PSS Studies

Test 1c and 3 – Post-disturbance loading and voltage limits with combined SHEP (90 MW)  CatB – Available capacity ▪ Available capacity on lines surrounding SHEP following worst contingencies ▪ Observed to have sufficient margin in both peak and trough case ▪ Peak with SHEP <------- F R O M -------> <--------- T O --------->CKT CONTINGENCY OTHERS BASE MAXIMUM IMPACT RATING PERCENT AVAILABLE 97141 SGMT132 132.00 97150 JMTH132 132.00 1 SINGLE 13 0 100.3 183.0 183.0 282.0 64.9 99. 0 97128 TKAK132 132.00 97150 JMTH132 132.00 1 SINGLE 14 0 85.8 181.8 181.8 282.0 64.5 100.2 97182 BSPT132 132.00 297174 BKPG-T2 132.00 2 SINGLE 16 0 78.3 108.1 108.1 234.0 46.2 125.9 96138 BAHA132 132.00 96151 NSCI132 132.00 2 SINGLE 6 0 6.5 13.1 13.1 141.0 9.3 127. 9 96138 BAHA132 132.00 96151 NSCI132 132.00 1 SINGLE 7 0 6.5 13.1 13.1 141.0 9.3 127. 9 97141 SGMT132 132.00 197174 BKPG-T 132.00 1 SINGLE 17 0 41.4 91.8 91.8 234.0 39.2 142.2 96140 GMAS132 132.00 97141 SGMT132 132.00 1 SINGLE 8 0 95.7 123.0 123.0 282.0 43.6 159. 0 97141 SGMT132 132.00 97182 BSPT132 132.00 2 SINGLE 16 0 39.9 69.2 69.2 234.0 29.6 164. 8 96405 MCOP132 132.00 97128 TKAK132 132.00 1 SINGLE 1 0 45.8 103.2 103.2 282.0 36.6 178. 8 96105 AKRH132 132.00 96405 MCOP132 132.00 1 SINGLE 10 0 59.2 102.9 102.9 282.0 36.5 179. 1 96136 PBSR132 132.00 96140 GMAS132 132.00 1 SINGLE 8 0 73.5 100.9 100.9 282.0 35.8 181. 1 96138 BAHA132 132.00 97141 SGMT132 132.00 1 SINGLE 9 0 68.2 99.5 99.5 282.0 35.3 182.5 96136 PBSR132 132.00 96137 KPLH132 132.00 1 SINGLE 8 0 55.5 82.7 82.7 282.0 29.3 199. 3 97128 TKAK132 132.00 97141 SGMT132 132.00 2 SINGLE 14 0 8.1 64.3 64.3 282.0 22.8 217. 7 96137 KPLH132 132.00 96138 BAHA132 132.00 1 SINGLE 8 0 14.6 53.8 53.8 282.0 19.1 228. 2 97117 TKID132 132.00 97128 TKAK132 132.00 1 SINGLE 10 0 14.0 37.9 37.9 282.0 13.4 244. 1 96109 JSIN132 132.00 97117 TKID132 132.00 1 SINGLE 1 0 9.1 36.2 36.2 282.0 12.8 245. 8

CONTINGENCY LEGEND: LABEL EVENTS

SINGLE 1 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 SINGLE 6 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 1 SINGLE 7 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 2 SINGLE 8 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 9 : OPEN LINE FROM BUS 96140 [GMAS132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 10 : OPEN LINE FROM BUS 96405 [MCOP132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 SINGLE 13 : OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 14 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 16 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 197174 [BKPG-T 132.00] CKT 1 SINGLE 17 : OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2

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