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IEEE 522 1992

$54.17

IEEE Guide for Testing Turn-to-Turn Insulation on Form-Wound Stator Coils for Alternating-Current Rotating Electric Machines

Published By Publication Date Number of Pages
IEEE 1992 19
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Revision Standard – Inactive – Superseded. (Revision of IEEE Std 522-1977) and Superseded by 522-2004 (SH95212/SS95212) Suggestions are made for testing the dielectric strength of the insulation separating the various turns from each other within multiturn form-wound coils to determine their acceptability. Typical ratings of machines employing such coils normally lie within the range of 200 kW to 100 MW. The test voltage levels described do not evaluate the ability of the turn insulation to withstand abnormal voltage surges, as contrasted to surges associated with normal operation. The suggestions apply to: (1) individual stator coils after manufacture; (2) coils in completely wound stators of original manufacture; (3) coils and windings for rewinds of used machinery; and (4) windings of machines in service to determine their suitability for further service (preventive-maintenance testing). Coil service conditions, test devices, and test sequence are discussed. High-frequency test levels for new coils during winding, and for applying surge tests to complete windings, are given.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
4 CONTENTS
5 1. Introduction
2. Scope and Reference
6 3. Service Conditions
4. Suggested Test Devices
7 5. Test Sequence
6. High-Frequency Test Levels for New Coils
9 7. Maintenance Tests or Tests After Installation of Machines
10 8. Bibliography
14 Annex A—Test Procedures and Methods
19 Annex B—Sample Text Form
IEEE 522 1992
$54.17