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صفحه اصلی
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سی امین کنفرانس بین المللی مهندسی برق
Switched-Inductor Cuk and SEPIC Power Factor Correction Rectifiers
نویسندگان :
Maryam Pourmahdi-torghabe
1
Hamed Heydari-doostabad
2
Reza Ghazi
3
1- دانشگاه فردوسی مشهد
2- University College Dublin
3- دانشگاه فردوسی مشهد
کلمات کلیدی :
Bridgeless, PFC, rectifiers, buck-boost gain voltage ratio.
چکیده :
This paper proposes two new high step-down-up power factor correction active rectifiers. The main advantage of the proposed rectifiers compared to previous works, is the provision of the positive or negative buck-boost voltage gain ratio with the lowest number of semiconductor device count conducting simultaneously and the continuous input current. The converter also provides high step-down operation, and facilitates positive or negative output voltages with a low number of semiconductor devices conducting simultaneously. High power factor, acceptable grid side current quality and high efficiency are also achieved. Experimental results are presented for a 500 W prototype, operating from 220 Vrms input to $\pm$48 Vdc output. The experimental results demonstrate the capability for high step-down and step-up ac to dc power conversion with a peak efficiencies of 97.3\% and 96.7\%.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
