A study for improving the energy efficiency of lifts with adjustable counterweighting

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Tukia, Toni
dc.contributor.author Uimonen, Semen
dc.contributor.author Siikonen, Marja-Liisa
dc.contributor.author Hakala, Harri
dc.contributor.author Lehtonen, Matti
dc.date.accessioned 2018-12-10T10:14:44Z
dc.date.available 2018-12-10T10:14:44Z
dc.date.issued 2017-07-01
dc.identifier.citation Tukia , T , Uimonen , S , Siikonen , M-L , Hakala , H & Lehtonen , M 2017 , ' A study for improving the energy efficiency of lifts with adjustable counterweighting ' BUILDING SERVICES ENGINEERING RESEARCH AND TECHNOLOGY , vol. 38 , no. 4 , pp. 421-435 . DOI: 10.1177/0143624417697773 en
dc.identifier.issn 0143-6244
dc.identifier.other PURE UUID: 3cb0b374-02ea-4773-9db0-04092fe1223a
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/a-study-for-improving-the-energy-efficiency-of-lifts-with-adjustable-counterweighting(3cb0b374-02ea-4773-9db0-04092fe1223a).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85020470917&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/30262523/ELEC_Tukiainen_etal_A_Study_for_Improving_BSERT_38_4_421.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/35001
dc.description.abstract This article presents a study of the potential energy efficiency improvement by means of adjusting the lift counterweight. The lift energy consumption in different counterweight set-ups is studied by employing measured lift traffic and energy consumption data from an office building in Finland. Overall, dimensioning the counterweight based on traffic analysis is one of the fastest and most cost-effective means of improving the energy efficiency of lifts. The results from the building imply, however, that with a relatively constant loading throughout the day, the continuous adjusting of the counterweight provides limited energy savings compared to systems where the counterweight is sized according to the average load. Nevertheless, active adjustment of the counterweight size may provide considerable savings in lift systems if there is a wide variation in the car loading between the hours of the day. Furthermore, reducing the counterweight potentially improves the ISO 25745-2 energy efficiency classification ofthe lift, thus increasing the product attractiveness in the market. Practical application: This article presents practical approaches to analysing the energy consumption of counterbalanced lifts. The modelled results can be used to optimise the mass of the counterweight in order to achieve considerable energy savings in the actual or expected traffic profile. en
dc.format.extent 15
dc.format.extent 421-435
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Volume 38, issue 4 en
dc.rights openAccess en
dc.subject.other Building and Construction en
dc.subject.other 214 Mechanical engineering en
dc.subject.other 213 Electronic, automation and communications engineering, electronics en
dc.title A study for improving the energy efficiency of lifts with adjustable counterweighting en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Electrical Engineering and Automation
dc.contributor.department KONE Corporation Finland
dc.subject.keyword counterweight
dc.subject.keyword elevator
dc.subject.keyword energy consumption
dc.subject.keyword energy efficiency
dc.subject.keyword energy savings
dc.subject.keyword instantaneous power
dc.subject.keyword Lift
dc.subject.keyword office building
dc.subject.keyword optimisation
dc.subject.keyword traffic profile
dc.subject.keyword Building and Construction
dc.subject.keyword 214 Mechanical engineering
dc.subject.keyword 213 Electronic, automation and communications engineering, electronics
dc.identifier.urn URN:NBN:fi:aalto-201812106016
dc.identifier.doi 10.1177/0143624417697773
dc.type.version acceptedVersion

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