Projects
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Industrial valves - Metallic butterfly valves
50.60
Close of voting. Proof returned by secretariat
Rotating electrical machines - Part 1: Rating and performance
50.60
Close of voting. Proof returned by secretariat
Rotating electrical machines – Part 1: Rating and performance
10.99
New project approved
Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
50.99
FDIS or proof approved for publication
Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines
40.60
Close of voting
Amendment 1 - Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems (Type II) - Electrical endurance qualification procedures for form-wound windings
40.60
Close of voting
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 27-5: Off-line measurement of partial discharge inception voltage on winding insulation under repetitive impulse voltage
10.99
New project approved
Rotating electrical machines - Part 27-6: On-line partial discharge measurements of rotating machine windings supplied from a converter
10.99
New project approved
Rotating electrical machines - Part 30-3: Efficiency classes of high voltage AC motors (IE-code)
50.99
FDIS or proof approved for publication
Rotating electrical machines - Part 30-2: Efficiency classes of variable speed AC motors (IE-code)
40.60
Close of voting
Rotating electrical machines - Part 33: Synchronous hydrogenerators including motor-generators - Specific requirements
40.20
DIS ballot initiated: 12 weeks
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 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
40.60
Close of voting
