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IEEE 275 1992

$46.04

IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for Alternating-Current Electric Machinery Employing Form-Wound Preinsulated Stator Coils for Machines Rated 6900 V and Below

Published By Publication Date Number of Pages
IEEE 1992 14
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Revision Standard – Inactive – Withdrawn. Withdrawn Standard. Withdrawn Date: Jan 16, 2004. No longer endorsed by the IEEE. A test procedure for comparing two or more insulation systems in accordance with their expected life at rated temperature is described. The procedure is limited to insulation systems for ac electric machines using form-wound preinsulated stator coils and rated 6900 V and below. This procedure is intended to evaluate insulation systems for use in usual service conditions with air cooling. It does not cover such special requirements as machines that are enclosed in gas atmospheres, or that are subjected to strong chemicals, to metal dust, or to submersion in liquids, etc. The procedure includes instructions for testing candidate systems in comparison with known systems having a proven record of service experience and interpretation of the results. You will receive an email from Customer Service with the URL needed to access this publication online.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
4 CONTENTS
5 1. Introduction
1.1 Scope
1.2 Purpose
1.3 General Conditions
6 1.4 Methods of Evaluation
2. References
7 3. Test Models
3.1 Scope
3.2 Models
4. Test Exposures
4.1 Scope
8 4.2 Temperature Exposure
11 4.3 Mechanical Stress Exposure
4.4 Moisture Exposure
12 4.5 Voltage Exposure
13 5. Procedure for Reporting and Analyzing
5.1 Data
5.2 Analysis
5.3 Comparison
5.4 Extrapolation
5.5 Nonlinear or Dissimilar Curves
14 5.6 System Identification
IEEE 275 1992
$46.04