Market Notices

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
53513INTER-REGIONAL TRANSFER24/05/2016 01:07:29 PM

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 1305 hrs.

Constraint V-DSA_STAB-050

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
53512INTER-REGIONAL TRANSFER24/05/2016 11:49:34 AM

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-050 invoked from 1145 hrs until further notice.

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
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
53510INTER-REGIONAL TRANSFER24/05/2016 07:28:03 AM

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 0715hrs.

Constraint V-DSA_STAB-050

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
53509INTER-REGIONAL TRANSFER24/05/2016 06:33:57 AM

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-050 invoked from 0635 hrs until further notice.

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
53508INTER-REGIONAL TRANSFER24/05/2016 06:11:32 AM

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraints sets have been invoked to apply offset reductions to the Victoria transient stability export limit.

Constraint V-DSA_STAB-100 invoked from 0205 hrs to 0325 hrs.
Constraint V-DSA_STAB-050 invoked from 0325 hrs to 0610 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
53507INTER-REGIONAL TRANSFER24/05/2016 03:31:36 AM

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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 constraints sets have been invoked to apply offset reductions to the Victoria transient stability export limit.

Constraint V-DSA_STAB-100 invoked from 0205 hrs to 0325 hrs.
Constraint V-DSA_STAB-050 invoked from 0325 hrs until further notice.


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
53506INTER-REGIONAL TRANSFER24/05/2016 02:08:51 AM

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 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-100 invoked from 0205 hrs until further notice.

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

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