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Experimental study of the corona performance of aged sand-cast substation connectors
dc.contributor.author | Riba Ruiz, Jordi-Roger |
dc.contributor.author | Bogarra Rodríguez, Santiago |
dc.contributor.author | Gómez Pau, Álvaro |
dc.contributor.author | Moreno Eguilaz, Juan Manuel |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica |
dc.date.accessioned | 2020-06-03T07:23:08Z |
dc.date.available | 2020-06-03T07:23:08Z |
dc.date.issued | 2020-06-01 |
dc.identifier.citation | Riba, J. [et al.]. Experimental study of the corona performance of aged sand-cast substation connectors. "Energies", 1 Juny 2020, vol. 13, núm. 11, p. 1-13. |
dc.identifier.issn | 1996-1073 |
dc.identifier.uri | http://hdl.handle.net/2117/189794 |
dc.description.abstract | Substation connectors, like many other high-voltage products, are tested once manufactured. However, the corona behavior of aged specimens can differ from that exhibited by newer ones, thus generating detrimental technical and environmental effects. Manufacturers need to know the long-term corona behavior of substation connectors to offer their customers maximum safety and transparency about such critical products. This paper analyzes the ageing effect on the surface roughness and the visual corona extinction voltage of sand-cast aluminum connectors, which were artificially aged in a salt spray chamber for different periods. The experimental results show an important variability of the surface roughness and corona extinction voltage (CEV) among connectors with the same ageing level due to the sand-casting manufacturing process. The results in this paper also show a slight increase in the surface roughness with the ageing period, although there is not a clear pattern between the applied ageing level and the experimental CEV value. It is concluded that the inherent variability among connectors due to the sand-cast process has more influence than the ageing effect itself. |
dc.description.sponsorship | This research was partially funded by Ministerio de Ciencia e Innovación de España, grant number RTC-2017-6297-3 and by the Generalitat de Catalunya, grant number 2017 SGR 967. |
dc.format.extent | 13 p. |
dc.language.iso | eng |
dc.rights | Attribution 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria elèctrica::Alta tensió |
dc.subject.lcsh | High voltages |
dc.subject.lcsh | Electric conductors |
dc.subject.lcsh | Sand |
dc.subject.other | Corona effect |
dc.subject.other | Ageing |
dc.subject.other | Substation connectors |
dc.subject.other | High-voltage |
dc.subject.other | Sand casting |
dc.title | Experimental study of the corona performance of aged sand-cast substation connectors |
dc.type | Article |
dc.subject.lemac | Alta tensió |
dc.subject.lemac | Conductors elèctrics |
dc.subject.lemac | Sorra |
dc.contributor.group | Universitat Politècnica de Catalunya. MCIA - Motion Control and Industrial Applications Research Group |
dc.contributor.group | Universitat Politècnica de Catalunya. QSE - Qualitat del Subministrament Elèctric |
dc.identifier.doi | 10.3390/en13112785 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://www.mdpi.com/1996-1073/13/11/2785/htm |
dc.rights.access | Open Access |
local.identifier.drac | 28600264 |
dc.description.version | Postprint (published version) |
dc.relation.projectid | info:eu-repo/grantAgreement/MICINN/2PE/RTC-2017-6297-3 |
dc.relation.projectid | info:eu-repo/grantAgreement/AGAUR/2PE/2017 SGR 967 |
local.citation.author | Riba, J.; Bogarra, S.; Gómez-Pau, Á.; Moreno-Eguilaz, J.M. |
local.citation.publicationName | Energies |
local.citation.volume | 13 |
local.citation.number | 11 |
local.citation.startingPage | 1 |
local.citation.endingPage | 13 |
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