FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviations
4 Identification
5 Environmental conditions
6 Transport, storage and installation
7 Hybrid insulators
8 Tolerances
9 Classification of tests
9.1 Design tests
9.2 Type tests
9.3 Sample tests
9.4 Routine tests
10 Design tests
10.1 General
10.2 Test specimens for IEC 62217
10.2.1 Tests on interfaces and connections of end
fittings
10.2.2 Tracking and erosion test
10.2.3 Tests on core material
10.3 Product specific pre-stressing for IEC 62217
10.3.1 Sudden load release
10.3.2 Thermal-mechanical pre-stress
10.4 Assembled core load-time tests
10.4.1 Test specimens
10.4.2 Mechanical load test
11 Type tests
11.1 Electrical tests
11.2 Damage limit proof test and test of the
tightness of the interface between end
fittings and insulator housing
11.2.1 Test specimens
11.2.2 Performance of the test
11.2.3 Evaluation of the test
12 Sample tests
12.1 General rules
12.2 Verification of dimensions (E1 + E2)
12.3 Verification of the end fittings (E2)
12.4 Verification of tightness of the interface
between end fittings and insulator housing
(E2) and of the specified mechanical load,
SML (E1)
12.5 Galvanizing test (E2)
12.6 Re-testing procedure
13 Routine tests
13.1 Mechanical routine test
13.2 Visual examination
Annex A (informative) Principles of the damage limit,
load coordination and testing for composite
suspension and tension insulators
Annex B (informative) Example of two possible devices
for sudden release of load
Annex C (informative) Guidance on non-standard mechanical
stresses and dynamic mechanical loading of
composite tension/suspension insulators
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography