IEEE DRAFT 400.2 : D5 MAR 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DRAFT GUIDE FOR FIELD TESTING OF SHIELDED POWER CABLE SYSTEMS USING VERY LOW FREQUENCY (VLF)
08-03-2005
12-01-2013
1 Overview
1.1 Scope
1.2 Purpose
2 References
3 Definitions and Terminology
4 Safety
4.1 Safety Practices
4.2 Grounding
5 Very Low Frequency Testing (VLF)
5.1 General VLF Testing Parameters
5.2 VLF Testing with Bipolar Pulse Waveform
5.3 VLF Testing with Sinusoidal Waveform
5.4 VLF Testing with Regulated Positive and
Negative DC Voltages
5.5 Tan Delta Test with VLF Sinusoidal Waveform
5.6 Partial Discharge (PD) Test with Sinusoidal
Waveform
5.7 Dielectric Spectroscopy with VLF Sinusoidal
Waveform
6 Conclusion
7 References
Figures
1 Single system ground at test site
Tables
1 Performance of VLF testing methods for selected
criteria
2 Performance of VLF testing methods for selected
cable and/or insulation conditions
3 Suggested Field Test Voltages for Shielded Power
Cable Systems
Describes very low frequency withstand and diagnostic tests and the measurements that are performed in the field on service-aged shielded medium voltage cables with extruded and laminated dielectric insulation. Charts are included as an identifying the effectiveness of the VLF test for various cable insulation problems.
| DocumentType |
Draft
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy |
| IEEE 400-2012 REDLINE | IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above |
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