IEEE 433 1974
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IEEE Recommended Practice for Insulation Testing of Large AC Rotating Machinery with High Voltage at Very Low Frequency
Published By | Publication Date | Number of Pages |
IEEE | 1974 | 15 |
New IEEE Standard – Inactive – Withdrawn. Withdrawn Standard. Withdrawn Date: Jan 16, 2004. Abstract: Terms that have a specific meaning in VLF testing are defined, and VLF test equipment and wave shape are described. A uniform procedure for testing the armature insulation of large AC machines with VLF voltage is provided. Constants for relating VLF tests to power-frequency and direct-voltage tests to obtain equally effective test levels are recommended.
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | Title Page |
3 | Introduction Participants |
4 | CONTENTS |
5 | 1. Scope and Purpose |
6 | 2. Definitions 3. Preparations for Test 3.1 Air-Cooled Machines |
7 | 3.2 Hydrogen-Cooled Machines 3.3 Liquid-Cooled Armataure Windings 3.4 Isolation of the Winding from Cables and Auxiliary Equipment 3.5 Sectionalizing and Winding 4. Safety Considerations 4.1 Area Isolation |
8 | 4.2 Grounding Precautions 4.3 Grounding Provisions 4.4 Safety Checklist 5. General Test Considerations 5.1 Possibility of Failure to Pass Test 5.2 Condition of Winding |
9 | 5.3 Test-Voltage Determination 6. Test Equipment 6.1 Equipment Specifications 6.2 Instrumentation 6.3 Protection of Equipment and Test Specimen 6.4 Power Source to the VLF-Test Equipment 6.5 Operation Check |
10 | 7. Test Connections 7.1 Ground Connections 7.2 High-Voltage-Test Connections 8. Test Procedure 8.1 Voltage Application |
11 | 8.2 Fault Detection 9. Test Results 9.1 Interpretation 9.2 Suggested Test Record 9.3 Comments to Be Recorded |
12 | 10. Standards References 11. Bibliography |
14 | Annex A—General Principles of High-Voltage Testing |