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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2024

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DC power supply with parallel active compensation function and tuneable inductive filter based on analogue control: Part 1

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Gwóźdź M. , Ciepliński Ł.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2024

tom Vol. 72, nr 1

art. no. e148839

In this paper, a DC power supply is presented that, in addition to a power factor correction, is equipped with an active power filter function. This function enables compensation of both the reactive and the distortion power, generated by an external load, which is connected to the same power line node as the presented device. A tuneable inductive filter is added at the input of the power electronics controlled current source, which constitutes the main block of the power supply. This filter allows for a visible improvement in the quality of the current source control, compared to a similar device with a fixed inductive filter. This improvement depends on extending the “frequency response” of the current source, which facilitates an increase in the dynamics of changes in the input current of the power supply. The actual modification to the presented device is related to its control section, which is equipped with analogue regulators. The main purpose of this work is to present the results from a simulation model of an electrical system with a power supply, especially compared to those from a similar device but with a discrete control. The work represents a continuation of a research cycle on DC power supplies that are equipped with a power compensation function and are based on tuneable magnetic devices.