Table of Contents

1. Overview
   1.1 Purpose
   1.2 Scope
2. Thermal overloads
   2.1 Causes
   2.2 Effects
   2.3 Thermal limit curve
3. Presentation
   3.1 Dependent variables
   3.2 Current scale
   3.3 Time scale
   3.4 Conditions represented
   3.5 Acceleration curve
   3.6 Curves at multiple voltages
   3.7 Additional information
4. Application
   4.1 Caution
   4.2 Starting from reverse rotation
   4.3 Margins
5. Bibliography

Abstract

Describes thermal limit curves for induction machines, establishes a standard procedure for the presentation of these curves, and provides guidance for the interpretation and use of these curves for machine thermal protection.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT 620 : DEC 95