- Page 1 of 23- IEEE / PES /TRANSFORMERS COMMITTEE Standards Status Report To: Members of IEEE Transformers Committee October 30, 2015 From: William H. Bartley, Standards Coordinator Rev #0 and Tim Holdway, Coordinator Designee Executive Summary This report covers the Transformers Committee Standards activity for the 6 month period from March 2015 to October 30, 2015. In the last six months, three new Standards, and five Revisions and one Amendment were approved by the Standards Board. In this same period, the Standards Board approved one PAR for a new corrigenda, three PARs for Revisions to standards; no PAR modifications, and two PAR Extensions. In this Report: I. Standards approved ......................................pg 1 II. PARs approved ..............................................pg 2 III. Standards Board 2015 Meeting Schedule ........pg 2-3 IV. Transformer Committee Ballot Status ............pg 4 V. Transformers Committee PAR Status ..............pg 4-6 VI. Transformer Stds Status database..................pg 7- 21 VII. Transformer Committee Org Chart ................pg 22-23 I. Standards approved since April 1, 2015 NEW Transformer Standards Approved C57.163 - Guide for Establishing Power Transformer Capability while under Geomagnetic Disturbances C57.130 - Guide for the Use of Dissolved Gas Analysis Applied to Factory Temperature Rise Tests for the Evaluation of Mineral Oil-Immersed Transformers and Reactors C57.157 - Guide for Conducting Functional Life Tests on Switch Contacts Used in Insulating Liquid Transformers NEW Amendments Approved 1538a - Guide for Determination of Max Winding Temp Rise in Liquid Transformers - Amendment#1 REVISIONS to Transformer Standards approved C57.12.34 Standard for Requirements for Pad-Mounted, Compartmental Type, Self- Cooled, Three Phase Distribution Transformers, 10 MVA and Smaller; C57.12.37 Standard for the Electronic Reporting of Distribution Transformer Test Data C57.12.59 Guide for Dry-Type Transformer Through-Fault Current Duration C57.125 Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt Reactors C57.637 Guide for the Reclamation of Mineral Insulating Oil and Criteria for Its Use
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IEEE / PES /TRANSFORMERS COMMITTEE
Standards Status Report To: Members of IEEE Transformers Committee October 30, 2015
From: William H. Bartley, Standards Coordinator Rev #0 and Tim Holdway, Coordinator Designee Executive Summary This report covers the Transformers Committee Standards activity for the 6 month period from March 2015 to October 30, 2015. In the last six months, three new Standards, and five Revisions and one Amendment were approved by the Standards Board. In this same period, the Standards Board approved one PAR for a new corrigenda, three PARs for Revisions to standards; no PAR modifications, and two PAR Extensions.
In this Report: I. Standards approved ...................................... pg 1 II. PARs approved .............................................. pg 2 III. Standards Board 2015 Meeting Schedule ........ pg 2-3 IV. Transformer Committee Ballot Status ............ pg 4 V. Transformers Committee PAR Status .............. pg 4-6 VI. Transformer Stds Status database .................. pg 7- 21 VII. Transformer Committee Org Chart ................ pg 22-23
I. Standards approved since April 1, 2015
NEW Transformer Standards Approved C57.163 - Guide for Establishing Power Transformer Capability while under Geomagnetic Disturbances
C57.130 - Guide for the Use of Dissolved Gas Analysis Applied to Factory Temperature Rise Tests for the Evaluation of Mineral Oil-Immersed Transformers and Reactors
C57.157 - Guide for Conducting Functional Life Tests on Switch Contacts Used in Insulating Liquid Transformers
NEW Amendments Approved 1538a - Guide for Determination of Max Winding Temp Rise in Liquid Transformers - Amendment#1
REVISIONS to Transformer Standards approved
C57.12.34 Standard for Requirements for Pad-Mounted, Compartmental Type, Self-Cooled, Three Phase Distribution Transformers, 10 MVA and Smaller;
C57.12.37 Standard for the Electronic Reporting of Distribution Transformer Test Data
