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53980INTER-REGIONAL TRANSFER16/06/2016 11:26:38 AM
Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
At 1106 hrs, there was an unplanned outage of the following plant
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
The following constraint set was invoked.
V-HWLY_2 at 11:15 hrs
V-LY_TX at 11:15 hrs
V-LY_BUS1 at 11:20 hrs
V-LY_BUS3 at 11:20 hrs
The constraint sets contains equations with the following interconnector on the LHS.
T-V-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Loy Yang PS (Vic) - 16/06/2016
At 1106 hrs, there was an unplanned outage of the following plant
Loy Yang No. 1 and No. 3 500 kV Bus
Hazelwood - Loy Yang No. 2 500 kV Line
Loy Yang No. 1 500/220 kV Transformer
Loy Yang A1 generating unit
The following constraint set was invoked.
V-HWLY_2 at 11:15 hrs
V-LY_TX at 11:15 hrs
V-LY_BUS1 at 11:20 hrs
V-LY_BUS3 at 11:20 hrs
The constraint sets contains equations with the following interconnector on the LHS.
T-V-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
53977INTER-REGIONAL TRANSFER16/06/2016 08:19:25 AM
Correction - Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
Correction to MN 53976
Constraint Set S-BGDV was invoked at 0745 hrs.
Manager NEM Real Time Operations
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
Correction to MN 53976
Constraint Set S-BGDV was invoked at 0745 hrs.
Manager NEM Real Time Operations
53976INTER-REGIONAL TRANSFER16/06/2016 07:54:58 AM
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
At 0736 hrs, there was an unplanned outage of the Bungama - Davenport 275 kV Line.
The following constraint set was invoked from 1745 hrs.
S-BGDV
The constraint set contains equations with the following interconnector on the LHS.
V-S-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
Inter-regional transfer limit variation Bungama - Davenport 275 kV Line (SA) - 16/06/2016
At 0736 hrs, there was an unplanned outage of the Bungama - Davenport 275 kV Line.
The following constraint set was invoked from 1745 hrs.
S-BGDV
The constraint set contains equations with the following interconnector on the LHS.
V-S-MNSP1
See Network Outage Scheduler (NOS) for further details
Manager NEM Real Time Operations
53969INTER-REGIONAL TRANSFER15/06/2016 01:36:39 PM
Inter-regional transfer limit variation - Hazelwood - Cranbourne No. 4 500kV Transmission Line (Vic)
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hazelwood - Cranbourne No. 4 500kV Transmission Line (Vic)
Hazelwood - Cranbourne No. 4 500kV Transmission Line has been returned to service early in the Vic region.
The following constraint sets were revoked at 1325 hrs.
V-HWCB4
The constraint sets contain equations with the following interconnectors on the LHS.
NSW-QLD1
VIC1-NSW1
V-SA
V-S-MNSP1
T-V-MNSP1
Refer to AEMO Network Outage Schedule for further details.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hazelwood - Cranbourne No. 4 500kV Transmission Line (Vic)
Hazelwood - Cranbourne No. 4 500kV Transmission Line has been returned to service early in the Vic region.
The following constraint sets were revoked at 1325 hrs.
V-HWCB4
The constraint sets contain equations with the following interconnectors on the LHS.
NSW-QLD1
VIC1-NSW1
V-SA
V-S-MNSP1
T-V-MNSP1
Refer to AEMO Network Outage Schedule for further details.
Manager NEM Real Time Operations
53874POWER SYSTEM EVENTS11/06/2016 10:32:06 AM
Non-credible contingency event - NSW region - 11 June 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - NSW region - 11 June 2016
At 0950 hrs the Wagga substation 132kV B bus, the No2 and the No3 330/132kV transformers tripped.
AEMO did not observe any reduction in electrical demand
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 - 11 June 2016
At 0950 hrs the Wagga substation 132kV B bus, the No2 and the No3 330/132kV transformers tripped.
AEMO did not observe any reduction in electrical demand
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
53705POWER SYSTEM EVENTS08/06/2016 02:45:06 AM
Update - Non-Credible Contingency Event - Vic Region - 8 June 2016
AEMO ELECTRICITY MARKET NOTICE
Update - Non-credible contingency event - Victoria region - 8 June 2016
Update to MN 53704
At 0219 hrs the Yallourn No. 2 220 kV 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 - Victoria region - 8 June 2016
Update to MN 53704
At 0219 hrs the Yallourn No. 2 220 kV 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
53704POWER SYSTEM EVENTS08/06/2016 01:41:50 AM
Non-Credible Contingency Event - Vic Region - 8 June 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - Victoria region - 8 June 2016
At 0129 hrs the Yallourn No. 2 220 kV 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 - Victoria region - 8 June 2016
At 0129 hrs the Yallourn No. 2 220 kV 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
53677POWER SYSTEM EVENTS07/06/2016 04:39:07 PM
Non-Credible Contingency Event - Vic Region - Tues 7th Jun 2016
AEMO ELECTRICITY MARKET NOTICE
Non-Credible Contingency Event - Vic Region - Tues 7th Jun 2016
At 1610 hrs the Richmond No 2 and No 4 220 kV Buses tripped in the Victoria region.
(Coincident with a planned outage Rowville - Richmond No 1 220 kV Line )
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is known
Manager NEM Real Time Operations
Non-Credible Contingency Event - Vic Region - Tues 7th Jun 2016
At 1610 hrs the Richmond No 2 and No 4 220 kV Buses tripped in the Victoria region.
(Coincident with a planned outage Rowville - Richmond No 1 220 kV Line )
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is known
Manager NEM Real Time Operations
53658INTER-REGIONAL TRANSFER06/06/2016 01:09:17 PM
nter-regional transfer limit variation - Tamworth Liddell (84) 330kV Transmission Line (NSW)
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Tamworth Liddell (84) 330kV Transmission Line (NSW)
Tamworth Liddell (84) 330kV Transmission Line has been returned to service early in the NSW region.
The following constraint sets were revoked at 1305 hrs.
F-N-LDTW_84
N-LDTW_84
The constraint sets contain equations with the following interconnectors on the LHS.
NSW-QLD1
N-Q-MNSP1
Refer to AEMO Network Outage Schedule for further details.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Tamworth Liddell (84) 330kV Transmission Line (NSW)
Tamworth Liddell (84) 330kV Transmission Line has been returned to service early in the NSW region.
The following constraint sets were revoked at 1305 hrs.
F-N-LDTW_84
N-LDTW_84
The constraint sets contain equations with the following interconnectors on the LHS.
NSW-QLD1
N-Q-MNSP1
Refer to AEMO Network Outage Schedule for further details.
Manager NEM Real Time Operations