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Efficiency of Off-Board, High Power, Electric Vehicle Battery Chargers with Active Power line Conditioning Capabilities

Karlsson, Per LU ; Bojrup, Martin; Alaküla, Mats LU and Gertmar, Lars LU (1997) EPE 97 In EPE 97 Conference Proceedings p.4688-4692
Abstract (Swedish)
Abstract in Undetermined

A comparison is made of battery charger topologies for electric vehicles. The chargers are all off-board, and capable of active power line conditioning and bi-directional power flow to compensate local utilities during peak power loads. The active power line conditioning capability is important, since an increase of battery chargers based on ordinary diode rectifiers would increase the low order harmonic content in grid currents. The battery chargers studied are one hard switched with a voltage-stiff dc link, and three soft switched with quasi-resonant dc links. Performance characteristics and energy conversion efficiency were evaluated from simulations. Indeed, the results imply that quasi resonant... (More)
Abstract in Undetermined

A comparison is made of battery charger topologies for electric vehicles. The chargers are all off-board, and capable of active power line conditioning and bi-directional power flow to compensate local utilities during peak power loads. The active power line conditioning capability is important, since an increase of battery chargers based on ordinary diode rectifiers would increase the low order harmonic content in grid currents. The battery chargers studied are one hard switched with a voltage-stiff dc link, and three soft switched with quasi-resonant dc links. Performance characteristics and energy conversion efficiency were evaluated from simulations. Indeed, the results imply that quasi resonant topologies have higher efficiency than hard switched. The drawback with the soft switched dc links studied is the additional components, active and passive, needed for quasi-resonant operation. In battery charger applications, where high power efficiency is of prime interest, quasi-resonant topologies should be chosen. (Less)
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Quasi-resonant dc link, efficiency, battery chargers, active power line conditioners
in
EPE 97 Conference Proceedings
pages
5 pages
publisher
EPE Association
conference name
EPE 97
language
English
LU publication?
yes
id
5dd51635-ae3b-47cf-97a5-cd1588ccd67f (old id 2628374)
alternative location
http://www.iea.lth.se/~ielper/charger/EPE97-paper.pdf
date added to LUP
2012-06-04 14:50:19
date last changed
2016-04-16 09:21:36
@misc{5dd51635-ae3b-47cf-97a5-cd1588ccd67f,
  abstract     = {<b>Abstract in Undetermined</b><br/><br>
A comparison is made of battery charger topologies for electric vehicles. The chargers are all off-board, and capable of active power line conditioning and bi-directional power flow to compensate local utilities during peak power loads. The active power line conditioning capability is important, since an increase of battery chargers based on ordinary diode rectifiers would increase the low order harmonic content in grid currents. The battery chargers studied are one hard switched with a voltage-stiff dc link, and three soft switched with quasi-resonant dc links. Performance characteristics and energy conversion efficiency were evaluated from simulations. Indeed, the results imply that quasi resonant topologies have higher efficiency than hard switched. The drawback with the soft switched dc links studied is the additional components, active and passive, needed for quasi-resonant operation. In battery charger applications, where high power efficiency is of prime interest, quasi-resonant topologies should be chosen.},
  author       = {Karlsson, Per and Bojrup, Martin and Alaküla, Mats and Gertmar, Lars},
  keyword      = {Quasi-resonant dc link,efficiency,battery chargers,active power line conditioners},
  language     = {eng},
  pages        = {4688--4692},
  publisher    = {ARRAY(0x958e3c0)},
  series       = {EPE 97 Conference Proceedings},
  title        = {Efficiency of Off-Board, High Power, Electric Vehicle Battery Chargers with Active Power line Conditioning Capabilities},
  year         = {1997},
}