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Pregled bibliografske jedinice broj: 888152

Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems


Filipović-Grčić, Dalibor; Filipović-Grčić, Božidar; Poljak, Miroslav
Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems // Electric power systems research, 152 (2017), 485-492 doi:10.1016/j.epsr.2017.08.006 (međunarodna recenzija, članak, znanstveni)


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Naslov
Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems

Autori
Filipović-Grčić, Dalibor ; Filipović-Grčić, Božidar ; Poljak, Miroslav

Izvornik
Electric power systems research (0378-7796) 152 (2017); 485-492

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
oil-paper condenser-type insulation ; electric field ; dielectric stresses ; power transformer bushing ; instrument transformers ; partial discharges

Sažetak
Inside the oil-paper insulation of high voltage condenser-type bushings and instrument transformers, conducting surfaces or capacitive shields have been in use for many years to control electric field distribution. Traditional insulation design methods take into consideration dielectric stresses in axial and radial directions, but experience shows that partial discharges occur in the vicinity of capacitive shield edges and can severely affect the expected life of oil-paper insulation. In this paper, a criterion for dimensioning condenser-type insulation systems is presented, based on maximum electric field at sharp edge of capacitive shield. Maximum permitted value of the electric field at the shield's edge was obtained through numerous experimental tests and numerical field calculations based on the finite element method (FEM).

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika



POVEZANOST RADA


Ustanove:
KONČAR - Institut za elektrotehniku d.d.,
Fakultet elektrotehnike i računarstva, Zagreb

Citiraj ovu publikaciju:

Filipović-Grčić, Dalibor; Filipović-Grčić, Božidar; Poljak, Miroslav
Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems // Electric power systems research, 152 (2017), 485-492 doi:10.1016/j.epsr.2017.08.006 (međunarodna recenzija, članak, znanstveni)
Filipović-Grčić, D., Filipović-Grčić, B. & Poljak, M. (2017) Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems. Electric power systems research, 152, 485-492 doi:10.1016/j.epsr.2017.08.006.
@article{article, author = {Filipovi\'{c}-Gr\v{c}i\'{c}, Dalibor and Filipovi\'{c}-Gr\v{c}i\'{c}, Bo\v{z}idar and Poljak, Miroslav}, year = {2017}, pages = {485-492}, DOI = {10.1016/j.epsr.2017.08.006}, keywords = {oil-paper condenser-type insulation, electric field, dielectric stresses, power transformer bushing, instrument transformers, partial discharges}, journal = {Electric power systems research}, doi = {10.1016/j.epsr.2017.08.006}, volume = {152}, issn = {0378-7796}, title = {Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems}, keyword = {oil-paper condenser-type insulation, electric field, dielectric stresses, power transformer bushing, instrument transformers, partial discharges} }
@article{article, author = {Filipovi\'{c}-Gr\v{c}i\'{c}, Dalibor and Filipovi\'{c}-Gr\v{c}i\'{c}, Bo\v{z}idar and Poljak, Miroslav}, year = {2017}, pages = {485-492}, DOI = {10.1016/j.epsr.2017.08.006}, keywords = {oil-paper condenser-type insulation, electric field, dielectric stresses, power transformer bushing, instrument transformers, partial discharges}, journal = {Electric power systems research}, doi = {10.1016/j.epsr.2017.08.006}, volume = {152}, issn = {0378-7796}, title = {Electric field at sharp edge as a criterion for dimensioning condenser-type insulation systems}, keyword = {oil-paper condenser-type insulation, electric field, dielectric stresses, power transformer bushing, instrument transformers, partial discharges} }

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  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
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