SN EN 60034-18-31 : 1994 AMD 1 1996
Current
The latest, up-to-date edition.
ROTATING ELECTRICAL MACHINES - PART 18: FUNCTIONAL EVALUATION OF INSULATION SYSTEMS - SECTION 31: TEST PROCEDURES FOR FORM-WOUND WINDINGS - THERMAL EVALUATION AND CLASSIFICATION OF INSULATION SYSTEMS USED IN MACHINES UP TO AND INCLUDING 50 MVA AND 15 KV
01-12-2013
Introduction
1. Scope
2. Normative references
3. General considerations
3.1 Relationship to Section 1
3.2 Designation of test procedures
3.3 Reference insulation system
3.4 Verification of diagnostic tests
4. Test objects and test specimens
4.1 Construction of test objects
4.2 Number of test specimens
4.3 Quality assurance tests
4.4 Initial diagnostic tests
5. Thermal ageing sub-cycles
5.1 Ageing temperatures and sub-cycle lengths
5.2 Means of heating
5.3 Ageing procedure
6. Diagnostic sub-cycle
6.1 Mechanical test
6.2 Moisture test
6.3 Voltage test
6.4 Other diagnostic tests
7. Analyzing, reporting and classification
Annex A - Formette construction (example)
Figures
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.