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IEEE 1776 2009

$37.38

IEEE Recommended Practice for Thermal Evaluation of Unsealed or Sealed Insulation Systems for AC Electric Machinery Employing Form-Wound Pre-Insulated Stator Coils for Machines Rated 15 000 V and Below

Published By Publication Date Number of Pages
IEEE 2009 25
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New IEEE Standard – Active. A test procedure (Combination of IEEE Std 275-1992 and IEEE Std 429-1994) for comparing two or more 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 pre-insulated stator coils rated 15000 V and below

PDF Catalog

PDF Pages PDF Title
1 IEEE 1776™-2008
3 Title page
6 Introduction
Notice to users

Laws and regulations
Copyrights
Updating of IEEE documents
7 Errata
Interpretations
Patents
8 Participants
10 Contents
11 IMPORTANT NOTICE
1. Overview
1.1 Scope 1
12 1.2 Purpose
1.3 General conditions
1.4 Methods of evaluation
13 2. Normative references
3. Definitions
14 4. Test models
4.1 General
4.2 Construction of test models
18 5. Text exposure
5.1 General
5.2 Temperature exposure
20 5.3 Mechanical stress exposure
5.4 Moisture exposure by humidification
21 5.5 Voltage exposure after humidification
22 5.6 Water immersion test (for sealed systems only)
5.7 Failure criteria
6. Procedures for reporting and analyzing results
6.1 Data
23 6.2 Analysis
6.3 Comparison
6.4 Extrapolation
6.5 Nonlinear or dissimilar curves
6.6 System identification
24 Annex A (informative)Photos of various formette frames
25 Annex B (informative)Bibliography
IEEE 1776 2009
$37.38