Projects

Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code)

40.20   DIS ballot initiated: 12 weeks

Rotating electrical machines - Part 32: Measurement of stator end-winding vibration at form-wound windings

60.00   Standard under publication

Rotating electrical machines - Part 37: Product data and properties for the information exchange

30.20   CD study/ballot initiated

Guidelines for condition-based evaluation and maintenance of cylindrical-rotor synchronous generators

20.99   WD approved for registration as CD

Adjustable speed hydro power units including pumped storage application – Terms and definition

30.20   CD study/ballot initiated

Adjustable speed hydro power units including pumped storage application – Doubly-fed induction machine

20.99   WD approved for registration as CD

Rotating electrical machines - Part 6: Methods of cooling (IC Code)

20.99   WD approved for registration as CD

Rotating electrical machines - Part 8: Terminal markings and direction of rotation

60.00   Standard under publication

Amendment 2 (Fragment 1) - Standard voltages for LVDC supply and LVDC equipment (Proposed horizontal standard)

40.60   Close of voting

Amendment 2 (Fragment 2) - Standard voltages for HVDC supply and HVDC equipment (Proposed horizontal standard)

40.60   Close of voting

Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines

30.99   CD approved for registration as DIS

Updates to 871-01, 02 and 05 parts of IEC 60050-871

40.60   Close of voting

IEC 60050-602 International Electrotechnical Vocabulary (IEV) - Part 602: Generation, transmission and distribution of electricity - Generation

40.99   Full report circulated: DIS approved for registration as FDIS

IEC 60050-603 International Electrotechnical Vocabulary (IEV) - Part 603: Generation, transmission and distribution of electricity - Power systems planning and management

40.99   Full report circulated: DIS approved for registration as FDIS

IEC 60050-605:AMDInternational Electrotechnical Vocabulary (IEV) - Part 605: Generation, transmission and distribution of electricity - Substations

40.60   Close of voting

Request to update the IEV with the current edition (Edition 3) of ISO/IEC 20924:2024

20.99   WD approved for registration as CD

CR for IEV 421 Power transformers and reactors

40.99   Full report circulated: DIS approved for registration as FDIS

International Electrotechnical Vocabulary (IEV) - Part 192: Dependability - Amd.5A

40.60   Close of voting