FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 General considerations
3.1 Relationship to IEC 60034-18-1
3.2 Thermomechanical ageing process
3.3 Designation of test procedure
3.4 Reference insulation system
4 Test specimens and test objects
4.1 Construction
4.2 Number of test specimens
5 Heating and cooling cycles
5.1 Temperature and length of heating and cooling cycles
5.2 Number of cycles
6 Test Procedure 1 for bars/coils in model slots
6.1 Model slot
6.2 Support for end parts of test objects
6.3 Methods of heating
6.4 Methods of cooling
7 Test Procedure 2 for unrestrained bars/coils
7.1 Positioning the bars/coils for test
7.2 Method of heating
7.3 Method of cooling
8 Diagnostic tests
8.1 Initial quality control and diagnostic tests
8.2 Suggested diagnostic tests on individual bars/coils
8.3 Recommended frequency of diagnostic tests
8.4 Final diagnostic tests
8.5 Criterion for qualification
9 Analysis and reporting
Figures