Transformers in electric power systems are of great importance, with significant effects on the distribution of electric energy. The modeling of this machine, considering the various usable connections, requires a more detailed analysis for better results. Thus, the objective of this work is to propose a three-phase transformer model including the neutral in the admittance matrices, the ground impedance, taps settings and also the magnetizing branch.
The associate editor coordinating the review of this manuscript and approving it for publication was Diego Bellan . P (loss)+ Positive sequence losses in the electrical system. P (loss)− Negative sequence losses in the electrical system. P (loss)0 Zero sequence losses in the electrical system. P( loss)h Losses due to harmonic power flow.
CUFCurrent Unbalance Factor (in %).
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