Simulation of Inter-turn Short-Circuit Faults in Transformer Windings
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Resource Overview
This simulation models inter-turn short-circuit faults in three-phase transformers, covering three-phase, single-phase, two-phase, and two-phase-to-ground short-circuit scenarios, with implementation of current waveform analysis for fault diagnosis.
Detailed Documentation
The simulation of inter-turn short-circuit faults in transformer windings serves as a critical tool for predicting and analyzing transformer behavior under various fault conditions. Through mathematical modeling of transformer electromagnetic characteristics and circuit implementation using software like MATLAB/Simulink, the simulation accurately replicates three-phase short circuits, single-phase short circuits, two-phase short circuits, and two-phase short circuits to ground. The core algorithm involves solving differential equations for winding currents and magnetic fluxes, while incorporating fault impedance parameters to generate realistic short-circuit current waveforms. This approach enables detailed analysis of transient current characteristics, harmonic distortions, and fault severity assessment, providing valuable insights for transformer protection system design and maintenance strategy optimization.
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