HVI has led the industry in manufacturing the most portable and easiest to use VLF test instruments since 1998. The E Series represents the apex of these efforts with the most advanced features and ...

Testing medium-voltage (MV) cables with the high-potential (“hi-pot”) test is typically part of an MV cable testing program. In Parts 4 and 5, we looked at the DC and AC versions of this test. The ...

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 ...