Modeling, Analysis, and Control Design of a Single-Stage Boost Inverter

Md. Rasheduzzaman, Poria Fajri, Jonathan Kimball and Brad Deken
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Md. Rasheduzzaman: Department of Engineering and Technology, Southeast Missouri State University, Cape Girardeau, MO 63701, USA
Poria Fajri: Department of Electrical & Biomedical Engineering, University of Nevada, Reno, NV 89557, USA
Jonathan Kimball: Department of Electrical & Computer Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
Brad Deken: Department of Engineering and Technology, Southeast Missouri State University, Cape Girardeau, MO 63701, USA

Energies, 2021, vol. 14, issue 14, 1-29

Abstract: A single-phase, single-stage, differential boost inverter comprises two independently-controlled boost DC-DC converters, with the load connected between their outputs. The net voltage on the load is sinusoidal and has a controllable frequency and magnitude that is larger than that of the DC source. The present work first derives steady-state and small-signal models of the inverter with parasitic elements. The results obtained from the line-to-output transfer function, control-to-output transfer function, open-loop input impedance, and open-loop output impedance models are compared with that of the ones obtained from the experimental testbed. Using the new models, a voltage mode controller is designed in the synchronous reference frame. The regulator design is explored through the use of an example. The results are verified against the small-signal model, then PLECS simulations, and finally a laboratory experiment. The results indicate excellent agreement between the model and experiment during transients in voltage reference, input source voltage, and output load. A sensitivity analysis is performed based on the inverter model considering the parameter variation. Finally, loss and efficiency estimations are provided in this work.

Keywords: boost inverter; synchronous reference frame; small-signal model; voltage mode controller (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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