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PEL/14 - Power transformers

Sector: Sustainability

Categories: Connecting devices | Electronic component assemblies | Electroacoustics | Switchgear and controlgear. High voltage | Wind turbine energy systems | Cables | Relays | Noise. Machines and equipment | Emission | Valves. Gate | Transformers. Reactors | Switches | | Radiation protection | Audio, video and audiovisual equipment. Other | Ignitability and burning behaviour. Materials and products | Multilayer applications | Power transmission and distribution networks. General | Boilers and heat exchangers | Hydraulic energy engineering | Housings, enclosures, other machine parts | Heat exchangers | Insulation systems | Ships and marine structures. Electrical equipment | Electrical engineering. General

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to the work of IEC/TC 14 and CLC/TC 14 standards for power transformers, on-load tap-changers and reactors, without limitation of voltage or power except for the following: Instrument transformers, testing transformers and traction transformers mounted on rolling stock and welding transformers.

Committee standards activity

In Progress (18)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

TC14/Sec0617/DC, Definition of the similarity of MPT <3150kVA transformers for short circuit withstand assessment

Categories: Information management | Standardization. General rules | Engineering | Electrical engineering | Electrical engineering. General | Electrical accessories | Connecting devices | Transformers. Reactors

Proposal begins : 2020-07-30
Proposal
PNW 14-1142 ED1: Power Transformers - Part 9: Terminal and tapping markings for power transformers

Categories: Information management | Standardization. General rules

Proposal begins : 2025-03-04
Proposal
PD CLC/TS 50675 Power transformer energy performance

Categories: Unclassified documents

Proposal begins :
Proposal
IEC 14/1102/NP Technical guideline for the Application, Specification, and Testing of Phase-Shifting Transformers

Categories: Information management | Standardization. General rules | Engineering | Electrical engineering | Transformers. Reactors

Proposal begins : 2023-02-10
Proposal
BS EN IEC/IEEE 60076-57-1202 Power transformers - Part 57-1202: Liquid immersed phase-shifting transformers

Categories: Unclassified documents

Drafting begins : 2023-04-12
Drafting
BS EN IEC 60076-6 ED2 BS EN 60076-6 ED2 Power transformers. Part 6: Reactors

Categories: Transformers. Reactors

Public comment begins : 2023-12-07
Public comment
BS EN IEC 60076-5 BS EN 60076-5 Ed.4.0 Power transformers. Part 5: Ability to withstand short circuit

Categories: Transformers. Reactors

Public comment begins : 2021-12-24
Public comment
BS EN IEC 60076-2 ED4 BS EN 60076-2 Ed4 Power transformers. Part 2: Temperature rise for liquid-immersed transformers

Categories: Transformers. Reactors

Public comment begins : 2023-06-07
Public comment
BS EN IEC 60076-1 BS EN 60076-1 Power transformers. Part 1: General

Categories: Transformers. Reactors

Public comment begins : 2023-06-07
Public comment
BS EN 60076-57-135 Ed.1.0 Technical guideline for the Application, Specification, and Testing of Phase-Shifting Transformers

Categories: Unclassified documents

Drafting begins : 2025-11-05
Drafting
Published (61)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PD IEC/TS 60076-23:2018 Power transformers. DC magnetic bias suppression devices

Categories: Transformers. Reactors

Published standard begins : 2018-02-08
Published standard
PD IEC TR 60076-26:2020 Power transformers. Functional requirements of insulating liquids for use in power transformers

Categories: Transformers. Reactors

Published standard begins : 2020-04-03
Published standard
BS IEC/IEEE 60214-2:2019 TAP-changers. Application guidelines

Categories: Transformers. Reactors

Published standard begins : 2019-06-25
Published standard
BS IEC 61378-3:2015 Converter transformers. Application guide

Categories: Transformers. Reactors

Published standard begins : 2015-02-24
Published standard
BS IEC 60076-7:2018 Power transformers. Loading guide for mineral-oil-immersed power transformers

Categories: Transformers. Reactors

Published standard begins : 2018-02-14
Published standard
BS IEC 60076-21:2018 Power transformers. Standard requirements, terminology, and test code for step-voltage regulators

Categories: Transformers. Reactors

Published standard begins : 2018-12-19
Published standard
BS IEC 60076-15:2015 Power transformers. Gas-filled power transformers

Categories: Transformers. Reactors

Published standard begins : 2015-06-26
Published standard
BS IEC 60076-10-1:2016+A1:2020 Power transformers. Determination of sound levels. Application guide

Categories: Transformers. Reactors

Published standard begins : 2020-11-13
Published standard
BS EN IEC/IEEE 60076-57-1202:2025+A11:20 Power transformers. Liquid immersed phase-shifting transformers

Categories: Transformers. Reactors

Published standard begins : 2025-05-07
Published standard
BS EN IEC 60076-25:2023 Power transformers. Neutral grounding resistors

Categories: Transformers. Reactors

Published standard begins : 2023-04-12
Published standard
Withdrawn (42)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PD IEC/TS 60076-20:2017 Power transformers. Energy efficiency

Categories: Transformers. Reactors

Withdrawn begins : 2018-07-02
Withdrawn
PD IEC/TS 60076-19:2013 Power transformers. Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors

Categories: Transformers. Reactors

Withdrawn begins : 2013-04-26
Withdrawn
DD IEC/TS 60076-14:2009 Power transformers. Design and application of liquid-immersed power transformers using high-temperature insulation materials

Categories: Transformers. Reactors

Withdrawn begins : 2016-10-03
Withdrawn
BS IEC/IEEE 60076-57-1202:2017 Power transformers. Liquid immersed phase-shifting transformers

Categories: Transformers. Reactors

Withdrawn begins : 2025-05-07
Withdrawn
BS IEC 60076-7:2005 Power transformers. Loading guide for oil-immersed power transformers

Categories: Transformers. Reactors

Withdrawn begins : 2018-02-14
Withdrawn
BS IEC 60076-21:2011 Power transformers. Standard requirements, terminology, and test code for step-voltage regulators

Categories: Transformers. Reactors

Withdrawn begins : 2018-12-19
Withdrawn
BS IEC 60076-10-1:2016 Power transformers. Determination of sound levels. Application guide

Categories: Transformers. Reactors

Withdrawn begins : 2020-11-13
Withdrawn
BS EN IEC 60076-22-7:2020 Power transformers. Power transformer and reactor fittings. Accessories and fittings

Categories: Transformers. Reactors

Withdrawn begins : 2023-08-15
Withdrawn
BS EN 61378-1:2011 Convertor transformers. Transformers for industrial applications

Categories: Transformers. Reactors

Withdrawn begins : 2012-04-12
Withdrawn
BS EN 60726:2003 Dry-type power transformers

Categories: Transformers. Reactors

Withdrawn begins : 2007-06-28
Withdrawn