DISTRIBUTION TRANSFORMERS SUBCOMMITTEE

SCOPE

Studying and reviewing engineering aspects of overhead, pad mounted, and unit substation transformers;
Evaluation of enclosure integrity and surface coatings;
Developing and maintaining related standards, recommended practices, and guides for such products;
Coordinating with other technical committees, groups, societies, and associations as required.

CHAIR	VICE CHAIR	SECRETARY
Ed Smith The H-J Family of Companies 3010 High Ridge Blvd. High Ridge, MO 63049, U.S.A. Phone: +1 636-677-3421 Ext. 324 E-Mail: edsmith@h-jenterprises.com	Jerry R. Murphy Reedy Creek Energy Services PO Box 10000 Lake Buena Vista, FL 32830-1000, U.S.A. Phone: +1 407-824-4194 E-Mail: jerry.murphy@ieee.org	Josh Verdell ERMCO 2225 Industrial Road Dyersburg, TN 38024, U.S.A. Phone: +1 731-288-4267 E-Mail: josh.verdell@ermco-eci.com

SC AGENDA/TOPICS FOR NEXT MEETING

For previous meeting minutes, see Transformers Committee Meetings

WORKING GROUPS/TASK FORCES

Standard	Title	Officers	Status	Drafts	Documents
C57.12.20 WG	Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller, High-Voltage 34500 Volts and Below; Low-Voltage, 7970/13800 Y Volts and Below	Chair: Alan Traut Phone: +1 589-221-9144 atraut@ieee.org Vice-Chair: J. Ed Smith Phone: +1 636-677-3421 ext. 324 edsmith@h-jenterprises.com Secretary: Kendrick Hamilton Phone: kendrickjhamilton@gmail.com	Active 50% Approved 2017 Rev Due: 12/31/2027 PAR Exp.: 12/31/2023	C57.12.20 D5 8Apr2021	. .
C57.12.28	IEEE Standard for Pad Mounted Equipment – Enclosure Integrity	Chair: Dan Mulkey Phone: +1 707-776-7346 dhmulkey@ieee.org Vice-Chair: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com Secretary: Audrey Siebert-Timmer Phone: +1 604-734-0105 audrey.siebert-timmer@ifdcorporation.com	Inactive Pub. 2014 Rev Due: 12/31/2024	.	.
C57.12.29	Standard for Pad Mounted Equipment – Enclosure Integrity for Coastal Environments	Chair: Dan Mulkey Phone: +1 707-776-7346 dhmulkey@ieee.org Vice-Chair: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com Secretary: Audrey Siebert-Timmer Phone: +1 604-734-0105 audrey.siebert-timmer@ifdcorporation.com	Inactive Pub. 2014 Rev Due: 12/31/2024	.	.
C57.12.30 WG	Standard for Pole-Mounted Equipment- Enclosures for Coastal Environment	Chair: Dan Mulkey Phone: +1 707-776-7346 dhmulkey@ieee.org Vice-Chair: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com Secretary: Audrey Siebert-Timmer Phone: +1 604-734-0105 audrey.siebert-timmer@ifdcorporation.com	Active – 90% Pub. 2010 Rev Due: 12/31/2020 PAR Exp.: 12/31/2023	C57.12.30 D1.3 10Novt2019	Fall 2019 C57.12 (28-32) WG Minutes (unapproved) 10Novt2019 . .
C57.12.31 WG	IEEE Standard for Pole Mounted Equipment -Enclosure Integrity	Chair: Dan Mulkey Phone: +1 707-776-7346 dhmulkey@ieee.org Vice-Chair: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com Secretary: Audrey Siebert-Timmer Phone: +1 604-734-0105 audrey.siebert-timmer@ifdcorporation.com	Active – 90% Pub 2010 Rev Due: 12/31/2020 PAR Exp.: 12/31/2023	C57.12.31 D1.3 10Novt2019	Fall 2019 C57.12 (28-32) WG Minutes (unapproved) 10Novt2019 . .
C57.12.32 WG	Standard for Submersible Equipment – Enclosure Integrity	Chair: Dan Mulkey Phone: +1 707-776-7346 dhmulkey@ieee.org Vice-Chair: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com Secretary: Audrey Siebert-Timmer Phone: +1 604-734-0105 audrey.siebert-timmer@ifdcorporation.com	Inactive Pub. 2019 Rev Due: 12/31/2029	. .	Background Info Files 25Oct2018
C57.12.34 WG	Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers, 2500 kVA and Smaller: High-Voltage, 34 500GrdY/19 920 Volts and Below; Low Voltage, 480 Volts and Below	Chair: Stephen Shull Phone: +1 417-625-6110 sshull@bbcelectrical.com VC/Secretary: Scott Dahlke Phone: +1 870 543 6547 sdahlke@centralmoloney.com .	Active 80% Approved 2015 Rev Due: 12/31/2022 PAR Exp.: 12/31/2022	PC57.12.34 D2.7 12Apr2019	Fall 2020 C57.12.34 WG Minutes (unapproved) 30Oct2020 Background Info Files 20Oct2020
