Analysis and design of a PWM chopper-on/off control via a second order filter

This paper presents the analysis of a nonlinear on/off control system including a filter of a second order in the closed loop. The proposed system is capable of generating a pulse width modulation which is used to design and built up a PWM (Pulse Width Modulation) chopper dedicated to regulate fluct...

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Veröffentlicht in:World journal of engineering 2014-06, Vol.11 (2), p.181-186
Hauptverfasser: Zaatri, Abdelouahab, Belhour, Souad
Format: Artikel
Sprache:eng
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Zusammenfassung:This paper presents the analysis of a nonlinear on/off control system including a filter of a second order in the closed loop. The proposed system is capable of generating a pulse width modulation which is used to design and built up a PWM (Pulse Width Modulation) chopper dedicated to regulate fluctuating power supplies such as photovoltaic, wind turbine systems; etc. The use of the second order filter aims to compensate the output against the fluctuations of irradiation as well as the variation of the load. The study essentially focuses on determining the relationship between the pulse durations with respect to system parameters and technological requirements. The theoretical study is followed by a simulation of a DC-DC chopper.
ISSN:1708-5284
DOI:10.1260/1708-5284.11.2.181