Table of Contents

1 Overview
  1.1 Scope
  1.2 Purpose
2 References
3 Definitions
  3.1 General definitions
  3.2 Definitions related to electric equipment
  3.3 Definitions related to the evaluation of thermal
       capability
4 General concepts
  4.1 Temperature measurement
  4.2 Additional aging factors
  4.3 Limits of temperature
5 Basic considerations in the preparation of standards
  5.1 Service experience
  5.2 General principles for temperature limits
  5.3 Purpose of life testing
6 Evaluation of the thermal capability of EIM
  6.1 Thermal aging
  6.2 TI and relative temperature index (RTI) of an EIM
  6.3 Determination of TI for EIM by test
  6.4 Determination of material TI by experience
7 Limiting temperatures and their measurement for EIS
  7.1 Derivation of temperature rise
  7.2 Methods of temperature determination
  7.3 Effects of altitude
8 Thermal evaluation of EIS
  8.1 Temperature classification of EIS
  8.2 EIS classes
  8.3 Thermal evaluation test procedures for EIS
Annex A (informative) - Illustration of thermal endurance
        graph, TI, RTI, and HIC
Annex B (informative) - Bibliography

Abstract

Intended to serve in the preparation of standards that are principally concerned with the thermal endurance of EIM and simple combinations thereof, with the establishment of limiting temperatures of EIS, and with the provision of general principles for thermal classification of EIS.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT 1 : D4.0 2000