C57.12.35 WG	IEEE Standard for Bar Coding for Distribution Transformers	Chair: Rhett Chrysler Phone: +1 731-288-2831 rhettchrysler@ieee.org Vice-Chair: Open Phone: giuseppe.termini@peco-energy.com Secretary: Alan Traut Phone: +1 589-221-9144 atraut@ieee.org	Active Pub. 2013 Rev Due: 12/31/2023 PAR Exp.: 12/31/2023	PC57.12.35 D2 14Oct2020	Fall 2020 Presentation 14Oct2020 Fall 2019 C57.12.35 WG Minutes (unapproved) 14Oct2020
C57.12.36 WG	IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers	Chair: Jerry Murphy Phone: +1 407-824-4194 jerry.murphy@ieee.org Vice-Chair: Carlos Gaytan Phone: +52 8180302162 Carlos.Gaytan@ge.com	Inactive Pub. 2017 Rev Due: 12/31/2027	.	.
C57.12.37 WG	IEEE Standard for the Electronic Reporting of Transformer Test Data	Chair: Thomas Callsen Phone: +1 847-398-4510 thomas.callsen@ieee.org Vice-Chair: Martin Rave Phone: +1 630-437-2816 martin.rave@ComEd.com	Inactive Approved 2015 Rev Due: 12/31/2025	.	.
C57.12.38 WG	IEEE Standard for Pad-Mounted-Type, Self-Cooled, Single-Phase Distribution Transformers 250 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 V and Below; Low Voltage, 480/240 V and Below	Chair: Ali Ghafourian Phone: +1 706-202-7212 asghar.ghafourian@ gmail.com Vice-Chair: Martin Rave Phone: +1 630-437-2816 martin.rave@ComEd.com Secretary: Jarrod Prince Phone: +1 731-288-4336 jarrod.prince@ermco-eci.com	Active 20% Approved 2014 Rev Due: 12/31/2024	Fall 2020 Component Definitions R3 20Oct2020 Fall 2019 Proposed Changes for Compatibility with C57.12.39 2Mar2020	Spring 2021 Agenda 9Apr2021 Fall 2020 C57.12.38 WG Minutes 20Oct2020 Background Info Files 25Oct2018
C57.12.39 WG	Standard Requirements for Distribution Transformer Tank Pressure Coordination	Chair: Carlos Gaytan Phone: +52 8180302162 Carlos.Gaytan@ge.com Secretary: Jeremy Van Horn Phone: +1 604-734-0105 jeremy.vanhorn@ifdcorporation.com	Inactive Rev Due: 12/31/2027	.	Fall 2018 C57.12.39 WG Minutes (unapproved) 25Oct2018 – – – – – – – – – – Background Material (0.9MB zipped) 08Oct2012
C57.15 WG	IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators	Chair: Craig Colopy Phone: +1 262-896-2342 CraigAColopy@Eaton.com Secretary: Gael Kennedy Phone: +1 402-881-0421 grkenne@gmail.com	Inactive PAR Exp.: 12/31/2022	.	.
C57.167 WG	Guide for Monitoring Distribution Transformers	Chair: Gary Hoffman Phone: +1 973-474-2171 grhoffman@advpowertech.com Vice-Chair: Mike Thibault Phone: +1 209-628-3126 mltc@pge.com Secretary: Gustova Leal Phone: +1 804-257-4037 gustavo.a.leal@dominionenergy.com	Active 10% PAR Exp.: 12/31/2022	.	Jan 8-9, 2019 User and Producer Presentations: Qualitrol 19Jan2019 NMS PSEG 19Jan2019 Scarborough 13Jan2019 Con Edison Equip Monitoring 13Jan2019 Fall 2018 TF Minutes (unapproved) 29Oct2018 Fall 2018 Presentation 29Oct2018 The Definition and Quantification of Resilience 29Oct2018
TF	Transformer Efficiency & Loss Evaluation (DOE Activity)	Chair: Phil Hopkinson Phone: +1 704-846-3290 phopkinson@ieee.org Vice-Chair: David Brender Phone: +1 212-251-7206 dbrender@ymail.com Secretary: Gerard Winstanley Phone: +1 703-841-3231 gerard.winstanley@nema.org	Active	Transf. Load Spreadsheet 17Apr2019	Fall 2020 TF Agenda 13Oct2020 F20 Dual Nameplate-Hopkinson 13Oct2020 F20 Dual Nameplate-Rapp 13Oct2020 F20 Dual Nameplate-Traut 13Oct2020 F20 DT Loading-Mulkey 13Oct2020 F20-DT Loading-Rosenstock 13Oct2020 F20 High Temp DTs-Ballard 13Oct2020 F20 Thermal Enhanced Paper-Prevost 13Oct2020 Spring 2019 TF Minutes (unapproved) 4Oct2019 Fall 2019 Presentation Loading & Energy Eff. 20Oct2019 Fall 2019 Load Data Template R3 20Oct2019 DOE-TestProc406 10May2019 Spring 2019 Distr TR Issues 19Mar2019 Spring 2019 Distr TR Loading Issue/Dominion 17Apr2019 Fall 2018 Mulkey TR Loading Presentation 15Oct2018 – – – – – – – – Background Material 25Oct2017 Background Material DOE 2014 (35.6MB zipped) 25Oct2018