Digitally Controlled Integrated Electronic Ballast with Dimming and Power Factor Correction Features

被引:0
|
作者
Aguilar-Castillo, C. [1 ]
Garcia-Beltran, C. D. [1 ]
Morcillo-Herrera, C. [2 ]
机构
[1] Ctr Nacl Invest & Desarrollo Tecnol, Interior Internado Palmira SN, Cuernavaca, Morelos, Mexico
[2] Univ Tecnol Metropolitana, Merida, Yucatan, Mexico
关键词
Electronic ballast; lighting control; active power factor correction; digital control;
D O I
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学科分类号
摘要
This paper presents a digitally controlled integrated electronic ballast with dimming and power factor correction features. The control circuit is based on a low-cost PIC16C71 microcontroller where the different strategies for energy saving have been implemented. The ballast is operating in closed loop achieving tight lamp current regulation through a digital Proportional-Integral algorithm. The integrated power stage is based on a frequency-controlled single-switch boost rectifier plus a half-bridge series resonant parallel loaded inverter sharing one power switch. The single-switch boost rectifier works in discontinuous inductor current mode with automatic power factor correction. Detailed analysis of the power stages and experimental results using 42-watt electronic ballast are presented.
引用
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页码:295 / 309
页数:15
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