Filter by category
Filter by Date
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature for 23, 24 and 25 January 2021
Inter-Regional Transfer limit variation - Murraylink power transfer limit reduction due to high temperature.
Murraylink power transfer limit advice has been reduced based on APA advice, consistent with the high forecast ambient temperatures in the vicinity of Murraylink (Berri and Redcliffe) for 23, 24 and 25 January 2021.
The following constraints have been invoked:
Constraint set I-SVML_180 23/1/2021 1300 - 1600 hrs
Constraint set I-VSML_180 23/1/2021 1300 - 1600 hrs
Constraint set I-SVML_160 23/1/2021 1600 - 1900 hrs
Constraint set I-VSML_160 23/1/2021 1600 - 1900 hrs
Constraint set I-SVML_190 23/1/2021 1900 - 2200 hrs
Constraint set I-VSML_190 23/1/2021 1900 - 2200 hrs
Constraint set I-SVML_190 24/1/2021 1100 - 1300 hrs
Constraint set I-VSML_190 24/1/2021 1100 - 1300 hrs
Constraint set I-SVML_80 24/1/2021 1300 - 1600 hrs
Constraint set I-VSML_80 24/1/2021 1300 - 1600 hrs
Constraint set I-SVML_30 24/1/2021 1600 - 1900 hrs
Constraint set I-VSML_30 24/1/2021 1600 - 1900 hrs
Constraint set I-SVML_105 24/1/2021 1900 - 2200 hrs
Constraint set I-VSML_105 24/1/2021 1900 - 2200 hrs
Constraint set I-SVML_145 25/1/2021 1100 - 1300 hrs
Constraint set I-VSML_145 25/1/2021 1100 - 1300 hrs
Constraint set I-SVML_80 25/1/2021 1300 - 1900 hrs
Constraint set I-VSML_80 25/1/2021 1300 - 1900 hrs
Constraint set I-SVML_190 25/1/2021 1900 - 2200 hrs
Constraint set I-VSML_190 25/1/2021 1900 - 2200 hrs
These constraints will be continually reviewed and adjusted as necessary.
Operations Planning
Cancellation - Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
Cancellation - Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
Refer AEMO Electricity Market Notice 82226
The Chapel St to Gordon No 2 220 kV Line has been returned to service.
The following constraint sets were revoked at 1740 hrs 18/01/2021
Constraint set(s) invoked: T-CSGO and F-T-CSGO
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2020
Inter-regional transfer limit variation - Chapel St to Gordon No 2 220 kV Line - TAS region - 18/01/2021
At 1717 hrs 18/01/2021 there was an unplanned outage of Chapel St to Gordon No 2 220 kV Line.
Constraint set(s) invoked: T-CSGO and F-T-CSGO
This constraint set(s) 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
Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control
Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control
Refer AEMO Electricity Market Notice 82197
The Hazelwood - South Morang No.2 500 kV Line has been returned to service.
The following constraint set was revoked from 0450 hrs 18/01/2021
V-HWSM
The constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation Greenbank SVC (QLD)
Inter-Regional Transfer limit variation Greenbank SVC (QLD)
At 1503 hrs there was an unplanned outage of the Greenbank SVC in the Queensland region.
Constraint set Q-GB_VC invoked from 1510 hrs 17/01/2020 until further notice.
This constraint set contains equations with the following interconnectors on the LHS.
NSW1-QLD1
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation: Hazelwood - South Morang No 2 500 kV Line (VIC) - Voltage Control
The Hazelwood - South Morang No 2 500 kV Line has been de-energised to manage voltages in the Victoria region.
The following constraint set was invoked at 1110 hrs 17/01/2021
V-HWSM
The constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
Inter-regional transfer limit variation - constraint to manage Power System Security - Murraylink - 15/01/2021
Inter-regional transfer limit variation - constraint to manage Power System Security - Murraylink - 15/01/2021
In order to maintain the power system in a secure operating state, AEMO has invoked constraint set I-VSML_000 from 0320 hrs until further notice.
This constraint set contains equations with the following interconnector on the LHS;
V-S-MNSP1
Manager NEM Real Time Operations
Cancellation Inter-Regional Transfer limit variation - Basslink - 12/01/2021
Cancellation Inter-Regional Transfer limit variation - Basslink
Refer AEMO Electricity Market Notice 82082
The following constraint set was revoked at 0840 hrs 12/01/2021
I-BL_ZERO
The constraint set contains the following interconnector on the left hand side.
T-V-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Basslink - 12/01/2021
Inter-Regional Transfer limit variation - Basslink
There has been an unplanned outage of the Basslink interconnector.
The following constraint set was invoked at 0820 hrs 12/01/2021
I-BL_ZERO
The constraint set contains the following interconnector on the left hand side.
T-V-MNSP1
Manager NEM Real Time Operations