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Nyström, R. och He, Y. (2012) Evaluation of a non-isolated charger. Concept, analysis and reference design.. Göteborg : Chalmers University of Technology
BibTeX
@mastersthesis{
Nyström2012,
author={Nyström, Robert and He, Yuxuan},
title={Evaluation of a non-isolated charger. Concept, analysis and reference design.},
abstract={This report discusses the necessity of a galvanic isolation in an onboard charger for a
Plug-in Hybrid Electric Vehicle. It was hypothesized that the galvanic isolation was a
source of losses, and it is known that the use of galvanic isolation give rise to higher
costs and it requires more space. Three different topologies without galvanic isolation
was investigated and simulated in OrCad PSpice. For these, cost, volume, weight and
efficiency was analyzed and a best solution was chosen.
It was found that using a bridgeless charger gave the highest efficiency, approximately
98%, and it also had acceptable price and a satisfactory dimensional analysis. The bridgeless
charger did however not perform good regarding THD injected into the utility, thus
future work with this charger is needed to investigate if it is possible to reduce the THD
impact without influencing the efficiency, size and weight to much. Synchronous rectification
was also investigated and it was found that it was not a good solution in this case.
},
publisher={Institutionen för energi och miljö, Elteknik, Chalmers tekniska högskola},
place={Göteborg},
year={2012},
keywords={non-isolated, Power factor correction, onboard charger, bridgeless, fullbridge},
note={39},
}
RefWorks
RT Generic
SR Electronic
ID 162602
A1 Nyström, Robert
A1 He, Yuxuan
T1 Evaluation of a non-isolated charger. Concept, analysis and reference design.
YR 2012
AB This report discusses the necessity of a galvanic isolation in an onboard charger for a
Plug-in Hybrid Electric Vehicle. It was hypothesized that the galvanic isolation was a
source of losses, and it is known that the use of galvanic isolation give rise to higher
costs and it requires more space. Three different topologies without galvanic isolation
was investigated and simulated in OrCad PSpice. For these, cost, volume, weight and
efficiency was analyzed and a best solution was chosen.
It was found that using a bridgeless charger gave the highest efficiency, approximately
98%, and it also had acceptable price and a satisfactory dimensional analysis. The bridgeless
charger did however not perform good regarding THD injected into the utility, thus
future work with this charger is needed to investigate if it is possible to reduce the THD
impact without influencing the efficiency, size and weight to much. Synchronous rectification
was also investigated and it was found that it was not a good solution in this case.
PB Institutionen för energi och miljö, Elteknik, Chalmers tekniska högskola,PB Institutionen för energi och miljö, Elteknik, Chalmers tekniska högskola,
LA eng
LK http://publications.lib.chalmers.se/records/fulltext/162602.pdf
OL 30
