Abstract
In this paper, the concept of high-voltage driving of LED is proposed to reduce the output voltage ripple of LED driver circuits by decreasing the AC current flowing through the output capacitor, leading to the potential replacement of electrolytic capacitor with other capacitor types having significantly longer lifetime. It also enables a direct driving of the LED load without the need for a second stage for voltage step-down. To further reduce the output voltage ripple's amplitude or output capacitor's size, the well-known third-order harmonic current injection technique can be incorporated. A general design procedure including the effect of harmonic current injection is proposed and verified experimentally.
Original language | English |
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Title of host publication | Proceedings, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society |
Pages | 6058-6062 |
Number of pages | 5 |
DOIs | |
Publication status | Published - 1 Dec 2013 |
Event | 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013 - Vienna, Austria Duration: 10 Nov 2013 → 14 Nov 2013 |
Conference
Conference | 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013 |
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Country/Territory | Austria |
City | Vienna |
Period | 10/11/13 → 14/11/13 |
ASJC Scopus subject areas
- Control and Systems Engineering
- Electrical and Electronic Engineering