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Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016
Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016
Refer AEMO Electricity Market Notice 53629
The Greenbank to Middle Ridge (8848) 275 kV Line has been returned to service.
Constraint set Q-MRGB_8848_8849 revoked at XXXX hrs.
The constraint set contains equations with the following interconnectors on the LHS:
NSW1-QLD1
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016
The Greenbank to Middle Ridge (8848) 275 kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0125 hrs until further notice.
Q-MRGB_8848_8849
The constraint set contains equations with the following interconnectors on the LHS:
NSW1-QLD1
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 5 June 2016
Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 5 June 2016
Refer AEMO Electricity Market Notice 53620
The Greenbank to Middle Ridge (8848) 275 kV Line has been returned to service.
Constraint set Q-MRGB_8848_8849 revoked at 0550 hrs.
The constraint set contains equations with the following interconnectors on the LHS:
NSW-QLD1
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control - 5 June 2016
The Greenbank to Middle Ridge (8848) 275kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0155 hrs until further notice.
Q-MRGB_8848_8849
The constraint set contains equations with the following interconnectors on the LHS.
NSW-QLD1
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation - Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016
Cancellation - Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016
Refer to MN 53602
An unplanned outage of the No 2 Leg of Directlink returned to service at 1755 hrs
Constraint set N-X_MBTE_1 revoked
The outage constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016
Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016
An unplanned outage of the No 2 Leg of Directlink occurred at 1717 hrs
See AEMO Network Outage Scheduler (NOS) for details and return to service times.
Constraint set N-X_MBTE_1 invoked from 1730 hrs.
The outage constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
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
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016
The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.
Constraint V-DSA_STAB-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 hrs to 0600 hrs
Constraints have the following interconnectors on the LHS
NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016
Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016
The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.
Constraint V-DSA_STAB-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 hrs until further notice.
Constraints have the following interconnectors on the LHS
NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1
Manager NEM Real Time Operations