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High Voltage, Inc. serves the wind industry by providing portable VLF .1Hz Very Low Frequency AC hipots and AC HV Test equipment for proof testing the medium voltage collector cable circuits and switchgear commonly used on Wind Farms.
The VLF .1Hz testing of Wind Farm power cable feeders and collector cable circuits per IEEE- 400.2 is a simple, cost effective, and conclusive quality assurance test method. It definitively proves out the integrity of the workmanship, cable insulation and its associated accessories such as splices and joints. High Voltage, Inc. also can supplement VLF withstand testing with Tan delta testing diagnostics via a Tan delta bridge used in conjunction with a VLF AC Hipot. By monitoring the tan delta readings of a cable circuit over time, one can determine if a particular cable is beginning to show insulation degradation.
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