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Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Lightning is occurring near the Farrell - Sheffield 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 1215 hrs 22/07/16 until further notice.
Constraint Sets invoked:
F-T-FASH_N-2
T-FASH_N-2_HM_C
These Constraint Sets contain equations with the following interconnector on the LHS.
T-V-MNSP1
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines in Victoria due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines in Victoria due to Lightning.
Refer AEMO Electricity Market Notice 54586
There is no longer any lightning activity in the vicinity of the Eildon - Mt. Beauty 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 0900 hrs.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines in Victoria due to Lightning.
Reclassification of a Non-Credible Contingency Event: Eildon - Mt. Beauty No. 1 and No. 2 220 kV Lines in Victoria due to Lightning.
Lightning is occurring near the Eildon - Mt. Beauty 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 0740 hrs 22/07/16 until further notice.
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
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 54579
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 0510 hrs.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Liapootah - Waddamana Tee Palmerston No. 1 and No. 2 220 kV Lines in Tasmania
Cancellation of the Reclassification of a Non-Credible Contingency Event: Liapootah - Waddamana Tee Palmerston No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 54581
There is no longer any lightning activity in the vicinity of the Liapootah - Waddamana Tee - Palmerston 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 0345 hrs.
Constraint Set T-LIPM_N-2 revoked.
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 54578
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 0335 hrs.
Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Farrell - Sheffield No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Refer AEMO Electricity Market Notice 54577
There is no longer any lightning activity in the vicinity of the Farrell - Sheffield 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 0335 hrs.
Constraint Sets: F-T-FASH_N-2, F-T-FASH_N-2_HM_C and T-NIL_WCP_CLOSE revoked.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Liapootah - Waddamana Tee Palmerston No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Reclassification of a Non-Credible Contingency Event: Liapootah - Waddamana Tee Palmerston No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.
Lightning is occurring near the Liapootah - Waddamana Tee Palmerston 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 0225 hrs 22/07/16 until further notice.
Constraint Set T-LIPM_N-2 invoked.
Manager NEM Real Time Operations
Cancellation of the reclassification of a non-credible contingency event: Farrell- Reece No.1 and No.2 220 kV lines in Tasmania.
Cancellation of the reclassification of a non-credible contingency event: Farrell- Reece No.1 and No.2 220 kV lines in Tasmania.
Refer AEMO Electricity Market Notice 54576
There is no longer any lightning activity has ceased in the vicinity of 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 0225 hrs.
Constraint Sets F-T-FARE_N-2 revoked.
Manager NEM Real Time Operations