Market Notices

53634INTER-REGIONAL TRANSFER06/06/2016 05:01:17 AM

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016

Refer AEMO Electricity Market Notice 53629

The Greenbank to Middle Ridge (8848) 275 kV Line has been returned to service.

Constraint set Q-MRGB_8848_8849 revoked at XXXX hrs.

The constraint set contains equations with the following interconnectors on the LHS:
NSW1-QLD1
N-Q-MNSP1

Manager NEM Real Time Operations
53629INTER-REGIONAL TRANSFER06/06/2016 01:27:49 AM

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 6 June 2016

The Greenbank to Middle Ridge (8848) 275 kV Line has been de-energised to manage voltages in the Qld region.

The following constraint set was invoked at 0125 hrs until further notice.
Q-MRGB_8848_8849

The constraint set contains equations with the following interconnectors on the LHS:
NSW1-QLD1
N-Q-MNSP1

Manager NEM Real Time Operations
53621INTER-REGIONAL TRANSFER05/06/2016 05:50:33 AM

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 5 June 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - 5 June 2016

Refer AEMO Electricity Market Notice 53620

The Greenbank to Middle Ridge (8848) 275 kV Line has been returned to service.

Constraint set Q-MRGB_8848_8849 revoked at 0550 hrs.

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

NSW-QLD1
N-Q-MNSP1

Manager NEM Real Time Operations
53620INTER-REGIONAL TRANSFER05/06/2016 01:59:04 AM

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control - 5 June 2016

The Greenbank to Middle Ridge (8848) 275kV Line has been de-energised to manage voltages in the Qld region.

The following constraint set was invoked at 0155 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
53603INTER-REGIONAL TRANSFER03/06/2016 05:55:58 PM

Cancellation - Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016

Refer to MN 53602

An unplanned outage of the No 2 Leg of Directlink returned to service at 1755 hrs

Constraint set N-X_MBTE_1 revoked

The outage constraint set contains the following interconnector on the left hand side.

N-Q-MNSP1

Manager NEM Real Time Operations
53602INTER-REGIONAL TRANSFER03/06/2016 05:32:11 PM

Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer Limit Variation - NSW Region - Directlink - Fri 3 Jun 2016

An unplanned outage of the No 2 Leg of Directlink occurred at 1717 hrs

See AEMO Network Outage Scheduler (NOS) for details and return to service times.

Constraint set N-X_MBTE_1 invoked from 1730 hrs.

The outage constraint set contains the following interconnector on the left hand side.

N-Q-MNSP1

Manager NEM Real Time Operations
53560INTER-REGIONAL TRANSFER29/05/2016 01:25:00 PM

Inter-regional transfer limit variation Terranora- 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation Terranora- 29 May 2016
A short notice outage of Mudgeeraba Terranora 757 110 kV line in the QLD region has commenced at 1315 hrs.
The following constraints are invoked for this outage
I-MUTE_757
The outage constraints contain the following interconnectors on the LHS
N-Q-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
53556INTER-REGIONAL TRANSFER29/05/2016 10:21:16 AM

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 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-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 hrs to 0600 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
53555INTER-REGIONAL TRANSFER29/05/2016 04:50:59 AM

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 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-50 invoked from 0155 hrs to 0220 hrs.
Constraint V-DSA_STAB-100 invoked from 0220 hrs to 0240 hrs.
Constraint V-DSA_STAB-150 invoked from 0240 hrs to 0500 hrs.
Constraint V-DSA_STAB-100 invoked from 0500 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
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