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115777POWER SYSTEM EVENTS25/03/2024 09:27:07 AM
Non-credible contingency event - SA region - 25/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 25/03/2024
At 0810 hrs there was an unplanned outage of the following elemets:
Davenport - Brinkworth 275 kV line
Brinkworth No 3 275/132 kV transformer
Brinkworth - Templers West 275 kV line
AEMO did not instruct load shedding.
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.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 25/03/2024
At 0810 hrs there was an unplanned outage of the following elemets:
Davenport - Brinkworth 275 kV line
Brinkworth No 3 275/132 kV transformer
Brinkworth - Templers West 275 kV line
AEMO did not instruct load shedding.
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.
Manager NEM Real Time Operations
115775INTER-REGIONAL TRANSFER25/03/2024 06:49:58 AM
Inter-regional transfer limit variation - Armidale - Uralla 8U 330 kV line - NSW region - 25/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Armidale - Uralla 8U 330 kV line - NSW region - 25/03/2024
A planned outage of Armidale - Uralla 8U 330 kV line in the NSW region was scheduled from 0500 hrs 25/03/2024 to 1500 hrs 25/03/2024.
The outage has been returned to service at 0645 hrs 25/03/2024.
Constraint set(s) revoked:
N-ARUL_8U
N-TW_SVC
N-X_8U+DM+TW_SVC
N-MORBOR
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Armidale - Uralla 8U 330 kV line - NSW region - 25/03/2024
A planned outage of Armidale - Uralla 8U 330 kV line in the NSW region was scheduled from 0500 hrs 25/03/2024 to 1500 hrs 25/03/2024.
The outage has been returned to service at 0645 hrs 25/03/2024.
Constraint set(s) revoked:
N-ARUL_8U
N-TW_SVC
N-X_8U+DM+TW_SVC
N-MORBOR
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115772INTER-REGIONAL TRANSFER24/03/2024 04:47:46 PM
Inter-Regional Transfer limit variation - Directlink - NSW Region
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 cable of Directlink.
The following constraint set was invoked at 1640 hrs 24/03/2024
N-MBTE_1
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 3 cable of Directlink.
The following constraint set was invoked at 1640 hrs 24/03/2024
N-MBTE_1
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
115771POWER SYSTEM EVENTS24/03/2024 04:39:39 PM
Update - Non-credible contingency event - SA region - 14/03/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 14/03/2024
Refer AEMO Electricity Market Notice 115624
At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus was returned to service.
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - SA region - 14/03/2024
Refer AEMO Electricity Market Notice 115624
At 1635 hrs the Tungkillo - Robertstown No. 1 275 kV Line and the Tungkillo East 275 kV Bus was returned to service.
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.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
115723INTER-REGIONAL TRANSFER20/03/2024 05:25:36 PM
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.
The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220
This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Palmerston - Hadspen No2 220 kV Line - TAS region - 20/03/2024
At 1830 hrs 20/03/2024 there will be a short notice outage of Palmerston - Hadspen No2 220 kV Line.
The following constraint set invoked at 1830 hrs 20/03/2024
T-HAPM_220
This constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115671INTER-REGIONAL TRANSFER17/03/2024 04:56:22 PM
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 17/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 17/03/2024
A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 17/03/2024 to 1900 hrs 17/03/2024.
The outage has been completed and returned to service at 1655 hrs 17/03/2024.
Constraint set(s) revoked:
I-BURC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 17/03/2024
A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 17/03/2024 to 1900 hrs 17/03/2024.
The outage has been completed and returned to service at 1655 hrs 17/03/2024.
Constraint set(s) revoked:
I-BURC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115663INTER-REGIONAL TRANSFER16/03/2024 05:12:33 PM
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024
A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 16/03/2024 to 1900 hrs 16/03/2024.
The outage has been completed and returned to service at 1655 hrs 16/03/2024.
Constraint set(s) revoked:
I-BURC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Red Cliffs - Buronga 0X1 220 kV Line - Vic region - 16/03/2024
A planned outage of Red Cliffs - Buronga 0X1 220 kV Line in the Vic region was scheduled from 0500 hrs 16/03/2024 to 1900 hrs 16/03/2024.
The outage has been completed and returned to service at 1655 hrs 16/03/2024.
Constraint set(s) revoked:
I-BURC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
115652INTER-REGIONAL TRANSFER15/03/2024 02:52:51 PM
Inter-Regional Transfer limit variation - Murraylink
AEMO ELECTRICITY MARKET NOTICE
Inter-Regional Transfer limit variation - Murraylink
There has been an unplanned outage of the Murraylink interconnector.
The following constraint set was invoked at 1445 hrs 15/03/2024
I-ML_ZERO
The constraint set contains the following interconnector on the left hand side.
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Murraylink
There has been an unplanned outage of the Murraylink interconnector.
The following constraint set was invoked at 1445 hrs 15/03/2024
I-ML_ZERO
The constraint set contains the following interconnector on the left hand side.
V-S-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
115627INTER-REGIONAL TRANSFER15/03/2024 06:31:39 AM
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
At 0600 hrs 15/03/2024 there was a short notice outage of Robertstown - Tungkillo No. 2 275 kV Line.
At 0615 hrs 15/03/2024 there was a short notice outage of Tungkillo - Para No. 1 275 kV Line.
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked the following automated constraint sets.
CA_SYDS_5505DC4C from 06:00 hrs until further notice
These constraint sets contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 15/03/2024
At 0600 hrs 15/03/2024 there was a short notice outage of Robertstown - Tungkillo No. 2 275 kV Line.
At 0615 hrs 15/03/2024 there was a short notice outage of Tungkillo - Para No. 1 275 kV Line.
In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked the following automated constraint sets.
CA_SYDS_5505DC4C from 06:00 hrs until further notice
These constraint sets contains equations with the following interconnector on the LHS;
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations