Güç Kaynakları İçin Yüksek Verimli Güç Faktörü Düzeltme Devresi Tasarımı

Yıl 2017, Cilt: 5 Sayı: 4, 187 - 199, 22.12.2017

Atiye Hülya Obdan Ali Osman Çınar

https://doi.org/10.29109/http-gujsc-gazi-edu-tr.350222

Öz

Anahtarlamalı güç
kaynakları için güç faktörü düzeltme devreleri tasarlamak enerjinin verimli
kullanılabilmesi açısından son yıllarda önemli hale gelmiştir. Güç faktörü
düzeltme (GFD) teknikleri, yüksek güç yoğunluğu ve enerji verimliliği açısından
çok önemli bir rol oynamaktadır. Bu amaçla temel yükseltici GFD devrelerinin
yanında, köprüsüz GFD topolojileri ve kontrol stratejileri geliştirilmiştir.
Köprüsüz yapılar kullanılarak, devredeki kayıplar azaltılarak güç yoğunluğu
arttırılabilir. Bu makalede, köprüsüz GFD yapıları incelenerek, kayıplar ve güç
faktörü açısından performansları karşılaştırılmıştır. Yüksek güç seviyelerinde
yaygın bir şekilde kullanılan yarı köprü çift yükseltici yapılı GFD devresi
analiz edilmiş ve akım modlu kontrol yöntemi uygulanarak tasarlanan devrenin
benzetimi PSIM programında yapılmıştır. 900 W' lık yarı köprü çift yükseltici
yapılı GFD devresinin bir prototipi gerçekleştirilmiş ve devreden elde edilen
sonuçlar sunulmuştur.

Anahtar Kelimeler

Güç faktörü düzeltme (GFD), Köprüsüz Güç Faktörü Düzeltme (KGFD), Sürekli İletim Modu (SİM), Ortalama Akım Modlu Kontrol

Design of The High Efficiency Power Factor Correction Circuit for Power Supply

Öz

Designing
power factor correction circuits for switched power supplies has become
important in recent years in terms of efficient use of energy. Power factor
correction techniques play a significant role in high power density and energy
efficiency. For these purposes, bridgeless PFC topologies and control
strategies have been developed alongside basic boost PFC circuits. The power
density can be increased using bridgeless structures by means of reducing
losses in the circuit. This article examines bridgeless PFC structures and compares
their performances in terms of losses and power factor. A semi-bridgeless PFC,
which is widely used at high power levels, was analyzed and simulated. The
designed circuit simulation using the current mode control method was performed
in the PSIM program. A prototype of a 900 W semi-bridgeless PFC circuit was
implemented and the results obtained from the circuit are presented

Anahtar Kelimeler

Power Factor Correction (PFC), Bridgeless Power Factor Correction (BPFC), Continuous Conduction Mode (CCM), Average Current Mode Control (ACM), Semi Bridgeless PFC (SBPFC) Topology

Kaynakça

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