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Date: | Mon, 20 Aug 2018 22:24:51 +0000 |
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PGDTF,
Aster found the inconsistencies with the transformer core type in the ERCOT GIC file where core types of 4,6,7, and 8 are not valid entries (highlighted in red). Valid core types are noted in the table below.
This item will be discuss at the September 13th PGDTF meeting.
Thanks,
Dylan
From: Aster Amahatsion [mailto:[log in to unmask]]
Sent: Friday, July 27, 2018 10:15 AM
To: Dylan Preas <[log in to unmask]>
Cc: Juricek, Mike <[log in to unmask]>; [log in to unmask]; [log in to unmask]; Zhenhua Wang <[log in to unmask]>
Subject: ERCOT GIC data
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Hi all,
In the ERCOT GIC file the transformer core type for some transformers do not match with the values supported by PSSE. We missed this in our last check.
BUSI
BUSJ
BUSK
VECGRP
CORE
KFACTOR
GRDRI (ohm)
GRDRJ (ohm)
GRDRK (ohm)
TMODEL
Comment
120095
120091
0
YNd
3
0
0
1
0
0
RARF
120095
120092
0
YNd
4
0
0
1
0
0
RARF
120095
120093
0
YNd
5
0
0
1
0
0
RARF
120095
120094
0
YNd
6
0
0
1
0
0
RARF
140077
140071
0
YNd
3
0
0
1
0
0
RARF
140077
140072
0
YNd
4
0
0
1
0
0
RARF
140077
140073
0
YNd
5
0
0
1
0
0
RARF
140077
140074
0
YNd
6
0
0
1
0
0
RARF
140077
140075
0
YNd
7
0
0
1
0
0
RARF
140077
140076
0
YNd
8
0
0
1
0
0
RARF
[cid:image003.jpg@01D4259B.074B4900]
Thanks,
[cid:image002.png@01D4259B.01CA49E0]<http://www.aep.com/>
ASTER AMAHATSION | ENGINEER SR
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8500 SMITHS MILL ROAD, NEW ALBANY, OH 43054
AEP PUBLIC
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