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IEEE 433 1974

$58.50

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
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New IEEE Standard – Inactive – Withdrawn. Withdrawn Standard. Withdrawn Date: Jan 16, 2004.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
IEEE 433 1974
$58.50