C57.12.59 Guide for Dry-Type Transformer Through-Fault Current Duration
C57.125 Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt Reactors
C57.637 Guide for the Reclamation of Mineral Insulating Oil and Criteria for Its Use
Fall 2015 Standards Report Page 2 of 23
Transformer Standards that are on the December Standards Board Revcom Agenda
PC57.12.00 General Requirements for Liquid-Immersed Distribution, Power, & Regulating Transformers
PC57.12.90 Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
PC57.139 Guide for Dissolved Gas Analysis in Transformer Load Tap Changers
PC57.106 Guide for Acceptance and Maintenance of Insulating Oil in Equipment
PC57.32 Standard Requirements, Terminology, and Test Procedures for Neutral Grounding Devices
II. PARs approved since April 1, 2015
PAR for Corrigenda
PC57.12.70-2011 Standard Terminal Markings and Connections for Distribution and Power Transformers - Corrigendum 1: Correction of Annex Figures (expires 12/31/2019)
PARs for Revisions The following were approved in 2015, and will Expire Dec 31st 2019
PC57.12.32 Standard for Submersible Equipment – Enclosure Integrity
PC57.12.60 Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers
PC57.12.58 Guide for Conducting a Transient Voltage Analysis of a Dry-Type Transformer Coil
PAR Modifications approved none
PAR Extensions approved PC57.140 Guide for Evaluation and Reconditioning of Liquid Immersed Power Transformers
(extended until Dec 2017) PC57.138 Recommended Practice for Routine Impulse Test for Distribution Transformers
(extended until Dec 2016)
The following PAR for a Revision was deferred until December 2015
PC57.12.38 Standard for Pad-Mounted-Type, Self-Cooled, Single-Phase Distribution Transformers
The following Requests for PAR Extension are now on the December 2015 Agenda:
PC57.156 Guide for Tank Rupture Mitigation of Liquid-Immersed Power Transformers and Reactors
PC57.12.24 Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 600 Volts and Below
PC57.19.04 Standard Performance Characteristics and Dimensions for High Current Power Transformer Bushings with Rated Continuous Current in Excess of 5000 A in Bus Enclosures
PC57.12.36 Standard Requirements for Liquid-Immersed Distribution Substation Transformers
Fall 2015 Standards Report Page 3 of 23
III. 2016 IEEE Standards Board Meeting Schedule The IEEE Standards Board now has only three “face to face” board meetings per year. But they supplement this with three (3) teleconference meetings. The full list of meetings is shown in the calendar below.
Deadlines for 2016 Standards Board Submissions:
Please Note: Anything that expires at the end of next year (2016) must be submitted to Standards Board (either NESCOM or REVCOM) by October 17th, 2016
III. 2016 Standards Board Meeting Calendar
Standards Board Meetings Submission Deadline
January December 9 2015
March January 22, 2016
May March 22, 2016
June May 20, 2016
September August 5, 2016
December October 17, 2016
Fall 2015 Standards Report Page 4 of 23
IV. Transformers Committee Ballot Status (as of Oct 30, 2015) Subcommittee PAR or Standard Status # of Balloters Ballot Close Dielectric PC57.138 Ballot Invitation 95
IEEE Standard Performance Characteristics and Dimensions for Outdoor Apparatus Bushings
200012/31/2018
12/8/201012/31/2017
Approved +PAR for Revision
Formally Std. IEEE 24 Reaffirmed in 2005.PAR for Rev first approved Dec 2010Mar '10: NesCom extended PAR, unitl December 2013PAR Extension until 2017 approved in March 2014
Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller, High-Voltage 34 500 Volts and Below; Low-Voltage, 7970/13 800 Y Volts and Below
C57.12.34 Requirements for Pad-Mounted, 3-Phase DistributionTransformers, <2500 kVA HV <34 500 LV <480 Volts
12/9/2025Approved
Originally Std. 1447, Combined C57.22‐1980 & C57.12.26‐1992Revised Standard approved Dec09Mar '11: Nescom approved new PAR for RevisionRevision approved Sept 2015
Page 9 of 23Prepared by W. Bartley, Transformers Standards Coordinator 10/30/2015
STANDARDPROJECT
TITLEPub YearRev Due Dat
PAR Issue Dat
PAR Expiration
Standard StatusRemark
Working Group Chair
EmailPhone
SubCommittee DISTRIBUTION TRANSFORMERSS.
