PROPOSAL OF A DC-DC CONVERTER WITH WIDE CONVERSION RANGE USED IN PHOTOVOLTAIC SYSTEMS AND UTILITY POWER GRID FOR THE UNIVERSAL VOLTAGE RANGE

被引：3

作者：

de Britto, Jonas Reginaldo ^{[1
]}

Romualdo da Silva, Fabio Vincenzi ^{[1
]}

Alves Coelho, Ernane Antonio ^{[1
]}

de Freitas, Luis Carlos ^{[1
]}

Farias, Valdeir Jose ^{[1
]}

Vieira Junior, Joao Batista ^{[1
]}

机构：

[1] Univ Fed Uberlandia, Fac Engn Eletr FEELT, BR-38400902 Uberlandia, MG, Brazil

来源：

2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年

关键词：

DC-DC converter; LED string; photovoltaic systems and wide voltage conversion range;

D O I：

10.1109/APEC.2010.5433551

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：

This paper describes the design and implementation of a Boost connected in cascade with a Quadratic Buck converter, with just one active switch, used to drive a LED string for public and private lighting purposes. The proposed converter supports a wide input voltage range that makes it possible to be supplied from 12 V-DC to 340 V-DC (240 V-AC), without any additional adjustment. It can be used in hybrid electrical systems supplied by photovoltaic systems or 110/220 V-AC from the utility power grid. Experimental results from an 11 W prototype are also presented.

引用

页码：2258 / 2263

页数：6

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