Differential flatness-based control of current/voltage stabilization for a single-phase PFC with multiphase interleaved boost converters
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Author list: Mungporn P., Thounthong P., Sikkabut S., Yodwong B., Ekkaravarodome C., Kumam P., Junkhiaw S.T., Bizon N., Nahid-Mobarakeh B., Pierfederici S.
Publisher: Hindawi
Publication year: 2018
Start page: 124
End page: 130
Number of pages: 7
ISBN: 9781538620854
ISSN: 0146-9428
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
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Abstract
This paper presents an original control law for a single-phase PFC with multiphase interleaved boost converter for high power applications. This kind of system is a nonlinear behavior. Classically, to control the current and voltage in the converter, a linearized technique is often used to study the stability and to select the controller parameters of the nonlinear converter. In this paper, a nonlinear-control algorithm based on the diffential flatness approach is proposed. Utilizing the flatness theory, we propose simple solutions to the system performance and stabilization problems. To authenticate the proposed method, a prototype single-phase PFC with two-boost converters (1-kW, 360-Vdc is realized in the renewable energy research centre. The proposed control law is implemented by digital estimation in a dSPACE 1104 controller card. Experimental results in the laboratory validate the exceptional control structure. ฉ 2017 IEEE.
Keywords
Flatness control, Non-linear, Power factor correction (PFC), Pulse width modulation (PWM), Voltage control
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