes