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IEEE 400.2
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IEEE 400.2 2013 Edition, March 6, 2013 Guide for Field Testing of Shielded Power Cable Systems Using Very Low Frequency (VLF) (less than 1 Hz)
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Description / Abstract:
This guide describes VLF withstand and other diagnostic tests
and the measurements that are performed in the field on
service-aged shielded medium and high-voltage cables rated 5 kV
through 69 kV with extruded and laminated insulation. VLF test
methods utilize ac signals at frequencies less than 1 Hz. The most
commonly used, commercially available, VLF test frequency is 0.1
Hz. Whenever possible, cable systems are treated in a similar
manner to individual cables. Tables are included of the recommended
test voltage levels for installation, acceptance, and maintenance
tests.
Purpose
This guide is intended to provide troubleshooting and testing personnel with information to test shielded medium- and high-voltage cable systems rated 5 kV through 69 kV using VLF ac techniques.
Purpose
This guide is intended to provide troubleshooting and testing personnel with information to test shielded medium- and high-voltage cable systems rated 5 kV through 69 kV using VLF ac techniques.