APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058)
DOI: 10.1109/apec.2000.822834
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A design approach for server power supplies for networking applications

Abstract: Present specifications for computer power supplies for networking applications call for designs with dual inputs: the universal ac-line input and the 48-V nominal dc input. In this paper, a design and evaluation of the dc-input version of a 900-W server power supply is presented. The dc-input version of this power supply is leveraged from the ac-input version by using the same output stage, and by replacing the ac front-end in the ac-input version with a dc front end which provides the same input voltage to th… Show more

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Cited by 167 publications
(82 citation statements)
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“…Para estender a faixa de conversão, [4,5] sugerem a utilização de conversores boost em cascata. Entretanto, a estrutura resultante é volumosa e complexa sob o ponto de vista de controle.…”
Section: Palavras-chaveunclassified
“…Para estender a faixa de conversão, [4,5] sugerem a utilização de conversores boost em cascata. Entretanto, a estrutura resultante é volumosa e complexa sob o ponto de vista de controle.…”
Section: Palavras-chaveunclassified
“…When the duty cycle approaches unity, a large pulse current will conduct through the diode in a short time, which leads to large the current stress of the diode and severe reverse recovery problem. This will greatly affect the efficiency and brings about a serious electromagnetic interference problem [9][10][11][12]. By cascading another boost converter, a high voltage gain can be easily obtained.…”
Section: Introductionmentioning
confidence: 99%
“…Considering this issue, two classic boost converters in cascade is no way to cope with the specifications since this solution needs two power switches which, on top of that, are difficult to drive properly because of a high order under damped resonant circuits [14] [15]. Alternatively, this idea was taken up in designing quadratic converters made of a single power switch and three diodes with D SI synchronized to S switches (figure 3) [16] [17] [18].…”
Section: Dc-dc Conver Ter Without Tr Ansfor Mermentioning
confidence: 99%
“…This value is calculated using the previous description: (14)  and that the output power equals the input power. For this purpose, we consider that the input and output filters deliver a constant voltage.…”
Section: Steady State Key Valuesmentioning
confidence: 99%