FOREWORD
1 Scope and object
2 Normative references
3 Terms, definitions and abbreviations
4 Proposed approaches for the selection and
dimensioning of an insulator
5 Input parameters for the selection and dimensioning
of insulators
6 System requirements
7 Environmental conditions
8 Evaluation of site pollution severity (SPS)
9 Insulation selection and dimensioning
Annex A (informative) - Flowchart representation of the
design approaches
Annex B (informative) - Pollution flashover mechanisms
Annex C (normative) - Measurement of ESDD and NSDD
Annex D (normative) - Evaluation of type B pollution severity
Annex E (normative) - Directional dust deposit gauge
measurements
Annex F (normative) - Use of laboratory test methods
Annex G (normative) - Deterministic and statistical
approaches for artificial pollution
test severity and acceptance criteria
Annex H (informative) - Example of a questionnaire to
collect information on the
behaviour of insulators in polluted areas
Annex I (informative) - Form factor
Annex J (informative) - Correspondence between specific
creepage distance and USCD
Bibliography