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Publication details

Publication CODE Title
IEC 60034-18-31:2012 (2012-06) 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
 
Price Excl. VAT Total number of pages, tables and drawings
201.00 € 54 P..
Description
IEC 60034-18-31:2012 describes thermal endurance test procedures for classification of insulation systems used in a.c. or d.c. rotating electrical machines with indirect cooling and form-wound windings. These test procedures are intended to compare the thermal endurance performance of the mainwall insulation between conductor(s) and ground and, where required by the design of the coil or bar, the insulation between the turns. The main technical changes with regard to the previous edition include:
- Definition of the test method and sub-cycles required to establish a consistent standardized platform for thermal ageing of insulation systems for form-wound windings.
- Recommendations for establishing a thermal life curve based on confidence intervals.
- Comparison of candidate and reference system performance for specific requirements of thermal class, within feasible limits. Keywords: rotating machinery, insulation systems
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN/FR version

Status
Status IEC PUBLICATION
Situation Currently active
Replaces  IEC 60034-18-31:1992
Replaces  IEC 60034-18-31:1992/AMD1:1996
Origin
Committee TC 2
ROTATING MACHINERY
Responsible Ir DELENS Marc
Approval
BEC Approval 2012-06-25
Registration 127463
ICS-Code (International Standards Classification) 29.160.01
NBN Status New
IEC publication date 2012-06-25
IEC stability date 2020-12-31
IEC last modification date 2020-01-02