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Towards renewable public transport: Mining the performance of electric buses using solar-radiation as an auxiliary power source
Qingdao Univ, Coll Comp Sci & Technol, Ningxia Rd 308, Qingdao 266071, Peoples R China..
Qingdao Univ, Coll Comp Sci & Technol, Ningxia Rd 308, Qingdao 266071, Peoples R China.;Univ Tokyo, Ctr Spatial Informat Sci, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778568, Japan..
Beijing Univ Technol, Coll Metropolitan Transportat, Beijing Key Lab Traff Engn, Beijing 100124, Peoples R China.;Beijing Jiao Tong Univ, Sch Traff & Transportat, Beijing 100044, Peoples R China..
Qingdao Univ, Coll Comp Sci & Technol, Ningxia Rd 308, Qingdao 266071, Peoples R China..
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2022 (engelsk)Inngår i: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 325, artikkel-id 119863Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Transforming the road public transport to run on renewable energy is vital solution to achieve carbon neutral and net zero goals. This paper evaluates the potential of using solar radiation-generated electricity as an auxiliary power supplementary for the battery of electric buses, based on a developed framework that using publicly street-view panoramas, GPS trajectory data and DEM data as input parameters of solar radiation model. A case study of Qingdao, China with 547 bus routes, 28,661 street-view panoramas shows that the solar-radiation electricity generated at noon during the operation accounts for about one-fifth, one-eighth of the total elec-tricity consumption of a bus traveling one kilometer in a sunny day and a cloudy day, respectively. Spatial variability shows significant solar-radiation power generation advantages in newly-launched areas and expressway. The solar power generated in a sunny day can make a bus half of passengers and with air conditioner off at least one extra trip in 2:1 replacement schedule, and nearly close to one extra trip in 4:3 replacement schedule. A correlated relation between the solar-radiation power generation benefit and the operation schedule of electric buses is observed, implying that the high cost of 2:1 replacement schedule for long-distance routes during summer or winter can be reduced. The proposed framework can help us evaluate and understand the feasibility of solar radiation-generated electricity energy of electric bus fleets covering the large-scale urban areas at different times, locations, and weather conditions, so as to support effective decisions at better planning of PV-integrated electric buses.

sted, utgiver, år, opplag, sider
ELSEVIER SCI LTD , 2022. Vol. 325, artikkel-id 119863
Emneord [en]
Electric buses, Solar radiation-generated electricity, Spatio-temporal distribution, Operation schedule
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-60656DOI: 10.1016/j.apenergy.2022.119863ISI: 000875170400006Scopus ID: 2-s2.0-85137280429OAI: oai:DiVA.org:mdh-60656DiVA, id: diva2:1712291
Tilgjengelig fra: 2022-11-21 Laget: 2022-11-21 Sist oppdatert: 2022-11-21bibliografisk kontrollert

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