A6struct-This paper presents a new control technique with low harmonic distortion for the input power factor correction in a three phase boost Converter. This control technique is similar to the hysteresis control, but the switching frequency is kept practically constant. This technique can be employed since that the converter output voltage is three times greater than the maximum phase neutral input voltage.This paper proposes a wide study on the hysteresis control with practically constant frequency applied to the three phase boost converter, where simulation results show the current behavior in each phase and the frequency variation along a switching cycle. It will be also shown that the switching frequency variation is negligible.
Iiidex Terms-boost converter, power factor correction.This paper presents a wide study on the hysteresis control with practically constant frequency applied to the three phase boost converter, as simulation results show the current behavior in each phase and the frequency variation along a switching cycle. It will be also shown that the switching frequency variation is negligible. Fig. 1 Three phase boost converter
The acceptance and deployment of electric power from sustainable sources, which are less polluting than fossils, have been a consensus throughout society. Specially, the growth of the installed capacity in photovoltaic energy has been considerable in distributed generation. In order to properly take advantage of this growing demand, it is necessary to adopt appropriate measures and procedures to improve the operation and performance of photovoltaic systems. The purpose of this work is to present such measures and procedures, under quantitative and qualitative analysis, using scientific methodologies and tools. In the end, a set of procedures was obtained that analyzes functional and structural aspects of small grid-connected photovoltaic systems. Its validation was carried out in a case study of photovoltaic system of the Department of Electrical Engineering
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