Coil Shorting Simulation in the Windings of a Triple-Phase Three-Winding Transformer

Coil Shorting Simulation in the Windings of a Triple-Phase Three-Winding Transformer

A mathematical model is proposed that allows simulating the currents in the transformer windings during turn shorting when the supply voltage is unbalanced in any load mode. The results of simulation of currents in windings and shorted coils depending on their number in the primary winding in the id...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Russian electrical engineering 2020-12, Vol.91 (12), p.737-741
Hauptverfasser: Novozhilov, A. N., Kolesnikov, E. N., Novozhilov, T. A.
Format: Artikel
Sprache:eng
Schlagworte:
Adequacy
Coils (windings)
Engineering
Machines
Manufacturing
Mathematical models
Phase transitions
Processes
Simulation
Transformers
Winding
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A mathematical model is proposed that allows simulating the currents in the transformer windings during turn shorting when the supply voltage is unbalanced in any load mode. The results of simulation of currents in windings and shorted coils depending on their number in the primary winding in the idle and load modes are presented. Verification of the adequacy of the model by comparing the results of calculation and experiment for the TT-6 transformer showed that the error in simulated currents when shorting a small number of turns does not exceed 10% and meets the requirements of relay protection.
ISSN:1068-3712
1934-8010
DOI:10.3103/S1068371220120111