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NON-CONFORMANCE Region QLD1 Tuesday, 31 May 2016
NON-CONFORMANCE QLD1 Region Tuesday, 31 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: BRAEMAR1
Duration: 31/05/2016 07:15 to 31/05/2016 07:45
Amount: -13 MW
Constraint: NC-Q_BRAEMAR1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region VIC1 Tuesday, 31 May 2016
NON-CONFORMANCE VIC1 Region Tuesday, 31 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: HWPS3
Duration: 31/05/2016 00:45 to 31/05/2016 00:50
Amount: 10 MW
Constraint: NC-V_HWPS3
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation - Non-credible contingency event - Victoria region - Monday, 30 May 2016
Cancellation Non-credible contingency event - Victoria region - Monday, 30 May 2016
Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.
Jeeralang No 2 220 kV Busbar returned to service at 1425 hrs.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
The following constraint sets have been revoked at 1430 hrs
V-JL_BUS 2 and CA_SPS_465E4858
Manager NEM Real Time Operations
Non-credible contingency event - Victoria region - Monday, 30 May 2016
Non-credible contingency event - Victoria region - Monday, 30 May 2016
Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
To manage power system security for this event the following constraint sets have been invoked.
V-JL_BUS 2 and CA_SPS_465E4858
Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Monday, 30 May 2016
NON-CONFORMANCE NSW1 Region Monday, 30 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: SITHE01
Duration: 30/05/2016 06:30 to 30/05/2016 08:45
Amount: 23 MW
Constraint: NC-N_SITHE01
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Refer to AEMO Electricity Market Notice no. 53562
There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0345 hrs 30/05/2016.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0120 hrs 30/05/2016 until further notice.
Manager NEM Real Time Operations
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
The Forecast LOR1 condition in the NSW Region advised in AEMO Electricity Market Notice No. 53559 is cancelled at 1345 hrs 29 May 2016.
Manager NEM Real Time Operations
Inter-regional transfer limit variation Terranora- 29 May 2016
Inter-regional transfer limit variation Terranora- 29 May 2016
A short notice outage of Mudgeeraba Terranora 757 110 kV line in the QLD region has commenced at 1315 hrs.
The following constraints are invoked for this outage
I-MUTE_757
The outage constraints contain the following interconnectors on the LHS
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations