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53440INTER-REGIONAL TRANSFER20/05/2016 05:49:54 AM
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 May 2016
Refer to Market Notice 53436
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.
Constraint V-DSA_STAB-100 revoked at 0550 hrs
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 May 2016
Refer to Market Notice 53436
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.
Constraint V-DSA_STAB-100 revoked at 0550 hrs
Manager NEM Real Time Operations
53439INTER-REGIONAL TRANSFER20/05/2016 05:33:29 AM
Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control
AEMO ELECTRICITY MARKET NOTICE
Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016
Refer Market Notice 53435
The Tarong to South Pine (832) 275kV Line has been returned to service.
The following constraint set was revoked at 0535 hrs..
Q-TRSP_832
The constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016
Refer Market Notice 53435
The Tarong to South Pine (832) 275kV Line has been returned to service.
The following constraint set was revoked at 0535 hrs..
Q-TRSP_832
The constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
53438INTER-REGIONAL TRANSFER20/05/2016 05:03:03 AM
Cancellation - Inter-regional Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control
AEMO ELECTRICITY MARKET NOTICE
Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - Monday, 16 May 2016
Refer to Market Notice 53437
The Greenbank to Middle Ridge (8849) 275kV Line was returned to service.
The following constraint set was revoked at 0505 hrs.
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 - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - Monday, 16 May 2016
Refer to Market Notice 53437
The Greenbank to Middle Ridge (8849) 275kV Line was returned to service.
The following constraint set was revoked at 0505 hrs.
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
53437INTER-REGIONAL TRANSFER20/05/2016 02:25:37 AM
Inter-regional Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - 20 May 2016
The Greenbank to Middle Ridge (8849) 275kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0225 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
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - 20 May 2016
The Greenbank to Middle Ridge (8849) 275kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0225 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
53436INTER-REGIONAL TRANSFER20/05/2016 02:15:07 AM
Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 May 2016
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 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 have been invoked to apply offset reductions to the Victoria transient stability export limit.
Constraint V-DSA_STAB-050 invoked from 0215 hrs until further notice
Constraints have the following interconnectors on the LHS
NSW1-QLD1
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
Inter-regional transfer limit variation for Transient Stability Limit - Vic Region - 20 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 have been invoked to apply offset reductions to the Victoria transient stability export limit.
Constraint V-DSA_STAB-050 invoked from 0215 hrs until further notice
Constraints have the following interconnectors on the LHS
NSW1-QLD1
T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1
Manager NEM Real Time Operations
53435INTER-REGIONAL TRANSFER20/05/2016 01:15:07 AM
Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016
The Tarong to South Pine (832) 275kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0115 hrs until further notice.
Q-TRSP_832
The constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 20 May 2016
The Tarong to South Pine (832) 275kV Line has been de-energised to manage voltages in the Qld region.
The following constraint set was invoked at 0115 hrs until further notice.
Q-TRSP_832
The constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Manager NEM Real Time Operations
53434NON-CONFORMANCE20/05/2016 12:25:11 AM
NON-CONFORMANCE Region NSW1 Friday, 20 May 2016
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Friday, 20 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: MP1
Duration: 20/05/2016 00:20 to 20/05/2016 00:25
Amount: -59 MW
Constraint: NC-N_MP1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Friday, 20 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: MP1
Duration: 20/05/2016 00:20 to 20/05/2016 00:25
Amount: -59 MW
Constraint: NC-N_MP1
Auto-generated on behalf of Manager NEM Real Time Operations
53433RECLASSIFY CONTINGENCY19/05/2016 11:10:02 PM
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53432
There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2310 hrs.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53432
There is no longer any lightning activity in the vicinity of the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2310 hrs.
Manager NEM Real Time Operations
53432RECLASSIFY CONTINGENCY19/05/2016 10:10:05 PM
Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2210 hrs 19/05/16 until further notice.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Farrell - John Butters 220 kV Line and the Farrell - Rosebery Tee Queenstown - Newton 110 kV Line.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2210 hrs 19/05/16 until further notice.
Manager NEM Real Time Operations