Projects

Environmental testing - Part 3-8: Supporting documentation and guidance - Selecting amongst vibration tests

30.99   CD approved for registration as DIS

Insulation co-ordination - Part 1: Definitions, principles and rules

40.60   Close of voting

Insulation co-ordination - Part 14: Application procedures for AC/DC filters

40.60   Close of voting

Insulation co-ordination — Part 15: Insulation co-ordination for DC transmission lines

30.60   Close of voting/ comment period

Insulation co-ordination - Part 2: Application guidelines

30.99   CD approved for registration as DIS

Instructions for simulation-based insulation coordination and modelling of electrical networks

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks

Basic and safety principles for man-machine interface, marking and identification - Coding principles for indicators and actuators

30.99   CD approved for registration as DIS

Power transformers - Part 1: General

30.99   CD approved for registration as DIS

Power Transformers - Part 17: Transformers for photovoltaic power generation, battery storage, electric vehicle supply and hydrogen generation

20.99   WD approved for registration as CD

Power transformers - Part 19-1: Rules for the determination of uncertainties in the measurement of the losses on power transformers

30.99   CD approved for registration as DIS

Power transformers - Part 19-2: Rules for the determination of uncertainties in the measurement of the losses of reactors

30.20   CD study/ballot initiated

Power transformers - Part 2: Temperature rise for liquid-immersed transformers

30.99   CD approved for registration as DIS

Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators

20.99   WD approved for registration as CD

Power transformers - Part 22-1: Power transformer and reactor fittings - Protective devices

20.99   WD approved for registration as CD

Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings

20.99   WD approved for registration as CD

Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks

20.99   WD approved for registration as CD

Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors

60.00   Standard under publication

Power transformers - Part 5: Ability to withstand short circuit

30.20   CD study/ballot initiated