James Graham, P.E. Standards Coordinator Transformers Committee

James Graham, P.E. Standards Coordinator Transformers Committee

Standards approved PARs approved Ballot Status PARs Status Standards Status

NEW Standards approved PC57.13.7 REVISIONS approved - Standard for Current Transformers with a Maximum ma Secondary Current of 250mA C57. 12.23 Standard for Submersible Single-Phase Transformers: 250 kva and Smaller; High Voltage 34 500GrdY/19 920V and Below; Low Voltage 600 V and Below PC57.105 PC57.127 Guide for Application of Transformer Connections in Three-Phase Electrical Systems Guide for the Detection, Location and Interpretation of Sources of Acoustic Emissions from Electrical Discharges in Power Transformers and Power Reactors NOTE: Standards have a life of Ten (10) Years

Pending Standards Approvals C57.12.32 PC57.12.51 PC57.93 Standard for Submersible Equipment - Enclosure Integrity (on the 2 May, 2019 RevCom agenda) Guide for Mechanical Interchangeability of Ventilated Dry Type Transformers (on the 2 May, 2019 RevCom agenda) Guide for Installation and Maintenance of Liquid- Immersed Power Transformers (on the 20 March, 2019 RevCom agenda) P60214-2 Tap-Changers - Part 2: Application Guide (on the 2 May, 2019 RevCom agenda)

PARs for New Standards (approved until 31 December, 2020) PC57.32.10 PARs for Revisions Guide for the Selection of Neutral-Grounding Devices for High Voltage Direct Current (HVDC) Converter Transformers (Entity) (All expire as noted) PC57.12.20 Standard for Overhead-Type Distribution Transformers 500 kva and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below (expires 2023) 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 (expires 2023) All PARs have a life of 4 Years

PARs for Revisions (approved until 31 December, 2020) PC57.12.30 Standard for Pole-Mounted Equipment - Enclosure Integrity for Coastal Environments (expires 2023) PC57.12.31 Standard for Pole Mounted Equipment - Enclosure Integrity (expires 2023) PC57.98 PC57.100 Guide for Transformer Impulse Tests (expires 2022) Standard Test Procedure for the Thermal Evaluation of Insulation Systems for Liquid- Immersed Distribution, Power and Regulating Transformers (expires 2022)

PAR Extensions approved (extended as noted) P1276 Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Distribution, Power and Regulating Transformers (December 2020) P62014-25 Tap-Changers - Part 2: Application Guide (December 2019) PC57.12.23 PC57.12.51 PC57.21 Standard for Submersible Single-Phase Transformers: 250 kva and Smaller; High Voltage 34 500GrdY/19 920V and Below; Low Voltage 600 V and Below (December 2019) Guide for Mechanical Interchangeability of Ventilated Dry Type Transformers (December 2020) Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kva (December 2020)

PAR Modifications approved (Modifications do not change the expiration date) PC57.104 Guide for the Interpretation of Gases Generated in Oil- Immersed Transformers PC57.13.8 Standard Requirements for Station Service Voltage Transformers PARs for Corrigenda approved (none)

PC57.12.40 PC57.13.8 PC57.19.100 PC57.169 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) Standard Requirements for Station Service Voltage Transformers Guide for Application of Power Apparatus Bushings Guide for Determination of Maximum Winding Temperature Rise in Liquid-Immersed Transformers PC57.13-2016/Cor 1 Standard Requirements for Instrument Transformers

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 09/28/2017 Expires 12/31/2027

Stds. Board Meeting Submission Deadline May 2019 (teleconference) 22 March, 2019 June 2019 23 May, 2019 September 2019 (teleconference) 26 July, 2019 November 2019 17 September, 2019 Note the last submission deadline is one month earlier this year. The next Transformers Committee meeting is 27-31 October, 2019

September 17 th 2019

Status - Active PARs (refer to page 6 of the standards report) 53 Active PARS as of March 21,2019 On a RevCom Agenda - 4 In Comment Resolution - 3 In Recirculation review - 1 In Sponsor Ballot - 1 Draft Development - 44

Active PARS - Ballot Status (refer to page 5 of the standards report) Nine activities in sponsor ballot as of 21 March, 2019 4 activities are on a RevCom agenda 3 activities are in sponsor ballot comment resolution 1 activity is in sponsor ballot recirculation 1 activity is in sponsor ballot

Status - Active PARs (refer to page 6 of the standards report) 53 Active PARS as of 21 March, 2019 7 PARs expire December 31, 2019 Draft Development - 3 In Comment Resolution - 1 In Ballot Recirculation - 1 On a RevCom Agenda - 2

Status - Active PARs (refer to page 6 of the standards report) 53 Active PARS as of 21 March, 2019 15 PARs expire December 31, 2020 Draft Development - 11 In Comment Resolution - 1 In Sponsor Ballot - 1 On a RevCom Agenda - 2

Status - Active PARs (refer to page 6 of the standards report) 53 Active PARS as of 21 March, 2019 16 PARs expire December 31, 2021 Draft Development - 16 53 Active PARS as of 21 March, 2019 11 PARs expire December 31, 2022 Draft Development - 11

Status Standards (refer to page 13 of the standards report) 7 Incomplete Standards expired in 2018 1 standard intentionally allowed to expire 3 standards are on a RevCom agenda 1 standard is in sponsor ballot recirculation 1 standard is in sponsor ballot comment resolution 1 standard is in sponsor ballot

Status Standards (refer to page 13 of the standards report) 6 Standards scheduled to expire in 2019 4 standards are in draft development 2 standards will intentionally expire in Dec 2019 12 Standards expire in 2020 9 standards are in WG draft development 3 standards have no active PARS

Status Standards (refer to page 13 of the standards report) 10 Standards scheduled to expire in 2021 1 standard is on a NesCom agenda 7 standards are in draft development 2 have no active PAR 10 Standards scheduled to expire in 2022 1 standard is on a NesCom agenda 5 standards are in draft development 2 have no active PAR

I. IEEE Copyright Policy Malia Zaman II. WG Basics: The PAR Process Jim Graham Q&A - all

I. Starting a Working Group II. WG Officer Duties III. AMS Training Q&A - all

James Graham, P.E. Transformers Committee Standards Coordinator Email: jimgraham@ieee.org