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Optimized solar and heat pump systems, components and dimensioning: Deliverable 7.3 - MacSheep - New Materials and Control for a next generation of compact combined Solar and heat pump systems with boosted energetic and exergetic performance
Högskolan Dalarna, Akademin Industri och samhälle, Energiteknik. (SERC)
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Antal upphovsmän: 202015 (Engelska)Rapport (Övrig (populärvetenskap, debatt, mm))
Abstract [en]

This report describes the optimised solar and heat pump systems developed in the MacSheepproject as well as the simulation results for these systems. Four systems have been developed by four different development groups, each with one private company participating. The development groups have chosen different types of systems as well as different target loads for their systems, which give a wide coverage of the potential markets. The aim of the project was to achieve a 25% performance increase compared to state of the art systems, while being cost-competitive compared to the state of the art.Two reference state of the art solar and heat pump systems have been defined, modelled,and simulated to derive benchmark electricity demands and SPF values for the boundary conditions that were defined for the MacSheep project. The reference systems usedtheground (boreholes) orair as a heat source for the heat pump. The chosen boundary conditions were the climates of Zurich and Carcassone, arealistic DHW load,and two buildings, one representing a modern low energy building (SFH45) and one representing an existing building (SFH100). These reference systems and boundary conditions were defined within the first year of the project, and are used throughout the project.New components were developed for the MacSheepsolar and heat pump systems and these developments are reported in the reportsof work packages 3 –6. Component models have been programmed and validated with laboratory measurements.In this report, simulation results for the four MacSheep systems arecompared to the relevant reference system in order to quantify the expected performance increase. These simulations include the component models with their validated parameters and performance obtained from phase 3 of the project.In addition, the costs of the systemswere estimated. The key performance indicator for the final system developments was defined as a figure for electric savings (25%) compared to the state of the art at competitive (i.e. comparable) cost. Therefore, cost-savings that were achieved for some of the components that were developed were allowed to be compensated by increased cost for other components or increased collector areasin order to show the project's achievements in the light of the defined key performance indicator.At present, the updated simulations show electric savings of 17%, 24%, 26%, and 30%, respectively, for the different developments and the different target heat loads.Threeof these systems will be built and tested during 2015,using the whole system test method that was further developed within the MacSheep project (see report D2.3 for more details). The results from these tests will give benchmark energy used of these systems both for the test sequence itself but also on an annual base. In addition, the simulation models described in this report will be verified against the measurements and then used for annual simulations for otherboundary conditionsthan the once that are represented in the test sequence.

Ort, förlag, år, upplaga, sidor
2015.
Nationell ämneskategori
Energisystem
Forskningsämne
Energi, skog och byggd miljö, MacSheep
Identifikatorer
URN: urn:nbn:se:du-17769OAI: oai:DiVA.org:du-17769DiVA, id: diva2:819241
Tillgänglig från: 2015-06-10 Skapad: 2015-06-10 Senast uppdaterad: 2017-11-06Bibliografiskt granskad

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http://macsheep.spf.ch/fileadmin/user_upload/macsheep/dokumente/MacSheep_D7-3_Simulations_M36_v150603_Final_revised.pdf

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Bales, ChrisPoppi, Stefano

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