A High Power Factor LED Driver Based on Improved Forward-Flyback without Electrolytic Capacitor

被引：0

作者：

Dong, Hanjing ^{[1
]}

Xie, Xiaogao ^{[2
]}

Chen, Huaizhong ^{[1
]}

Jin, Zheliang ^{[1
]}

机构：

[1] Zhejiang Ind Polytech Coll, Shaoxing, Peoples R China

[2] Hangzhou Dianzi Univ, Hangzhou, Zhejiang, Peoples R China

来源：

2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年

关键词：

LED driver; forward-flyback; power factor correction (PFC); electrolytic capacitor-less; one-and-a-half stage;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An improved forward-flyback converter for electrolytic capacitor-less (E-cap less) LED driver with high power factor (PF), high efficiency, low output current ripple and long lifetime has been proposed and studied in this paper. The improved topology consists of a single switch forward-flyback converter in order to achieve high PF. In addition, a buck converter is inserted between the forward sub-converter and the load to create two parallel paths for power transfer. The most of power directly reaches the load through flyback sub-converter, and only a small part of the total energy reaches the load through forward sub-converter and buck converter. Therefore, the power decoupling can be realized and the electrolytic capacitor can be eliminated based on the proposed "one-and-a-half stage" converter. Optimal control scheme, detailed analysis and design considerations for this improved converter are presented. Finally, an experimental prototype for 28V/700mA LED driver was built up to verify the theoretical analysis.

引用

页码：2404 / 2411

页数：8

共 14 条

[1]

[Anonymous], 2009, LIF WHIT LEDS EN EFF

[2]

[Anonymous], 2001, EL CAP APPL GUID

[3]

[Anonymous], 2005, 6100032 IEC

[4] Elimination of an Electrolytic Capacitor in AC/DC Light-Emitting Diode (LED) Driver With High Input Power Factor and Constant Output Current [J].

Chen, Wu ;

Hui, S. Y. Ron .

IEEE TRANSACTIONS ON POWER ELECTRONICS, 2012, 27 (03) :1598-1607

[5] A single-stage high-power-factor electronic ballast based on integrated buck flyback converter to supply metal halide lamps [J].

Costa, Marco A. Dalla ;

Alonso, J. Marcos ;

Miranda, Jesus Cardesin ;

Garcia, Jorge ;

Lamar, Diego G. .

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2008, 55 (03) :1112-1122

[6] A new single-phase active power filter with reduced energy-storage capacity [J].

Hsu, CY ;

Wu, HY .

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS, 1996, 143 (01) :25-30

[7] High-power-factor light-emitting diode lamp power supply without electrolytic capacitors for high-pressure-sodium lamp retrofit applications [J].

Marcos Alonso, J. ;

Calleja, Antonio J. ;

Gacio, David ;

Cardesin, Jesus ;

Lopez, Emilio ;

Dalla Costa, Marco Antonio ;

da Silva, Marcelo Freitas ;

do Prado, Ricardo Nederson .

IET POWER ELECTRONICS, 2013, 6 (08) :1502-1515

[8] Optimum Injected Current Harmonics to Minimize Peak-to-Average Ratio of LED Current for Electrolytic Capacitor-Less AC-DC Drivers [J].

Ruan, Xinbo ;

Wang, Beibei ;

Yao, Kai ;

Wang, Shu .

IEEE TRANSACTIONS ON POWER ELECTRONICS, 2011, 26 (07) :1820-1825

[9]

Valipour H., 2016, POWER ELECT IEEE T, V31, P6553

[10] A Method of Reducing the Peak-to-Average Ratio of LED Current for Electrolytic Capacitor-Less AC-DC Drivers [J].

Wang, Beibei ;

Ruan, Xinbo ;

Yao, Kai ;

Xu, Ming .

IEEE TRANSACTIONS ON POWER ELECTRONICS, 2010, 25 (03) :592-601

← 1 2 →