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 ***This message was received from an external source. Beware of attachments and links. Report suspicious emails using the PhishMe button.*** 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 [log in to unmask]<mailto:[log in to unmask]> | D:614.933.2681 8500 SMITHS MILL ROAD, NEW ALBANY, OH 43054 AEP PUBLIC ######################################################################## To unsubscribe from the PGDTF list, click the following link: http://lists.ercot.com/scripts/wa-ERCOT.exe?SUBED1=PGDTF&A=1