GDL

Journal from gdlhub / 2017-08-21 11:42:08
Oleh : P. Kowstubha , K. Krishnaveni , K. Ramesh Reddy, Telkomnika
Dibuat : 2016-12-20, dengan 1 file

Keyword : LLC resonant DC/DC converter, FundamentalHarmonic Approximation, zero-voltage switching, MOSFETS
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/3306
Sumber pengambilan dokumen : Web

The main benefits of a half-bridge LLC resonant DC/DC converter that uses two inductors (LL) and a capacitor(C) over the other load resonant converters are its less circulating currents, larger bandwidth for Zero Voltage Switching (ZVS) and limited tuning of operating frequency for controlled output. LLC resonant DC/DC converter is identified as a widely adopted topology in server and telecom power system applications because of its higher efficiency, flexibility and reliability. This paper proposes a novel design procedure using peak gain adjustment for a design example of 400V/12V-5A LLC resonant DC/DC converter used in server based applications. An experimental set up of the converter for the specifications mentioned is built and evaluated with the power switch traded as FSFR 2100 IC of Texas Instruments in closed loop configuration. The experimental results have exhibited an improved efficiency of 94% with the novel design proposed for the converter.

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