Qiuli,
Can you refresh my memory as to exactly which case we are using? Is the 2021
summer peak case that SSWG posted this summer with the filename that ends
with a date of 06292017, or is it the 2021 summer peak case that was posted
last week with the filename that ends 10122017?
Thanks,
Doug Evans
[log in to unmask]
361-485-6459
From: Planning Geomagnetic Disturbance Task Force
[mailto:[log in to unmask]] On Behalf Of Yu, Qiuli
Sent: Monday, October 16, 2017 3:29 PM
To: [log in to unmask]
Subject: TSP GIC resubmission due this Friday (10/20/2017)
***** EXTERNAL email. Please be cautious and evaluate before you click on
links, open attachments, or provide credentials. *****
All PGDTF TSP members,
Just a reminder that the TSP GIC resubmission based on the new SSWG base
case and new GIC System Model Template is due this Friday (10/20/2017).
Please prepare your GIC input file and send it to [log in to unmask] by the
deadline.
When preparing your GIC input file, please make sure:
1. All bus numbers that show up in the new SSWG base case and belong
to the same TSP should be included in the "SubstationData" Tab of that TSP's
GIC input file. If a bus number is in a TSP range but not owned by that TSP,
the TSP should list the bus in the extra buses tab and coordinate with
another TSP who own that bus.
2. One substation should be unique although it may include some buses
that are owned by different TSPs. These TSPs should coordinate with each
other to make sure only one TSP lists this substation.
3. The bus numbers, bus number order, and circuit ID of transformers
and lines are the same as those in SSWG base cases.
4. 2 bus numbers for 2-winding transformer or 3 bus numbers for a
3-winding transformer should be in the same substation.
Please let Omar or ERCOT know if you have any questions.
Thanks.
Qiuli Yu
Network Model Engineer, Sr.
Electric Reliability Council of Texas, Inc.
2705 West Lake Dr.
Taylor, TX 76574
Phone: 512-248-4161
Email: [log in to unmask]
From: Planning Geomagnetic Disturbance Task Force
[mailto:[log in to unmask]] On Behalf Of Urquidez, Omar A
Sent: Tuesday, October 03, 2017 11:30 AM
To: [log in to unmask]
Subject: Updated GIC System Model Template
***** EXTERNAL email. Please be cautious and evaluate before you click on
links, open attachments, or provide credentials. *****
PGDTF,
Attached is the new GIC System Model Template (used for TSP data
submissions). As discussed in the Face to Face meeting on Friday, the new
template has an additional tab for bus numbers in a TSP range that are not
submitted in the Substation Tab (e.g. a bus number in a TSP range that is
actually in another TSP station). The TSPs must coordinate with each other
if a bus in their range is in another TSP station. It is not sufficient to
just list it in the extra buses tab.
If there are any questions, please feel free to contact me.
Best Regards,
Omar A. Urquidez, PhD, P.E.
Chairman Planning Geomagnetic Disturbance Task Force
CenterPoint Energy
Office: (713) 207-2344
Cell: (617) 504-8704
Email: [log in to unmask]
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