Market Notices

53401INTER-REGIONAL TRANSFER18/05/2016 05:14:33 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 - 18 May 2016

Refer MN 53400

The Tarong to South Pine (832) 275kV Line has been returned to service.

The following constraint set was revoked at 0540 hrs..

Q-TRSP_832

The constraint set contains equations with the following interconnectors on the LHS.

N-Q-MNSP1


Manager NEM Real Time Operations
53400INTER-REGIONAL TRANSFER18/05/2016 03:03:57 AM

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 18 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - 18 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 0310 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
53399INTER-REGIONAL TRANSFER17/05/2016 02:57:25 PM

Inter-Regional Transfer Limit Variation - Directlink - NSW Region 17 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer Limit Variation - Directlink - NSW Region - 17 May 2016

The planned outage of the DC2 pole of Directlink was scheduled to complete at 1700 hrs 18/05/16.

The outage has completed early

The following constraint set for this outage was revoked at 1455 hrs.
N-X_MBTE_2

The constraint set contains the following interconnector on the left hand side:
N-Q-MNSP1

See AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
53383RECLASSIFY CONTINGENCY17/05/2016 05:43:40 AM

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.

AEMO ELECTRICITY MARKET NOTICE

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 53332

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 0535hrs.


Manager NEM Real Time Operations
53382RECLASSIFY CONTINGENCY17/05/2016 05:40:33 AM

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.

AEMO ELECTRICITY MARKET NOTICE

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 53334

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 0535 hrs.


Manager NEM Real Time Operations
53379RECLASSIFY CONTINGENCY17/05/2016 05:37:39 AM

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.

AEMO ELECTRICITY MARKET NOTICE

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 53337

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 0535hrs.

Constraint Sets F-T-FARE_N-2 revoked.


Manager NEM Real Time Operations
53358RECLASSIFY CONTINGENCY17/05/2016 03:00:07 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No.5 & No.6 220 kV Lines in Victoria due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Rowville - Yallourn No.5 & No.6 220 kV Lines in Victoria due to Lightning.

Refer AEMO Electricity Market Notice 53335

There is no longer any lightning activity in the vicinity of the Rowville - Yallourn No.5 & No.6 220 kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0300 hrs.

Constraint Set

V-ROYP56_R_N-2 revoked.


Manager NEM Real Time Operations
53343RECLASSIFY CONTINGENCY17/05/2016 12:34:21 AM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

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 0035hrs 17 May 2016 until further notice.

Constraint Set F-T-FARE_N-2 invoked.


Manager NEM Real Time Operations
53336RECLASSIFY CONTINGENCY16/05/2016 11:47:33 PM

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.

AEMO ELECTRICITY MARKET NOTICE

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 53333

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 2345hrs.


Manager NEM Real Time Operations

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