PSS Studies

Test 8 – SCR and short circuit current limit

▪ Short circuit ratio (SCR) 2024 Peak / trough: ▪ PSSE IEC 60909 method ▪ Maximum MVA with C = 1.1 and network intact ▪ Minimum fault MVA with C = 1.0 and open of JMTH132 to TKAK132 circuit

Minimum fault MVA open JMTH132 to TKAK132

Maximum fault MVA network intact

Bus

Peak

Light

Peak

Light

99999 ELQSS132

2004

1940

1178

1156

99995 ELQGEN0.4

245

244

226

225

▪ SCR between 38 and 67 at the PCC of the 30 MW SHEP ▪ SCR within acceptable range shall not be an issue for synchronous generator

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