kirkuk university journal scientific studies

ISSN: 19920849 
Publisher: Kirkuk University 
Faculty: Science 
Language: Arabic and English 

This journal is Open Access 

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High Frequency Pulse Width Modulation Converters
 
Ahmed Hassan Mohammed Tikrit University / Electrical Engineering Department

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Received date: 92/3/2011                             Accepted date: 3/11/2013  

Abstract
 
The delta modulation technique permits an accurate of an arbitrary reference. Spectrum of the current going through an inductive load shows a very low THD. Moreover, notches are located around the sample frequency multiples, which is of interest for converters without output low-pass filter. In this paper, we demonstrate that the delta modulator structure can be easily implemented when regulating the converter output current going through an inductive load. Then, we propose a mean for computing the load current spectrum using the Laplace and Fourier transforms.  
Keywords Modulation strategies, converter control, education tools, single phase systems. 

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