Small Cogeneration Unit with Heat and Electricity Storage

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dc.contributor.authorŠtětina, Josefcs
dc.contributor.authorBřezina, Michalcs
dc.contributor.authorBöhm, Michaelcs
dc.coverage.issue8cs
dc.coverage.volume14cs
dc.date.issued2021-04-09cs
dc.description.abstractA micro cogeneration unit based on a three-cylinder internal combustion engine, Skoda MPI 1.0 L compressed natural gas (CNG), with an output of 25 kW at 3000 RPM is proposed in this paper. It is a relatively simple engine, which is already adopted by the manufacturer to operate on CNG. The engine life and design correspond to the original purpose of use in the vehicle. A detailed dynamic model was created in the GT-SUITE environment and implemented into an energy balance model that includes its internal combustion engine, heat exchangers, generator, battery storage, and water storage tank. The 1D internal combustion engine model provides us with information on engine start-up time, actual effective power, friction power, and the amount of heat going to the cooling system and exhaust pipe. The catalytic converter was removed from the exhaust pipe, and the engine was always operating at full load; thus, engine power control is not considered. An energy storage system for an island operation of the entire power unit for a large, detached house was designed to withstand accumulated energy for a few days in the case of a breakout. To reach a low initial system cost, the possible implementation of worn-out battery packs toward emission reduction in terms of the second life of the battery is proposed. The energy and emission balance are carried out, and the service life of the engine is also discussed.en
dc.formattextcs
dc.format.extent1-13cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationENERGIES. 2021, vol. 14, issue 8, p. 1-13.en
dc.identifier.doi10.3390/en14082102cs
dc.identifier.issn1996-1073cs
dc.identifier.orcid0000-0002-5084-547Xcs
dc.identifier.orcid0000-0002-1447-2020cs
dc.identifier.orcid0000-0001-5845-2163cs
dc.identifier.other171578cs
dc.identifier.researcheridE-9112-2010cs
dc.identifier.scopus6603877479cs
dc.identifier.scopus57223847582cs
dc.identifier.urihttp://hdl.handle.net/11012/196814
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofENERGIEScs
dc.relation.urihttps://www.mdpi.com/1996-1073/14/8/2102cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1996-1073/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectenergy transitionen
dc.subjectcogeneration uniten
dc.subjectCNG engineen
dc.titleSmall Cogeneration Unit with Heat and Electricity Storageen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-171578en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:46:51en
sync.item.modts2025.01.17 15:13:07en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Energetický ústavcs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav automobilního a dopravního inženýrstvícs
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