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Interregional Transfer Limit variation, South Australia Region Wednesday 25 May 2016
Interregional Transfer Limit Variation, South Australia Region Wednesday 25 May 2016
At 1458hrs, the Canowie to Robertstown 275kV transmission line in the South Australia region tripped. .There was a prior planned outage of the Davenport to Canowie 275kV transmission line.
The following constraint sets are now invoked for these outages
S-X_DVCV+CNRB+RBCB
S-CNHL_HAL
The outage constraints contain equations with the following interconnector on the LHS
V-S-MNSP1
See the AEMO NOS for further information
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 1305 hrs.
Constraint V-DSA_STAB-050
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
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-050 invoked from 1145 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
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 0715hrs.
Constraint V-DSA_STAB-050
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
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-050 invoked from 0635 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
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraints sets have been invoked to apply offset reductions to the Victoria transient stability export limit.
Constraint V-DSA_STAB-100 invoked from 0205 hrs to 0325 hrs.
Constraint V-DSA_STAB-050 invoked from 0325 hrs to 0610 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 Tuesday, 24 May 2016
Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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 constraints sets have been invoked to apply offset reductions to the Victoria transient stability export limit.
Constraint V-DSA_STAB-100 invoked from 0205 hrs to 0325 hrs.
Constraint V-DSA_STAB-050 invoked from 0325 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
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016
Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-100 invoked from 0205 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
Cancellation - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.
Cancellation - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.
Refer Market Notices 53461, 53465, 53502, 53503
To maintain power system security AEMO have applied a limit of 850 MVA to the F2 transformer in NEMDE. This limit has been removed.
This restriction on use of short term ratings for the F2 Transformer in the Victoria region is cancelled from 0002 hrs Tuesday 24th May
This restriction will affect the following interconnectors.
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations