The High Voltage, Inc. VLF series of AC Hipots enables utilities to economically AC field-test cables and electrical apparatus instead of DC testing. A VLF unit is an AC hipot with a 0.1 Hz or lower ...
Why is VLF Hipot testing becoming more important in modern power networks? VLF Hipot testing is widely used for assessing the insulation condition of medium- and high-voltage cables, particularly XLPE ...
The measurement engineer can view the values from tan δ and partial-discharge testing directly in the cable test van. Clear representation helps to detect severe defects or locate partial discharges ...
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