Design of ACDC switching power supply with APFC function

Home > Archive>Volume 39, Issue 5, 2016 >22-26

Design of ACDC switching power supply with APFC function
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                        Zhang WenwenZhang Wenwen
School of OpticalElectrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
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Liu ZilongLiu Zilong
School of OpticalElectrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
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Sun HongwuSun Hongwu
School of OpticalElectrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
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Xia JidongXia Jidong
School of OpticalElectrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
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Affiliation:School of OpticalElectrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
Clc Number:TM46
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Abstract:

The paper designs a signlephase electric ACDC conversion，with controller chip TMS320F28335，active power factor controller UCC28019 as a core of the system，The power factor measurement circuit,output over protection circuit，power factor adjustment circuit were designed.Test results show that when input AC voltage is 24 V and output current is 2 A,the system can output 36 V voltage stably.Its load regulation rate less than or equal to 05%，when input AC voltage from 20 to 30 V,Voltage regulation rate SUis not more than 0.5%,the maximum error of power factor is 0.03，System have overcurrent protection function，overcurrent protection operating is 2.52 A, power factor is up to 0.99.

Key words:Ucc28019; APFC; PF; voltage regulation rate

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Online: July 01,2016
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