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NON-CONFORMANCE Region NSW1 Monday, 30 May 2016
NON-CONFORMANCE NSW1 Region Monday, 30 May 2016
AEMO declared a schedule generating unit non-conforming
Unit: SITHE01
Duration: 30/05/2016 06:30 to 30/05/2016 08:45
Amount: 23 MW
Constraint: NC-N_SITHE01
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Refer to AEMO Electricity Market Notice no. 53562
There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0345 hrs 30/05/2016.
Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.
Lightning is occurring near the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO considers the simultaneous trip of those circuits to now be more likely.
Therefore AEMO has reclassified this as a credible contingency event from 0120 hrs 30/05/2016 until further notice.
Manager NEM Real Time Operations
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
Cancellation of the Forecast (LOR1) condition in the NSW region - PDPASA - 30 May 2016
The Forecast LOR1 condition in the NSW Region advised in AEMO Electricity Market Notice No. 53559 is cancelled at 1345 hrs 29 May 2016.
Manager NEM Real Time Operations
Inter-regional transfer limit variation Terranora- 29 May 2016
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
Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016
Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region - PDPASA - 30 May 2016
AEMO declares a Forecast LOR1 condition for the NSW Region.
From 1800 hrs to 1900 hrs 30 May 2016
The contingency capacity reserve required is 1400 MW
The minimum reserve available is 1264 MW
Manager NEM Real Time Operations
Cancellation Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Cancellation of Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Refer AEMO Electricity Market Notice 53557
Constraint Set I-TE_ZERO to be revoked.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits to be a credible contingency event from 1315 hrs 29 May 2016
Manager NEM Real Time Operations
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
Reclassification of a Non Credible Contingency Event: Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
A Bushfire exists in the vicinity of the Mudgeeraba Terranora 757 and 758 110 kV Lines in Queensland due to Bushfire.
AEMO has reclassified the simultaneous trip of those circuits to be a credible contingency event from 1015 hrs 29 May 2016 until further notice.
Constraint Set I-TE_ZERO invoked.
Manager NEM Real Time Operations
Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region 29 May 2016
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