Market Notices

53505INTER-REGIONAL TRANSFER24/05/2016 12:08:44 AM

Cancellation - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.

Refer Market Notices 53461, 53465, 53502, 53503

To maintain power system security AEMO have applied a limit of 850 MVA to the F2 transformer in NEMDE. This limit has been removed.

This restriction on use of short term ratings for the F2 Transformer in the Victoria region is cancelled from 0002 hrs Tuesday 24th May

This restriction will affect the following interconnectors.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Manager NEM Real Time Operations

53503INTER-REGIONAL TRANSFER23/05/2016 10:23:46 AM

Update - date revision to 2400 hrs 23 May 2016 - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

AEMO ELECTRICITY MARKET NOTICE

UPDATE - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.

Refer Market Notice 53645 , 53461 and 53502.

To maintain power system security AEMO has now applied a limit of 850 MVA to the F2 transformer in NEMDE. The applied limit may change according to power system conditions.

This restriction is expected to apply until approximately 2400 hrs, 23 May 2016.

This restriction will affect the following interconnectors.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

CA_SPS_46545836_02 constraint was revoked at 0930 hrs.


Manager NEM Real Time Operations
53502INTER-REGIONAL TRANSFER23/05/2016 09:42:21 AM

Update - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

AEMO ELECTRICITY MARKET NOTICE

UPDATE - Inter-Regional Transfer limit variation: F2 Transformer Victoria Region, 23 May 2016.

Refer Market Notice 53645 and 53461.

To maintain power system security AEMO has now applied a limit of 850 MVA to the F2 transformer in NEMDE. The applied limit may change according to power system conditions.

This restriction is expected to apply until approximately 2400 hrs, 23 November 2016.

This restriction will affect the following interconnectors.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

CA_SPS_46545836_02 constraint was revoked at 0930 hrs.


Manager NEM Real Time Operations
53465INTER-REGIONAL TRANSFER23/05/2016 01:23:36 AM

Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

Refer AEMO Market Electricity Market Notice 53461

AEMO has been advised by AusNet that due to prior loading conditions the South Morang F2 transformer pre contingent and post contingent loading must not exceed 1000 MVA.

To maintain power system security and in order to achieve this outcome AEMO has now applied a limit of 1000 MVA to the F2 Transformer in NEMDE.

Constraint set CA_SPS_46545836_02 invoked at 0110 hrs

Constraints have the following interconnectors on the LHS

V-SA
VIC1-NSW1


Manager NEM Real Time Operations

53461INTER-REGIONAL TRANSFER23/05/2016 12:45:56 AM

Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation: F2 Transformer Victoria Region.

AEMO has been advised by AusNet that due to prior loading conditions the South Morang F2 transformer pre contingent and post contingent loading must not exceed 1000 MVA.

To maintain power system security and in order to achieve this outcome AEMO has now applied a limit of 1000 MVA to the F2 Transformer in NEMDE.

Manager NEM Real Time Operations
53455INTER-REGIONAL TRANSFER21/05/2016 07:25:23 AM

Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - Saturday, 21 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation -Inter-regional transfer limit variation - Tarong to South Pine (832) 275kV Line (Qld) - Voltage Control - Saturday, 21 May 2016

Refer MN 53451

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

The following constraint set was revoked at 0655 hrs.

Q-TRSP_832

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

N-Q-MNSP1


Manager NEM Real Time Operations

53454INTER-REGIONAL TRANSFER21/05/2016 07:17:18 AM

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - Saturday, 21 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275 kV Line (Qld) - Voltage Control - Saturday, 21 May 2016

Refer AEMO Electricity Market Notice 53453

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

Constraint set Q-MRGB_8848_8849 revoked at 0655 hrs.

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

NSW-QLD1
N-Q-MNSP1

Manager NEM Real Time Operations
53453INTER-REGIONAL TRANSFER21/05/2016 01:46:41 AM

Inter-regional Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control, 21 May 2016

AEMO ELECTRICITY MARKET NOTICE
Correction to invoke time
Inter-regional transfer limit variation - Greenbank to Middle Ridge (8848) 275kV Line (Qld) - Voltage Control - 21 May 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 0140 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
53452INTER-REGIONAL TRANSFER21/05/2016 01:41:56 AM

Inter-regional 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 - 21 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
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