Figure 2.
An equivalent circuit schematic detailed for modeling inter-turn short-circuits across a three-phase system (A, B, C). It depicts three horizontal parallel line structures, one for each phase. Each phase contains series and parallel combinations of inductors and resistors. Dedicated fault sections within each phase incorporate parallel resistors for short-circuit modeling. A dense web of multi-colored dotted lines connects nodes across all three phases, representing all complex mutual linkages.The circuit diagram presents 3 horizontal phase branches labelled L Phase A, L Phase B, and L Phase C. Each branch includes an inductor, a resistor, winding points, and end resistors. Phase A includes R A, L A F 1, R A F, L A S, R A S, L A F 2, and R A F 2. Phase B includes R B, L B F 1, R B F, L B S, R B S, L B F 2, and R B F 2. Phase C includes R C, L C F 1, R C F, L C S, R C S, L C F 2, and R C F 2. Three upper return paths contain R R S A 2, R R S B 2, and R R S C 2. Multiple dashed mutual links connect the A, B, and C winding points across the diagram.

Equivalent circuit model representing inter-turn short-circuit

Source: Authors’ own work

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