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Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53328
There is no longer any lightning activity has ceased in the vicinity of the the Farrell - Reece No. 1 and No. 2 220 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2150 hrs.
Constraint Sets F-T-FARE_N-2 revoked.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53327
There is no longer any lightning activity in the vicinity of the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2150 hrs.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 53326
There is no longer any lightning activity in the vicinity of the Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 2150 hrs.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Lightning is occurring near the Farrell- Reece No. 1 and No. 2 220 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 2100 hrs 16 May 2016 until further notice.
Constraint Set F-T-FARE_N-2 invoked.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 110 kV Line in Tasmania due to Lightning.
Lightning is occurring near the Norwood - Scottsdale - Derby 110 kV Line and Norwood - Scottsdale 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 1955 hrs 16 May 2016 until further notice.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines in Tasmania due to Lightning.
Lightning is occurring near the Burnie - Sheffield No.2 110 kV and Sheffield - Paloona - Ulverstone 110 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 1910hrs 16 May 2016 until further notice.
Manager NEM Real Time Operations
Cancellation - Inter-regional Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control
Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8849) 275kV Line (Qld) - Voltage Control - Monday, 16 May 2016
Refer to MN 53307
The Greenbank to Middle Ridge (8849) 275kV Line was returned to service.
The following constraint set was revoked at 0530 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 - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control
Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - Monday, 16 May 2016
Refer MN 53308
The Tarong to South Pine (832) 275kV Line has been returned to service.
The following constraint set was revoked at 0520 hrs..
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
Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - Monday, 16 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 0120 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