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Electric Power Components and Systems Volume 37, 2009 - Issue 8
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Letters To The Editor

Letter to the Editor: A Comparative Study of Two Power Sources in DC Systems

F. Misoc Department of Applied Technology, Mississippi Valley State University, Itta Bena, Mississippi, USA
,
J. Lookadoo Department of Engineering Technology, Pittsburg State University, Pittsburg, Kansas, USA
&
M. M. Morcos Department of Electrical and Computer Engineering, Kansas State University, Manhattan, Kansas, USA
Pages 936-942 | Received 17 Oct 2008, Accepted 06 Feb 2009, Published online: 16 Jun 2009
 
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Abstract

In this research, the output voltage characteristics of two DC power sources are compared. Both nickel-cadmium DC-DC buck converter and direct ethanol fuel cell DC-DC buck converter systems are experimentally evaluated over a selected switching frequency range. The output voltage characteristics of two types of direct ethanol fuel cell DC-DC buck converter systems are determined. Experimental results are compared to simulations of Fourier-series models of each DC system. The output voltage obtained through simulation and the theoretical output voltage of each system are identical.

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