With reference to the Frequency graph supplied by ByrdJ, the the yellow, purple and red traces are the AEMO Dispatch Targets for C3, C4 and B2 Units respectively. These only change after a trader rebids the unit after it trips or when the spot price changes the target. It does not record the...
From the AEMO Preliminary Report all the Feeders into H24 Calvale opened at their remote ends at 1406hrs (ie. at Halys, Wurdong and Stanwell on Zone 2 Protection. This is what disconnected the faulted unit from the system. No CBs in H24 Calvale opened, None.
See this AEMO Preliminary Report...
