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Effects and analysis of minimum pulse width limitation on adaptive DC voltage control of grid converters

Bo Sun, Ionut Trintis, Stig Munk-Nielsen, Josep M. Guerrero
2016 2016 IEEE Applied Power Electronics Conference and Exposition (APEC)  

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This paper presents an adaptive dc-link voltage controller for the purpose of decreasing the operating dc-link voltage in a back-to-back converter system. An outer loop to control the maximum modulation (Mmax) index is added to the conventional dc-link voltage controller, and hence the system can online adapt its dc-link voltage reference based on the system operating state. Furthermore, the relationship between current THD, minimum pulse width limitation and Mmax index reference is analyzed in
more » ... order to obtain an optimized performance of the system. Finally, the dynamic performance and analysis of controller is investigated by experimental results. Keywords-dc/ac converter; dc voltage adaptive control; Minimum Pulse Width Limitation I.
doi:10.1109/apec.2016.7468047 fatcat:sbvbcwzkefeg5paynjfxs5wp4i
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Bo Sun, Ionut Trintis, Stig Munk-Nielsen, Josep M. Guerrero. "Effects and analysis of minimum pulse width limitation on adaptive DC voltage control of grid converters." 2016 IEEE Applied Power Electronics Conference and Exposition (APEC) (2016)