Projects

Specific test methods for determining losses and efficiency of water submersible motors

20.99   WD approved for registration as CD

Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Application guide

50.00   Final text received or FDIS registered for formal approval

Rotating machinery - Part 27-8: Detection of interturn short-circuits in rotor windings of cylindrical rotor synchronous generator

20.99   WD approved for registration as CD

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)

40.60   Close of voting

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

60.00   Standard under publication

Rotating electrical machines - Part 33: Synchronous hydrogenerators including motor-generators - Specific requirements

40.20   DIS ballot initiated: 12 weeks

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

30.60   Close of voting/ comment period

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

30.60   Close of voting/ comment period

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

Amendment 2 - IEC standard voltages

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

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

40.60   Close of voting

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

60.00   Standard under publication

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

50.60   Close of voting. Proof returned by secretariat

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

40.99   Full report circulated: DIS approved for registration as FDIS