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[{"key": "dc.contributor.advisor", "value": "Karppinen, Juha", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Maunuksela, Jussi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Siilin, Kristiina", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-07-25T15:35:09Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-07-25T15:35:09Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2016", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1570142", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/50888", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Ty\u00f6ss\u00e4 tutkittiin virtausakkuteknologian soveltuvuutta osana hajautetun energiaj\u00e4rjestelm\u00e4n toteutusta. Hajautettu virtausakku on laaja energiaverkosto, joka\r\nmahdollistaa energiansiirron ja -varastoinnin. Energia varastoidaan virtausakun\r\nelektrolyyttiin, jota s\u00e4ilytet\u00e4\u00e4n kaukol\u00e4mp\u00f6verkoston kaltaisessa laajassa putkiverkostossa. Elektrolyytti\u00e4 siirret\u00e4\u00e4n putkiverkostossa maan alla pumppaamalla ja\r\nhajautetun akun lataaminen ja purkaminen suoritetaan tuotannon ja kulutuksen\r\nyhteydess\u00e4 kennopinojen v\u00e4lityksell\u00e4.\r\n\r\nTutkimus keskittyi hajautetun virtausakun soveltuvuuteen uusiutuvan energian\r\nvarastoinnissa sek\u00e4 kulutuksen teho-optimointiin huipunleikkauksessa. Tutkimusta\r\nvarten ohjelmoitiin Matlab-simulointimalli, jonka avulla simuloitiin erilaisia tapauksia. Hajautetun virtausakun teknologia- ja kustannusastetta verrattiin litium-ioni\r\nakkuteknologialla toteutettuihin energiaj\u00e4rjestelmiin sek\u00e4 pieness\u00e4 ett\u00e4 isossa mittakaavassa.\r\n\r\nSimuloinnin tuloksien nojalla teknologian rajoitteita ovat virtausakkujen heikko\r\nenergiatiheys ja j\u00e4rjestelm\u00e4n hy\u00f6tysuhde. Lis\u00e4ksi nykyisell\u00e4 teknologialla tutkitun\r\nj\u00e4rjestelm\u00e4n toteutusta est\u00e4\u00e4 ymp\u00e4rist\u00f6n mahdollinen saastuminen energiaj\u00e4rjestelm\u00e4n toiminnan vikatilanteissa, kuten putkiverkoston vuototilanteissa. T\u00e4m\u00e4n\r\nhetkinen teknologiastatus ja kustannusrakenne suosivat litium-ioni akkuteknologiaa,\r\njonka havaittiin suoriutuvan parhaiten tutkituista toiminallisuuksista.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "The objective of this research was to plan and simulate distributed energy system\r\nconfigured using flow battery technology. A distributed flow battery is an expansive\r\nenergy network which enables the transportation and storage of produced energy.\r\nThe energy is stored in the electrolyte and stored in a pipe network similar to\r\ndistrict heating. The electrolyte is pumped underground and the energy is charged\r\nor discharged via cell stacks at the production or consumption sites.\r\n\r\nThe focus of the research was renewable energy storage and power optimization in\r\npeak shaving of consumption. A Matlab simulation model was configured to simulate\r\nthe case studies. The status of flow battery technology and costs were compared to\r\nenergy systems configured with large- and small-scale lithium-ion batteries.\r\n\r\nThe results indicate that the energy density and system efficiency of flow battery\r\nis restricting the energy system\u2019s performance. In addition the contamination of\r\nenvironment is a great risk with current flow battery technology in case of leakage.\r\nThe current state of storage technologies and their cost structures also favor the\r\nlithium-ion technology. Another apparent result was that lithium-ion batteries\r\noutperform the distributed flow battery.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Kristiina Siilin (krorsiil) on 2016-07-25 15:35:07.014423. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2016-07-25T15:35:09Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201607253671.pdf: 15274903 bytes, checksum: ec0ea944b64d54def43128a57c702229 (MD5)\r\nlicense.html: 4842 bytes, checksum: 8f6ba1d2cfb4376c0b0a819e74c4df31 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-07-25T15:35:09Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201607253671.pdf: 15274903 bytes, checksum: ec0ea944b64d54def43128a57c702229 (MD5)\r\nlicense.html: 4842 bytes, checksum: 8f6ba1d2cfb4376c0b0a819e74c4df31 (MD5)\r\n Previous issue date: 2016", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (90 s.)", "language": null, "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.subject.other", "value": "virtausakut", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "hajautetut energiaj\u00e4rjestelm\u00e4t", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "energian varastointi", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "energiaratkaisut", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Hajautetun energiaj\u00e4rjestelm\u00e4n toteutusmahdollisuudet virtausakkuteknologialla", "language": null, "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-201607253671", "language": null, "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": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": 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