Projects and standards

Power transformers - Part 25: Neutral grounding resistors

50.60 Close of voting. Proof returned by secretariat

Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors

10.99 New project approved

Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment

10.99 New project approved

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers for general applications

40.60 Close of voting

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for medical IT systems for the supply of medical locations

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-2: Particular requirements and tests for control transformers and power supply units incorporating control transformers

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors

50.60 Close of voting. Proof returned by secretariat

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications

60.55 Ratification completed (DOR)

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers for general applications

60.55 Ratification completed (DOR)

Power transformers - Part 1: General

60.60 Standard published

Power transformers - Part 10: Determination of sound levels

60.60 Standard published

Power transformers - Part 13: Self-protected liquid-filled transformers

60.60 Standard published

Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials

60.60 Standard published

Power transformers - Part 16: Transformers for wind turbines applications

60.60 Standard published

Power transformers - Part 18: Measurement of frequency response

60.60 Standard published