BRIDGELESS BUCK-BOOST PFC CONVERTER WITH THREE-STATE SWITCHING CELL

被引：0
|
作者：
Morais, Douglas Carvalho [1 ]
Mendes de Seixas, Falcondes Jose [1 ]
Arenas, Luis de Oro [1 ]
Souza, Lucas Carvalho [1 ]
da Costa e Silva, Luciano de Souza [2 ]
机构：
[1] Sao Paulo State Univ, UNESP, Sch Engn, Ilha Solteira, SP, Brazil
[2] Fed Inst Goias IFG, Jatai, Go, Brazil
来源：
2019 IEEE 15TH BRAZILIAN POWER ELECTRONICS CONFERENCE AND 5TH IEEE SOUTHERN POWER ELECTRONICS CONFERENCE (COBEP/SPEC) | 2019年
关键词：
bridgeless buck-boost converter; three-state switching cell; power factor correction; total harmonic distortion; continuous conduction mode; FAMILY;
D O I：
10.1109/cobep/spec44138.2019.9065748
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：
In this paper, a bridgeless buck-boost converter with power factor correction is proposed, using a three-state switching cell named of B configuration, operating in continuous conduction mode. The bridgeless technique allows the bridge rectifier inclusion switched on power grid frequency, in the high frequency DC-DC converter stage, reducing the stages number required and increasing the structure reliability. Due to three-state switching cell configuration, there is a current stress division by half of the inductor current in all of circuit semiconductors. Moreover, the ripple frequency on converter energy storage elements is twice switching frequency value, which make easier the design of input and output passive filters and reduces the converter's volume and weight. Preliminary simulation results prove the converter effectiveness on power factor correction, keeping output voltage stable in a specified operation point, with a total harmonic distortion of the input current less than 2%.
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收藏
页数：6
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