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[{"key": "dc.contributor.advisor", "value": "Maunuksela, Jussi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "M\u00e4kel\u00e4, Niina", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-12-19T11:22:38Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-12-19T11:22:38Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2018", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/60685", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Verkkoon kytketty 6 kW aurinkopaneelisto on sijoitettu Saarij\u00e4rven koulukeskuksen\nkatolle. K\u00e4yt\u00f6ss\u00e4 on SANYON HIT-sarjan aurinkokennoja. Paneeliston yhteyteen\non sijoitettu mittauskeskus ja erilaisia antureita. N\u00e4iden avulla ker\u00e4t\u00e4\u00e4n dataa\npaneeliston s\u00e4hk\u00f6ntuotannosta ja s\u00e4\u00e4olosuhteista, joissa paneelistot toimivat. T\u00e4t\u00e4\ntutkielmaa aloittaessa aineistoa on ker\u00e4tty yli kymmenen vuoden ajalta.\nAineiston analysointia varten dataa on jouduttu siistim\u00e4\u00e4n, sill\u00e4 aineisto on osittain\npuutteellista tai virheellist\u00e4. Lis\u00e4ksi paneeliston hetkelliset hy\u00f6tysuhteet ovat\nhajaantuneet laajalle alueelle, jolloin sovitusten tekeminen koko datapistejoukkoon\nei ole j\u00e4rkev\u00e4\u00e4. Aineistosta on poistettu analyysia varten kaikki selv\u00e4sti virheellinen\ndata sek\u00e4 ajan, joina Auringon s\u00e4teilyteho on ollut alle 80W/m2. Analyysiss\u00e4 p\u00e4\u00e4dyttiin\nlopulta k\u00e4ytt\u00e4m\u00e4\u00e4n vain aurinkoisia kes\u00e4p\u00e4ivi\u00e4, sill\u00e4 muina vuodenaikoina\ndatapistejoukon hajonta oli huomattavaa. Oletettavasti t\u00e4m\u00e4 johtuu paneeliston\npeittymisest\u00e4 esimerkiksi lumen alle.\nAineiston siistimisen j\u00e4lkeen jokaiselle datapisteelle on laskettu hetkellinen hy\u00f6tysuhde.\nDatapistejoukkoon voidaan tehd\u00e4 lineaarinen sovitus, \u03b7(T) = \u03b1(T \u2212\nTSTC) + \u03b7STC. Sovitukset tehd\u00e4\u00e4n sek\u00e4 koko aineistolle ett\u00e4 eri s\u00e4teilytehoille, kuten 100W/m2 \u00b1 50W/m2, 200W/m2 \u00b1 50W/m2 jne. Koko aineistoille tehdyst\u00e4 sovituksesta\nsaadaan parametreille arvoiksi \u03b1 = \u22120,0603\u00b10,0009 ja \u03b7STC = 16,42\u00b10,02,\neli paneeliston hy\u00f6tysuhde laskee noin 0,06 prosenttiyksikk\u00f6\u00e4 paneeliston l\u00e4mp\u00f6tilan\nkasvaessa 1 \u00b0C. Muut sovitukset antavat samankaltaisia tuloksia.\nSaadut tulokset vastaavat oletettua k\u00e4yt\u00f6st\u00e4, tosin teoreettisesti valmistajan\nilmoittamien j\u00e4rjestelm\u00e4n ominaisuuksien perusteella saadaan kulmakertoimelle\nhieman suurempi arvo. Sovituksesta saatava hy\u00f6tysuhde STC-olosuhteissa, 16,0\n%, on l\u00e4hell\u00e4 valmistajan ilmoittamaa hy\u00f6tysuhdetta (16,5 %). K\u00e4yt\u00f6ss\u00e4 olevat aurinkokennot voivat siten saavuttaa valmistajan ilmoittaman hy\u00f6tysuhteen my\u00f6s\nilman laboratorio-olosuhteita.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2018-12-19T11:22:38Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-12-19T11:22:38Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "58", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.title", "value": "Aurinkopaneeliston hy\u00f6tysuhteen k\u00e4ytt\u00e4ytymisen m\u00e4\u00e4ritt\u00e4minen havaintojen perusteella", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201812195225", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Fysiikan laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Physics", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Fysiikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Physics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4021", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "hy\u00f6tysuhde", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "aurinkokennot", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "l\u00e4mp\u00f6tila", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "aurinkopaneelit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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