Przegląd Elektrotechniczny
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Oldest magazine of Polish electrician. It appears since 1919.

strona w języku polskim english page



No/VOL: 09/2022 Page no. 67

Authors: Bartłomiej Stefańczak , Dariusz Zieliński :

Title: The problem of the influence of phase current asymmetry and the direction of energy flow on the idle current of a transformer in star-delta winding configuration

Abstract: The paper presents the problem of the influence of phase current asymmetry and the direction of energy flow on the idle current of a transformer in star-delta winding configuration. The proposed method of solving the problem is based on the parallel connection to the LV network of an AC/DC converter with energy storage, which has the ability to independently control the active and reactive power in each phase. The conducted tests showed the validity of the proposed solution.

Key words: Four-leg AC / DC converter, Power symmetrization in the low-voltage network, independent power control in each phase, AC / DC converter, electricity storage.

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