Consideration of partial discharge energy in a mathematical model of thermal-fluctuation processes of a power cable.
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| Title: | Consideration of partial discharge energy in a mathematical model of thermal-fluctuation processes of a power cable. |
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| Authors: | Dubyago, M. N.1, Polyuyanovich, N. K.1 nik1-58@mail.ru, Burkov, D. V.1 |
| Source: | EAI Endorsed Transactions on the Energy Web. 2019, Vol. 6 Issue 24, p1-6. 6p. |
| Subject Terms: | *Partial discharges, *Mathematical models, *Thermal resistance, *Power cable insulation, *Fluctuations (Physics) |
| Abstract: | The article shows that the presence of impurities or oxidation products resulting from heating in insulation leads to leakage currents. A mathematical model was obtained that allows calculating the power of partial discharges (PD), as well as determining the location of the m1 inclusion in the main insulation, due to the power of the active component of the leakage current, when it occurs in the main cable insulation. The calculation of the change in heat flux passing through the layers of cable insulation by the piecewise-specified functions method, taking into account the thermal resistance of the inclusion, is carried out. The method proposed in the developed model makes it possible to account for heat losses based on the thermal and geometric dimensions of the inclusion. This will allow to obtain the temperature in all layers of the PCL, starting from the radial distances, inclusion parameters caused by the insulation core current, as the main temperature-forming factor. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: enr DbLabel: Energy & Power Source An: 139556990 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Consideration of partial discharge energy in a mathematical model of thermal-fluctuation processes of a power cable. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Dubyago%2C+M%2E+N%2E%22">Dubyago, M. N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Polyuyanovich%2C+N%2E+K%2E%22">Polyuyanovich, N. K.</searchLink><relatesTo>1</relatesTo><i> nik1-58@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Burkov%2C+D%2E+V%2E%22">Burkov, D. V.</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22EAI+Endorsed+Transactions+on+the+Energy+Web%22">EAI Endorsed Transactions on the Energy Web</searchLink>. 2019, Vol. 6 Issue 24, p1-6. 6p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Partial+discharges%22">Partial discharges</searchLink><br />*<searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br />*<searchLink fieldCode="DE" term="%22Thermal+resistance%22">Thermal resistance</searchLink><br />*<searchLink fieldCode="DE" term="%22Power+cable+insulation%22">Power cable insulation</searchLink><br />*<searchLink fieldCode="DE" term="%22Fluctuations+%28Physics%29%22">Fluctuations (Physics)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The article shows that the presence of impurities or oxidation products resulting from heating in insulation leads to leakage currents. A mathematical model was obtained that allows calculating the power of partial discharges (PD), as well as determining the location of the m1 inclusion in the main insulation, due to the power of the active component of the leakage current, when it occurs in the main cable insulation. The calculation of the change in heat flux passing through the layers of cable insulation by the piecewise-specified functions method, taking into account the thermal resistance of the inclusion, is carried out. The method proposed in the developed model makes it possible to account for heat losses based on the thermal and geometric dimensions of the inclusion. This will allow to obtain the temperature in all layers of the PCL, starting from the radial distances, inclusion parameters caused by the insulation core current, as the main temperature-forming factor. [ABSTRACT FROM AUTHOR] |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=139556990 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.4108/eai.13-7-2018.160391 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 1 Subjects: – SubjectFull: Partial discharges Type: general – SubjectFull: Mathematical models Type: general – SubjectFull: Thermal resistance Type: general – SubjectFull: Power cable insulation Type: general – SubjectFull: Fluctuations (Physics) Type: general Titles: – TitleFull: Consideration of partial discharge energy in a mathematical model of thermal-fluctuation processes of a power cable. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Dubyago, M. N. – PersonEntity: Name: NameFull: Polyuyanovich, N. K. – PersonEntity: Name: NameFull: Burkov, D. V. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: 2019 Type: published Y: 2019 Identifiers: – Type: issn-print Value: 2032944X Numbering: – Type: volume Value: 6 – Type: issue Value: 24 Titles: – TitleFull: EAI Endorsed Transactions on the Energy Web Type: main |
| ResultId | 1 |
