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- Publisher Website: 10.1109/TPEL.2010.2103959
- Scopus: eid_2-s2.0-84863115381
- WOS: WOS:000304263700038
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Article: Elimination of an Electrolytic Capacitor in AC/DC Light-Emitting Diode (LED) Driver With High Input Power Factor and Constant Output Current
Title | Elimination of an Electrolytic Capacitor in AC/DC Light-Emitting Diode (LED) Driver With High Input Power Factor and Constant Output Current |
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Authors | |
Keywords | AC/DC LED drivers Electrolytic capacitors Lifetime Light-emitting diodes (LEDs) |
Issue Date | 2012 |
Publisher | IEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=63 |
Citation | IEEE Transactions on Power Electronics, 2012, v. 27 n. 3, p. 1598-1607 How to Cite? |
Abstract | While LEDs enjoy relatively long lifetime up to 10 years, the lifetime of traditional LED drivers using electrolytic capacitor as storage element is limited to typically less than 5 years. In this paper, an ac/dc LED driver without electrolytic capacitor is studied. Compared with other methods to eliminate electrolytic capacitor, the proposed driver has the advantages of almost unity input power factor and constant output current for LEDs. The operation principle, detailed design procedure of the main circuit, and control strategy are presented. The feasibility of the proposed converter has been successfully verified by experiments. |
Persistent Identifier | http://hdl.handle.net/10722/164083 |
ISSN | 2023 Impact Factor: 6.6 2023 SCImago Journal Rankings: 3.644 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chen, W | - |
dc.contributor.author | Hui, SYR | - |
dc.date.accessioned | 2012-09-20T07:55:12Z | - |
dc.date.available | 2012-09-20T07:55:12Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | IEEE Transactions on Power Electronics, 2012, v. 27 n. 3, p. 1598-1607 | - |
dc.identifier.issn | 0885-8993 | - |
dc.identifier.issn | 0885-8993 | - |
dc.identifier.uri | http://hdl.handle.net/10722/164083 | - |
dc.description.abstract | While LEDs enjoy relatively long lifetime up to 10 years, the lifetime of traditional LED drivers using electrolytic capacitor as storage element is limited to typically less than 5 years. In this paper, an ac/dc LED driver without electrolytic capacitor is studied. Compared with other methods to eliminate electrolytic capacitor, the proposed driver has the advantages of almost unity input power factor and constant output current for LEDs. The operation principle, detailed design procedure of the main circuit, and control strategy are presented. The feasibility of the proposed converter has been successfully verified by experiments. | - |
dc.language | eng | - |
dc.publisher | IEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=63 | - |
dc.relation.ispartof | IEEE Transactions on Power Electronics | - |
dc.subject | AC/DC LED drivers | - |
dc.subject | Electrolytic capacitors | - |
dc.subject | Lifetime | - |
dc.subject | Light-emitting diodes (LEDs) | - |
dc.title | Elimination of an Electrolytic Capacitor in AC/DC Light-Emitting Diode (LED) Driver With High Input Power Factor and Constant Output Current | - |
dc.type | Article | - |
dc.identifier.email | Hui, SYR: ronhui@eee.hku.hk | - |
dc.identifier.authority | Hui, SYR=rp01510 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/TPEL.2010.2103959 | - |
dc.identifier.scopus | eid_2-s2.0-84863115381 | - |
dc.identifier.hkuros | 208779 | - |
dc.identifier.volume | 27 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 1598 | - |
dc.identifier.epage | 1607 | - |
dc.identifier.isi | WOS:000304263700038 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0885-8993 | - |