Application of a Tuned Inductor in a DC Power Supply with an Active Compensation Function

Łukasz Ciepliński (), Michał Gwóźdź and Rafał M. Wojciechowski
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Łukasz Ciepliński: Faculty of Control, Robotics and Electrical Engineering, Poznań University of Technology, Piotrowo 3A Street, 60-965 Poznań, Poland
Michał Gwóźdź: Faculty of Control, Robotics and Electrical Engineering, Poznań University of Technology, Piotrowo 3A Street, 60-965 Poznań, Poland
Rafał M. Wojciechowski: Faculty of Control, Robotics and Electrical Engineering, Poznań University of Technology, Piotrowo 3A Street, 60-965 Poznań, Poland

Energies, 2022, vol. 15, issue 17, 1-15

Abstract: This work focuses on the use of a one-phase direct current (DC) power supply equipped with a shunt active filter feature, which enabled the possibility of compensation (minimisation) of reactive and distortion power, generated by a group of loads, that was connected to the same power grid node as the power supply. A tuned inductor, which was included at the input of the controlled current source (constituting the main part of the power supply) allowed for an improvement in the quality of the compensation process, compared to a device with a fixed inductive filter This resulted in a visible reduction of the nonlinear distortions of the grid current. The improvement was made possible by extending the frequency response of the current source, which allowed to increase the dynamics of the current changes at the input of the power supply. This solution represents a new approach to such power devices. This work describes the principle of operation of the proposed converter solution and presents selected test results for a laboratory model of an electric system with this device.

Keywords: converter control; tuned inductive filter; reactive power; distortion power; parallel active filter (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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