Veri Merkezi Uygulamaları için Yüksek Verimli Bir LLC Rezonanslı DC-DC Dönüştürücü Tasarımı

Bu çalışmada, veri merkezi uygulamaları için yumuşak anahtarlamalı olarak çalışan LLC rezonanslı bir DC-DC dönüştürücünün yüksek verimli tasarım yaklaşımı sunulmuştur. Tasarım metodunda dönüştürücü optimizasyonu için temel harmonik yaklaşımı (FHA) analiz metodu kullanılmıştır. Dönüştürücünün devre elemanları yüksek verim için optimize edilmiştir. Elde edilen optimizasyon sonuçları ile 48 V / 960 W çıkış değerlerine sahip bir prototip kurulmuş ve dönüştürücünün yumuşak anahtarlamalı olarak çalışması geniş bir yük aralığında test edilmiştir. Uygulanan tasarım metodu ile elde edilen maksimum verim %94 olarak ölçülmüştür

A High Efficiency Design of LLC Resonant Converter for Data Center Applications

In this study, high efficiency design approach for a LLC resonant DC-DC converter to be used in data center applications is proposed. In the design method, first harmonic approximation (FHA) is used for the optimization of the converter. According to optimization results, a prototype wit 48 V / 960 W output was built and soft switching operation of the converter prototype was tested for wide load range. The obtained maximum efficiency with the proposed method was measured as 94%

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