Single-Stage High Power Factor Converters Requiring Low DC-Link Capacitance to Drive Power LEDs

被引：21

作者：

da Fonseca, Zito Palhano ^{[1
]}

Perin, Arnaldo Jose ^{[2
,3
]}

Agostini Junior, Eloi ^{[4
]}

Nascimento, Claudinor Bitencourt ^{[4
]}

机构：

[1] Univ Estadual Ponta Grossa, Informat Dept, BR-84030900 Ponta Grossa, Brazil

[2] Univ Fed Santa Catarina, Elect Engn Dept, BR-88040900 Florianopolis, SC, Brazil

[3] Univ Fed Santa Catarina, Elect Engn Grad Program, BR-88040900 Florianopolis, SC, Brazil

[4] Fed Univ Technol Parana UTFPR, BR-84016210 Ponta Grossa, Brazil

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2017年 / 64卷 / 05期

关键词：

Lighting system; power factor converter (PFC); power light-emitting diodes (LEDs); single-stage converter; ELECTRONIC BALLAST; LAMPS;

D O I：

10.1109/TIE.2016.2564343

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes two nonisolated single-stage high power factor converters requiring low dc-link capacitance for power LEDs systems. Both converters result from the integration of the power factor correction and the LEDs driver stages, and require a relatively low dc-link capacitance value. A high power factor is demonstrated to be an inherent property of the proposed topologies and no input current control is necessary. The LEDs current is regulated by a symmetrical soft-switching half-bridge converter associated with a capacitive output filter. An accurate mathematical analysis valid for the two converters is detailed, yielding the elaboration of a step-by-step design procedure. In order to verify the analyses carried out, experimental results for two 90 W, 50 kHz, and 220 V converters are also presented.

引用

页码：3557 / 3567

页数：11

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