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Rotating electrical machines - Part 27-6: On-line partial discharge measurements of rotating machine windings supplied from an inverter
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines and for synchronous compensators
20.99 WD approved for registration as CD
Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code)
30.60 Close of voting/ comment period
Rotating electrical machines - Part 32: Measurement of stator end-winding vibration at form-wound windings
60.00 Standard under publication
Guidelines for condition-based evaluation and maintenance of cylindrical-rotor synchronous generators
20.99 WD approved for registration as CD
Technical Specifications for adjustable speed pumped storage system and its generator-motor
20.99 WD approved for registration as CD
Rotating electrical machines - Part 8: Terminal markings and direction of rotation
50.00 Final text received or FDIS registered for formal approval
Amendment 2 (Fragment 1) - Standard voltages for LVDC supply and LVDC equipment (Proposed horizontal standard)
40.20 DIS ballot initiated: 12 weeks
Amendment 2 (Fragment 2) - Standard voltages for HVDC supply and HVDC equipment (Proposed horizontal standard)
40.20 DIS ballot initiated: 12 weeks
Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines
30.99 CD approved for registration as DIS
IEC 60050-417: International Electrotechnical Vocabulary (IEV) - Part 417: Marine energy - Wave, tidal and other water current converters
40.99 Full report circulated: DIS approved for registration as FDIS
IEC 60050-421 International Electrotechnical Vocabulary (IEV) Part 421: Power transformers and reactors
50.60 Close of voting. Proof returned by secretariat
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
IEC 60050-614 International Electrotechnical Vocabulary (IEV) - Part 614: Generation, transmission and distribution of electricity - Operation
40.99 Full report circulated: DIS approved for registration as FDIS
IEC 60050-691 International Electrotechnical Vocabulary (IEV) - Part 691: Tariffs for electricity
40.99 Full report circulated: DIS approved for registration as FDIS
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