PSS Studies

Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP

Peak and trough cases ▪ Category A

Check for: • changes in MVA loading above 10 MVA and 10% • changes in voltage magnitude above 0.02 pu • branches thermal overloading • out of limit voltage <1.00 pu and >1.05 pu ▪ Transmission network (>132 kV)

▪ There are expected pre-disturbance MVA loading differences observed: • 132 kV network around the SHEP PCC

▪ No pre-disturbance voltage magnitude difference above 0.02 pu due to SHEP

▪ No pre-disturbance overloading issue due to SHEP

▪ No pre-disturbance out of limit voltage issue due to the SHEP

▪ Comply to the pre-disturbance loading and voltage limit

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