Power System Analysis Lecture Notes Ppt Apr 2026

Fault clears at angle ( \delta_c ). System stable if area ( A_1 ) (accelerating) = area ( A_2 ) (decelerating).

[ \textpu value = \frac\textActual value\textBase value ] power system analysis lecture notes ppt

| Fault type | Connection at fault point | |------------|---------------------------| | Single line-to-ground (SLG) | Z1, Z2, Z0 in series | | Line-to-line (L-L) | Z1, Z2 in parallel | | Double line-to-ground (DLG) | Z1 in series with (Z2∥Z0) | Fault clears at angle ( \delta_c )

[ I_a1 = \fracV_fZ_1 + Z_2 + Z_0 + 3Z_f ] [ I_f = 3I_a1 ] power system analysis lecture notes ppt