(417) 625-6110
[email protected] ShullC57.12.37 IEEE Standard for the Electronic Reporting of
Transformer Test Data200612/31/2025
Approved
Formally C57.132, IEEE Std 1388‐2000 D11d approved by SA Board on 3/30/2006.Published 7/21/2006. New PAR for Revision approved Dec'11Revision approved Sept 3 2015
Ventilated Dry-Type Power Transformers, 501 kVA and Large, Three-Phase, with High-Voltage 601 to 34500 Volts; Low-Voltage 208Y/120 to 4160 Volts - General Requirements
12/31/20188/21/201412/31/2018
Approved + Active PAR for Revision
Previously NEMA document C57.12.51, original publication by NEMA in 1981, Reaffirmed in 1998. This document was transferred to IEEE in Dec., 2002.Approved by SA Sept 2008. PAR for Revision approved Aug 2014
C57.12.52 Standard Requirements for Sealed Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 208Y/120 to 4160 Volts
198112/31/2022
Approved
Previously ANSI C57.12.52‐1981SA approved Dec 2012
C57.12.59 IEEE Guide for Dry-Type Transformer Through-Fault Current Duration
200112/31/2025
Approved
Reaffirmation approved in 12/5/2006.PAR for Revision and approved Dec'11PAR Modification (changing Scope) approved Dec 2014Revision Approved Sept 3 2015
IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power Transformers
198212/31/2018
12/9/201112/31/2015
Approved
Reaffirmation approved by the SA Board on 12/6/2006PAR for Revision approved Dec'11Std Submitted to Revcom and on Dec. Agenda
Stankes(603) 545-3026
S
C57.96
PC57.96
IEEE Guide for Loading Dry Type Distribution and Power Transformers
199912/31/2023
Approved - Active
RevCom approved reaffirmation on 9/22/2004Previous revision in 1994. PAR for Revision approved Dec 2009Ballot completed and on Dec2013 Revcom agenda.Approved by SASB Dec11 2013
C57.637 IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use
198512/31/2018
Approved
Reaffirmation approved by SA Board 9/27/2007PAR for Revision approved Dec 2008PAR extension approved June 2012, until Dec 2014Another Extension granted until Dec 2015
C57.18.10 IEEE Standard Practices and Requirements for Semiconductor Power Rectifier Transformers
19981/30/2019
Approved
Replaced the C57.18‐1964 for pool cathode mercury‐arc rectifiers.Amendment 1: Technical and Editorial Corrections was approved 3/27/08Reaffirmed March 2009
C57.32 IEEE Standard Requirements, Terminology, and Testing Procedures for Neutral Grounding Devices
197212/31/2018
Approved - Active PAR to revise std
Dec. 2002 ‐ Sponsor changed from PES/SPD to PES/TR; PAR Modified and extended to Dec 2011; PAR stalled Oct'11, without a ballot. PAR withdrawn & New PAR submitted Oct'11, approved by Stds Bd Dec '11Standard submitted to Revcom and on Dec '15 Agenda
C57.117 IEEE Guide for Reporting Failure Data for Power Transformers and Shunt Reactors on Electric Utility Power Systems
198612/31/2018
Withdrawn
Previously IEEE 786‐1986, original approval date 6/19/1986.Oct 2010 decision to merge with C57.125.This standard is still Active because of PAR for revison of C57.125.This will be withdrawn when Revision of C57.125 is approved.
C57.131 IEEE Standard Requirements for Load Tap Changers
199512/31/2022
Approved Standard
PAR Modified Dec 09 and extended to Dec 2010.Dec '10: Nescom & Revcom extend untul Dec31 20111st Ballot closed May'11; 1st Recirc closed 21‐Oct; Std was approved Mar 2012
C57.135 IEEE Guide for the Application, Specification and Testing of Phase- Shifting Transformers
20016/16/2021
Approved
Approved for IEEE/IEC Dual Logo Dec. 2005 ‐ IEC 62032 Ed. 1
IEEE Guide for Installation of Liquid-Immersed Power Transformers
199512/31/2018
3/29/201212/31/2016
Approved Standard - with approved PAR for Revision
Rev of ASA C57.93‐1958, IEEE Std C57.12.11‐1980, & C57.12.12‐1980PAR to Revise IEEE Std C57.93‐1995 Approved by RevCom 12/2007PAR for Revision was approved March 2012
IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers
200012/31/2021
10/19/201512/31/2019
Approved + Active PAR for Corrigenda
Published 3/16/2001. Reaff approved by RevCom 3/30/2006.New Revision approved by Std Board Dec 2011PAR for Corrigenda approved to correct figures in Annexes
C57.152 IEEE Guide for Diagnostic Field Testing of Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors
199512/31/2023
Approved
Originally IEEE 62. Reaff was successful.in 2005. New WG formed to revise document on a continuous basis based on TF recommendation. Revision changed to C57 series,
IEEE Standard for Underground Type, Self-Cooled, Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; High Voltage 25kV and Below; Low Voltage 600V and Below
20093/19/2019
8/21/201412/31/2018
Approved + active PAR for Revision
Published 4/20/2009PAR for Revision approved Aug 2014
Requirements for Transformers - Underground-Type, Three Phase Distribution Transformers: High Voltage (34 500 GrdY/19 920 V and Below) and Low Voltage (480V and Below, 2500 kVA and Smaller
20006/17/2019
11/9/201112/31/2015
Approved standard
New PAR for Revision approved Nov '11PAR Extension Requested /on Dec '15 Agenda
C57.12.57 Requirements for Ventilated Dry-Type Network Transformers 2500 kVA and Below, Three-Phase with High Voltage 34 500 Voltas and Below, Low Voltage 216Y/125 and 480Y/125 Volts
199212/31/2000
Standard WITHDRAWN in 2001
Existing standard withdrawn by IEEE on 1/15/2001. No longer endorsed by IEEE.