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Examination of electric arc behavior in open air

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Singh, Vikramjit
dc.date.accessioned 2013-02-11T14:23:53Z
dc.date.available 2013-02-11T14:23:53Z
dc.date.issued 2012
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/7746
dc.description.abstract Arching faults which endanger the personnel and equipment near to its vicinity must be controlled so that we have high power quality, more security as well as more reliability in power systems. Therefore careful study of electric arc behavior in air is needed, more specifically how different parameters which affect reignition, behave near current zero. A lot of research has been done, finding this behavior near current zero, in order to have better understanding of when interruption is possible, but generally those were concentrated on looking, this behavior, after arc interruption. In this thesis, a different approach has been used to find the arc behavior near current zero. Basically indirect parameters of arc model has been found out, 15 micro seconds before current zero, which tells the conductivity decay at that instant and Mayr Arc Model has been used to find out these parameters. Dependence of breakdown voltage of air, on temperature has also been investigated and different electrode materials have been used in order to see electrode material dependence on breakdown voltage at a specific temperature of gap space. fi
dc.format.extent 93 s.
dc.format.mimetype application/pdf
dc.language.iso en en
dc.title Examination of electric arc behavior in open air en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Sähkötekniikan korkeakoulu fi
dc.contributor.department Sähkötekniikan laitos fi
dc.subject.keyword arcing faults en
dc.subject.keyword arc parameters en
dc.subject.keyword breakdown voltage en
dc.subject.keyword temperature en
dc.subject.keyword interruption en
dc.subject.keyword reignition en
dc.subject.keyword current zero en
dc.identifier.urn URN:NBN:fi:aalto-201302121442
dc.type.dcmitype text en
dc.programme.major Sähköverkot ja suurjännitetekniikka fi
dc.programme.mcode S-18
dc.type.ontasot Diplomityö fi
dc.type.ontasot Master's thesis en
dc.contributor.supervisor Lehtonen, Matti
dc.location P1 fi
local.aalto.openaccess yes
local.aalto.digifolder Aalto_90901
dc.rights.accesslevel openAccess
local.aalto.idinssi 45698
dc.type.publication masterThesis
dc.type.okm G2 Pro gradu, diplomityö


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