Abstract
Single-phase voltage inverters are used among others in relief supplies and DC-DC converters to the alternative middle tier. In these applications, the main purpose is to obtain a sinusoidal AC output signal whose amplitude and frequency can be controlled, as well as the low levels of THD. This document presents a comparative study of certain orders single-phase inverters techniques. The techniques used are studied; the results of the simulations will be discussed.
Highlights
Development policy of local expertise for the mastery of technologies related to the photovoltaic conversion requires the implementation of static models converters such as inverters.The relevance of this problem is confirmed during the preparatory work for this study: due to the national electricity grid failures, harmonic currents can give birth to harmonics of voltage distorted mains voltage wave and generate additional losses, mention (Ryan et al (1997) and Houldsworth and Grant (1984)
The response time is noted at the moment where the effective voltage remains constant from which a value of approximately 4,09.10D%sfor the PWM Simple command
Note that the study of harmonic content was assessed at the level of permanent regime
Summary
Development policy of local expertise for the mastery of technologies related to the photovoltaic conversion requires the implementation of static models converters such as inverters.The relevance of this problem is confirmed during the preparatory work for this study: due to the national electricity grid failures, harmonic currents can give birth to harmonics of voltage distorted mains voltage wave and generate additional losses, mention (Ryan et al (1997) and Houldsworth and Grant (1984). The harmonics that is still present in a makeup unfit sine wave to use electrical noise is a matter of concern, as in medical devices that monitor the vital signs of a particular human being in the field of renewable Energies. These are secondary harmonics that are additional to a main oscillation and whose frequency is a multiple of the main swing. The objective is to study the basic control technics most used and some called advanced technologies, evaluate them and select one that would be more appropriate for minimizing harmonics
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More From: Research Journal of Applied Sciences, Engineering and Technology
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