NOTICE DATE: January 7, 2009
NOTICE TYPE: M-B010709-01 Operations
SHORT DESCRIPTION: Benbrook Autotransformers SPS Proposal
INTENDED AUDIENCE: ERCOT Market Participants
DAY AFFECTED: Proposed start in May 2009
LONG DESCRIPTION: The ERCOT ISO has received a proposal from Oncor Electric Delivery for two new Special Protection Schemes (SPS) on the 345/138 kV Autotransformers at the Benbrook Switching Station. The SPSs are series reactor insertions into the 138 kV sides of the Autotransformers.
The ERCOT ISO is initiating a review of these Type-2 SPSs at this time. Information regarding SPSs can be viewed on the ERCOT Planning and Operations Information website:
http://planning.ercot.com/login/login
CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via e-mail at [log in to unmask]<mailto:[log in to unmask]>.
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