High-power-factor light-emitting diode lamp power supply without electrolytic capacitors for high-pressure-sodium lamp retrofit applications

被引：16

作者：

Marcos Alonso, J. ^{[1
]}

Calleja, Antonio J. ^{[1
]}

Gacio, David ^{[1
]}

Cardesin, Jesus ^{[1
]}

Lopez, Emilio ^{[1
]}

Dalla Costa, Marco Antonio ^{[2
]}

da Silva, Marcelo Freitas ^{[2
]}

do Prado, Ricardo Nederson ^{[2
]}

机构：

[1] Univ Oviedo, Dept Elect Engn, Gijon 33204, Spain

[2] Univ Fed Santa Maria, Grp Intelligence Lighting GEDRE, BR-97105900 Santa Maria, RS, Brazil

来源：

IET POWER ELECTRONICS | 2013年 / 6卷 / 08期

关键词：

Buck-Boost converter - Retrofitting - Electrolytic capacitors - Boost converter - Sodium - Capacitance - Electric power factor;

D O I：

10.1049/iet-pel.2012.0142

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A long-life high-power-factor integrated converter able to supply light-emitting diode (LED) lamps in high-pressure-sodium lamp retrofitting applications is presented. The proposed converter is the integration of a buck-boost converter with a buck converter, thus providing the necessary high input power factor and voltage transformation ratio to supply the low-voltage LED array from the mains. The analysis of the converter is carried out, and a design procedure is proposed. The design is also performed so that low capacitances are needed at the output of each semi-stage. This allows for the use of long-life film capacitors, thus matching the converter lifetime to that of the LED lamp. A laboratory prototype supplied from 230 V-rms/50 Hz mains used to drive two LED arrays in series with a total output power of 100 W is presented.

引用

页码：1502 / 1515

页数：14

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