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IEEE 429 1994

$53.08

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

Published By Publication Date Number of Pages
IEEE 1994 16
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Revision Standard – Inactive – Withdrawn. A test procedure for comparing two or more sealed insulation systems in accordance with their expected life at rated temperature is outlined. The procedure is limited to insulation systems for alternating-current (ac) electrical machines using form-wound preinsulated stator coils rated 6900 V and below.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
5 CONTENTS
7 1. Overview
1.1 Scope
1.2 Purpose
8 1.3 General conditions
1.4 Methods of evaluation
2. References
9 3. Test models
3.1 Scope
3.2 Models
10 4. Test exposure
4.1 Scope
12 4.2 Temperature exposure
13 4.3 Mechanical stress exposure
4.4 Moisture exposure by humidification
14 4.5 Voltage exposure after humidification
4.6 Moisture exposure by water immersion
15 4.7 Voltage exposure during water immersion
4.8 Failure criteria
5. Procedure for reporting and analyzing
5.1 Data
5.2 Analysis
5.3 Comparison
5.4 Extrapolation
16 5.5 Nonlinear or dissimilar curves
5.6 System identification
IEEE 429 1994
$53.08