Table of Contents

1 Overview
  1.1 Scope
  1.2 Purpose
  1.3 General conditions
  1.4 Methods of evaluation
2 Normative references
3 Definitions
4 Test models
  4.1 General
  4.2 Construction of test models
5 Text exposure
  5.1 General
  5.2 Temperature exposure
  5.3 Mechanical stress exposure
  5.4 Moisture exposure by humidification
  5.5 Voltage exposure after humidification
  5.6 Water immersion test (for sealed systems only)
  5.7 Failure criteria
6 Procedures for reporting and analyzing results
  6.1 Data
  6.2 Analysis
  6.3 Comparison
  6.4 Extrapolation
  6.5 Nonlinear or dissimilar curves
  6.6 System identification
Annex A (informative) Photos of various formette frames
Annex B (informative) Bibliography

Abstract

Describes test procedures for comparing two or more unsealed or sealed insulation systems in accordance with their expected life at rated temperature.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN