Filter by:
Filter by category
Filter by Date
From
To
58643POWER SYSTEM EVENTS28/05/2017 10:53:51 AM
Update - Non-credible contingency event - Qld Region - 28 May 2017
AEMO ELECTRICITY MARKET NOTICE
Refer AEMO Electricity Market Notice 58642
At 1019 hrs at T65 Alligator Creek the No. 1 and No. 2 132 kV Bus were returned to service.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Refer AEMO Electricity Market Notice 58642
At 1019 hrs at T65 Alligator Creek the No. 1 and No. 2 132 kV Bus were returned to service.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
58642POWER SYSTEM EVENTS28/05/2017 08:43:45 AM
Non-credible contingency event - Qld Region - 28 May 2017
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Qld region - 28/05/17
At 0756 hrs at T65 Alligator Creek the No. 1 and No. 2 132 kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised approximately 30 MW of load was lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - Qld region - 28/05/17
At 0756 hrs at T65 Alligator Creek the No. 1 and No. 2 132 kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has been advised approximately 30 MW of load was lost.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
58630POWER SYSTEM EVENTS25/05/2017 12:49:59 PM
Update - Non-credible contingency event - Vic Region - 25 May 2017
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Vic Region - 25 May 2017
Refer to AEMO Electricity Market Notices 58628 and 58629
At 0924 hrs and at 1051 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the South Morang end only.
Following a short outage, the line has been returned to service.
The cause of this non credible contingency event has been identified and AEMO is satisfied that this non-credible event is unlikely to re-occur.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Vic Region - 25 May 2017
Refer to AEMO Electricity Market Notices 58628 and 58629
At 0924 hrs and at 1051 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the South Morang end only.
Following a short outage, the line has been returned to service.
The cause of this non credible contingency event has been identified and AEMO is satisfied that this non-credible event is unlikely to re-occur.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
58629POWER SYSTEM EVENTS25/05/2017 11:20:42 AM
Update - Non-credible contingency event - Vic Region - 25 May 2017
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Vic Region - 25 May 2017
Refer AEMO Electricity Market Notice 58628
Again at 1051 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the South Morang end only.
The cause of this non credible contingency event is not known at this stage.
The Line remains out of service for investigation.
Constraint set V-SMSY invoked 1105 hrs to further notice.
The constraint set contains equations with the following interconnectors on the left hand side:
VIC1-NSW1
V-SA
V-S-MNSP1
T-V-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
Update - Non-credible contingency event - Vic Region - 25 May 2017
Refer AEMO Electricity Market Notice 58628
Again at 1051 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the South Morang end only.
The cause of this non credible contingency event is not known at this stage.
The Line remains out of service for investigation.
Constraint set V-SMSY invoked 1105 hrs to further notice.
The constraint set contains equations with the following interconnectors on the left hand side:
VIC1-NSW1
V-SA
V-S-MNSP1
T-V-MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further information.
Manager NEM Real Time Operations
58628POWER SYSTEM EVENTS25/05/2017 10:35:43 AM
Non-credible contingency event - Vic Region - 25 May 2017
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Vic Region - 25 May 2017
At 0924 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the Sth Morang end only.
The Line was placed on load at 0947 hrs.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Constraint set V-SMSY invoked from 0940 hrs to 0955 hrs.
Manager NEM Real Time Operations
Non-credible contingency event - Vic Region - 25 May 2017
At 0924 hrs the South Morang - Sydenham No.1 500 kV Line CBs opened at the Sth Morang end only.
The Line was placed on load at 0947 hrs.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Constraint set V-SMSY invoked from 0940 hrs to 0955 hrs.
Manager NEM Real Time Operations
58595POWER SYSTEM EVENTS18/05/2017 04:21:54 PM
Non-credible contingency event - Vic region - 18 May 2017
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Vic region - 18/05/17
At 1347 hrs the Keilor No. 3 220 kV Bus tripped. The bus was returned to service at 1608 hrs.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - Vic region - 18/05/17
At 1347 hrs the Keilor No. 3 220 kV Bus tripped. The bus was returned to service at 1608 hrs.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
58580POWER SYSTEM EVENTS16/05/2017 03:37:18 AM
Non-credible contingency event - Queensland region - 16/05/17
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Queensland region - 16/05/17
At 0232hrs the T98 Dingo 132kV feeder circuit breakers 4412, 4422 and the #1 SVC 132 kV circuit breaker 4812 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - Queensland region - 16/05/17
At 0232hrs the T98 Dingo 132kV feeder circuit breakers 4412, 4422 and the #1 SVC 132 kV circuit breaker 4812 tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
58467POWER SYSTEM EVENTS03/05/2017 02:25:10 PM
Update - Non-credible contingency event - NSW region - 3 May 2017
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - NSW region - 3 May 2017
Update to Market Notice 58465.
At 1349 hrs the Capital Windfarm 330kV A Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 3 May 2017
Update to Market Notice 58465.
At 1349 hrs the Capital Windfarm 330kV A Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
58465POWER SYSTEM EVENTS03/05/2017 01:21:13 PM
Non-credible contingency event - NSW region - 3 May 2017
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - NSW region - 3 May 2017
At 1241 hrs the Capital Windfarm 330kV A Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 3 May 2017
At 1241 hrs the Capital Windfarm 330kV A Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations