James Graham, P.E.Standards Coordinator

Transformers Committee

▪ Standards approved

▪ PARs approved

▪ Ballot Status

▪ PARs Status

▪ Standards Status

NEW STANDARDS approved

P60214-2 Tap-Changers - Part 2: Application Guide

NOTE: Standards have a life of Ten (10) Years

REVISIONS approved

PC57.12.32 Standard for Submersible Equipment - Enclosure

Integrity

PC57.12.51 Guide for Mechanical Interchangeability of Ventilated

Dry Type Transformers

PC57.93 Guide for Installation and Maintenance of Liquid-

Immersed Power Transformers

PC57.104 Guide for the Interpretation of Gases Generated in Oil-

Immersed Transformers

NOTE: Standards have a life of Ten (10) Years

Pending Standards Approvals

PC57.13.5 Standard for Performance and Test Requirements for

Instrument Transformers of a Nominal System Voltage

of 115 kV and Above

(on the 6 Nov, 2019 RevCom agenda)

PC57.123 Guide for Transformer Loss Measurement

(on the 6 Nov, 2019 RevCom agenda)

PARs for New Standards (expires December, 2023)

PC57.170 Guide for the Condition Assessment of Liquid Immersed

Transformers, Reactors and Their Components

PARs for Revisions (All expire December 2023)

PC57.12.35 Standard for Information Coding for Distribution

Transformers and Step-Voltage Regulators (expires 2023)

C57.12.40 IEEE Standard for Network, Three-Phase Transformers,

2500 kVA and Smaller; High Voltage, 34 500 V and Below;

Low Voltage, 600 V and Below; Subway and Vault Types

(Liquid Immersed) (expires 2023)

PC57.19.100 Guide for Application of Power Apparatus Bushings

(expires 2023)

All PARs have a life of 4 Years

PARs for Revisions (approved until 31 December, 2020)

(continued)

PC57.152 Guide for Diagnostic Field Testing of Liquid-

Filled Power Transformers, Regulators, and

Reactors (expires 2023)

PC57.169 Guide for Determination of Maximum Winding

Temperature Rise in Liquid-Immersed

Transformers (formerly Std 1538)

All PARs have a life of 4 Years

PAR Extensions approved

PC57.12.44 Standard Requirements for Secondary Network Protectors

PAR Modifications approved(Modifications do not change the expiration date)

PC57.13.8 Standard Requirements for Station Service Voltage Transformers

PARs for Corrigenda approved

PC57.13.-2016/Cor 1 Standard Requirements for Instrument Transformers

(Corrigenda do not change the expiration date)

PC57.13.8 Standard Requirements for Station Service Voltage Transformers(extension is on the NesCom 6 Nov, 2019 agenda)

PC57.12.60 Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers

(extension is on the NesCom 6 Nov, 2019 agenda)

PC57.160 Guide for the Electrical Measurement of Partial Discharges in High Voltage Bushings and Instrument Transformers

(extension is on NesCom thethe 6 Nov, 2019 agenda)

PC57.116 Guide for Transformers Directly Connected to Generators

(revision PAR is on the NesCom 6 Nov, 2019 agenda)

PARs have a four year life cycle, from the calendar year of

Standards Board approval.

A PAR approved in January 2019 expires December 31,

2023.

A PAR approved in December 2019 expires December 31,

2023.

Standards have a ten year life cycle, from the calendar year

of Standards Board

Example: C57.12.20 Approved 09/28/2017Expires 12/31/2027

Standards Board Meeting Submission Deadline

Rev Com Jan 8 teleconference

NesCom Jan 21 teleconference3 December, 2019

March 2020 24 January, 2020

June 2020 24 April, 2020

September 2020 14 August, 2020

December 2020 13 October, 2020

October 13th

2020

Status - Active PARs (refer to page 6 of the standards report)

55 Active PARS as of March 21,2019

• On a RevCom Agenda - 2

• In Comment Resolution - 5

• In Sponsor Ballot - 1

• In Ballot Invitation - 1

•Draft Development - 46

Active PARS - Ballot Status (refer to page 5 of the standards report)

Nine activities in sponsor ballot

as of 21 March, 2019

• 2 activities are on a RevCom agenda

• 5 activities are in sponsor ballot comment resolution

• 1 activity is in sponsor ballot

• 1 activity is in sponsor ballot invitation

55 Active PARS as of 20 September, 2019

3 PARs expire December 31, 2019

• In Comment Resolution - 2

• On a RevCom Agenda - 1

Status - Active PARs (refer to page 6 of the standards report)

55 Active PARS as of 20 September, 2019

13 PARs expire December 31, 2020

• Draft Development - 9

• In Comment Resolution - 2

• In Sponsor Ballot - 1

• On a RevCom Agenda - 1

Status - Active PARs (refer to page 6 of the standards report)

55 Active PARS as of 20 September, 2019

17 PARs expire December 31, 2021

• On a RevCom Agenda - 1

• In Comment Resolution - 1

• In Ballot - 1

•Draft Development - 14

11 PARs expire December 31, 2022

• Draft Development - 11

Status - Active PARs (refer to page 6 of the standards report)

3 Incomplete Standards expired in 2018

• 1 standard intentionally allowed to expire

• 2 standards in comment resolution

Status – Standards (refer to page 13 of the standards report)

6 Standards scheduled to expire in 2019

• 2 intentionally allowed to expire in Dec 2019

• 1 is on a RevCom agenda

• 1 is in Comment resolution

• 2 are in draft development

Status – Standards (refer to page 13 of the standards report)

12 Standards expire in 2020

• 1 standard intentionally allowed to expire

• 1 is on a RevCom agenda

• 1 is in ballot

• 7 standards are in WG draft development

• 2 standards have no active PARS

Status – Standards (refer to page 13 of the standards report)

10 Standards scheduled to expire in 2021

• 1 is ballot invitation

• 7 standards are in draft development

• 2 have no active PAR

Standards scheduled to expire in 2022

• 6 standards are in draft development

• 2 have no active PAR

Status – Standards (refer to page 13 of the standards report)

I. IEEE Standards Template – Michelle Turner

II. Continuous Revision of C57.12.00 & C57.12.90 – Jim Graham

❑Q&A - all

I. WG Officer Duties

II. AMS Training

❑Q&A - all

James Graham, P.E.

Transformers Committee

Standards Coordinator

Email: jimgraham@ieee.org