Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength

Distribution transformer is the most vital component in the power system. Failure of a transformer leads to loss of revenue besides affecting the reliability of power supply to consumers. It can lead to the non-availability of the transformer for a long duration. Due to this, it is important to main...

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Main Authors: Rajkumar Soni, Prasun Chakrabarti, Zbigniew Leonowicz, Micha Jasinski, Krzysztof Wieczorek, Vadim Bolshev
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9369391/
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author Rajkumar Soni
Prasun Chakrabarti
Zbigniew Leonowicz
Micha Jasinski
Krzysztof Wieczorek
Vadim Bolshev
author_facet Rajkumar Soni
Prasun Chakrabarti
Zbigniew Leonowicz
Micha Jasinski
Krzysztof Wieczorek
Vadim Bolshev
author_sort Rajkumar Soni
collection DOAJ
description Distribution transformer is the most vital component in the power system. Failure of a transformer leads to loss of revenue besides affecting the reliability of power supply to consumers. It can lead to the non-availability of the transformer for a long duration. Due to this, it is important to maintain the good quality of mineral oil. Thus, if the quality of the mineral oil is reduced then its dielectric strength/quality is degraded. Finally, it can affect the services of the transformer, in terms of continuity of power supply. This paper entails the development of a mathematical MATLAB/Simulink model which able to calculate the life cycle of distribution transformer and exact oil changing frequency. With the help of proposed Matlab/Simulink models, the plot curves between furan content formation versus time, pollution index versus time, and dielectric strength of oil versus time are also prepared. The article methodology uses the newly proposed equations, that are in accordance with IEEE standards: IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators (IEEE Std. C57.91-2011) and IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use (IEEE Std C57.637-2015). Then the case study for a 100 kVA distribution transformer is realized. So, with the input values in the Simulink model of load current of the transformer, dielectric constant of oil and flash point of oil we can estimate the life of the distribution transformer. Harmonic load factor in our research work is not included, in order to reduce influence of harmonic load we need to installed the active filter, which is not covered in this paper.
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spelling doaj.art-9aba0954a36b4d808e004853f14caf282022-12-21T23:30:10ZengIEEEIEEE Access2169-35362021-01-019374563746510.1109/ACCESS.2021.30635519369391Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric StrengthRajkumar Soni0https://orcid.org/0000-0002-2616-1035Prasun Chakrabarti1Zbigniew Leonowicz2https://orcid.org/0000-0002-2388-3710Micha Jasinski3https://orcid.org/0000-0002-0983-2562Krzysztof Wieczorek4Vadim Bolshev5https://orcid.org/0000-0002-5787-8581Techno India NJR Institute of Technology, Udaipur, IndiaTechno India NJR Institute of Technology, Udaipur, IndiaDepartment of Electrical Engineering Fundamentals, Faculty of Electrical Engineering, Wroclaw University of Science and Technology, Wroclaw, PolandDepartment of Electrical Engineering Fundamentals, Faculty of Electrical Engineering, Wroclaw University of Science and Technology, Wroclaw, PolandDepartment of Electrical Engineering Fundamentals, Faculty of Electrical Engineering, Wroclaw University of Science and Technology, Wroclaw, PolandLaboratory of Power Supply and Heat Supply, Federal Scientific Agroengineering Center VIM, Moscow, RussiaDistribution transformer is the most vital component in the power system. Failure of a transformer leads to loss of revenue besides affecting the reliability of power supply to consumers. It can lead to the non-availability of the transformer for a long duration. Due to this, it is important to maintain the good quality of mineral oil. Thus, if the quality of the mineral oil is reduced then its dielectric strength/quality is degraded. Finally, it can affect the services of the transformer, in terms of continuity of power supply. This paper entails the development of a mathematical MATLAB/Simulink model which able to calculate the life cycle of distribution transformer and exact oil changing frequency. With the help of proposed Matlab/Simulink models, the plot curves between furan content formation versus time, pollution index versus time, and dielectric strength of oil versus time are also prepared. The article methodology uses the newly proposed equations, that are in accordance with IEEE standards: IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators (IEEE Std. C57.91-2011) and IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use (IEEE Std C57.637-2015). Then the case study for a 100 kVA distribution transformer is realized. So, with the input values in the Simulink model of load current of the transformer, dielectric constant of oil and flash point of oil we can estimate the life of the distribution transformer. Harmonic load factor in our research work is not included, in order to reduce influence of harmonic load we need to installed the active filter, which is not covered in this paper.https://ieeexplore.ieee.org/document/9369391/Distribution transformerfuran content formationreliabilitypollution indexdielectric strength
spellingShingle Rajkumar Soni
Prasun Chakrabarti
Zbigniew Leonowicz
Micha Jasinski
Krzysztof Wieczorek
Vadim Bolshev
Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
IEEE Access
Distribution transformer
furan content formation
reliability
pollution index
dielectric strength
title Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
title_full Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
title_fullStr Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
title_full_unstemmed Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
title_short Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength
title_sort estimation of life cycle of distribution transformer in context to furan content formation pollution index and dielectric strength
topic Distribution transformer
furan content formation
reliability
pollution index
dielectric strength
url https://ieeexplore.ieee.org/document/9369391/
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AT zbigniewleonowicz estimationoflifecycleofdistributiontransformerincontexttofurancontentformationpollutionindexanddielectricstrength
AT michajasinski estimationoflifecycleofdistributiontransformerincontexttofurancontentformationpollutionindexanddielectricstrength
AT krzysztofwieczorek estimationoflifecycleofdistributiontransformerincontexttofurancontentformationpollutionindexanddielectricstrength
AT vadimbolshev estimationoflifecycleofdistributiontransformerincontexttofurancontentformationpollutionindexanddielectricstrength