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53516POWER SYSTEM EVENTS24/05/2016 06:57:10 PM
Update Non-credible contingency event - NSW region - 24 May 2016
AEMO ELECTRICITY MARKET NOTICE
Update Non-credible contingency event - NSW region - 24 May 2016
Refer market notice 53511,53515
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
At 1827 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A 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
Update Non-credible contingency event - NSW region - 24 May 2016
Refer market notice 53511,53515
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
At 1827 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A 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
53515POWER SYSTEM EVENTS24/05/2016 03:24:22 PM
Update Non-credible contingency event - NSW region - 24 May 2016
AEMO ELECTRICITY MARKET NOTICE
Update Non-credible contingency event - NSW region - 24 May 2016
Refer market notice 53511
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
The cause of this non credible contingency event is not known at this stage.
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Update Non-credible contingency event - NSW region - 24 May 2016
Refer market notice 53511
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
The cause of this non credible contingency event is not known at this stage.
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
53511POWER SYSTEM EVENTS24/05/2016 11:16:38 AM
Non-credible contingency event - NSW region - 24 May 2016
AEMO ELECTRICITY MARKET NOTICE
Non-credible contingency event - NSW region - 24 May 2016
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
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 - 24 May 2016
At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.
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
53407SETTLEMENTS RESIDUE19/05/2016 01:00:15 AM
[EventId:201605190100_NRM_SA1_VIC1_stopped] NEGRES CONSTRAINT NRM_SA1_VIC1 ceased operating from 19 May 2016 01:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0100 hrs on 19 May 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 19 May 2016.
Refer to market notice: 53406
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0100 hrs on 19 May 2016.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0100 hrs on 19 May 2016
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 19 May 2016.
Refer to market notice: 53406
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the SA to VIC directional interconnector.
The negative residue constraint NRM_SA1_VIC1 ceased operating at 0100 hrs on 19 May 2016.
This is an AEMO autogenerated Market Notice.
53406SETTLEMENTS RESIDUE18/05/2016 11:40:17 PM
[EventId:201605182340_NRM_SA1_VIC1_started] NEGRES CONSTRAINT NRM_SA1_VIC1 started operating from 18 May 2016 23:40
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 2340 hrs on 18 May 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 18 May 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 2340 hrs on 18 May 2016.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 2340 hrs on 18 May 2016
ACTUAL NEGATIVE SETTLEMENT RESIDUES - SA to VIC - 18 May 2016.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the SA to VIC directional interconnector.
The negative residue constraint set NRM_SA1_VIC1 commenced operating from 2340 hrs on 18 May 2016.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.