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