TRANSCABLE Pothead and Underground HV Cable Monitor

The TRANSCABLE cable monitoring system is comprised of the ZVCM-1001 Bushing Monitor and 1006 Monitoring System.  The systems use permanent on-line Partial Discharge (PD) monitoring system for high-voltage cables with continuous cable terminations (Potheads).

Any problem location along the length of the cable system which produces PD is located with Time Domain Reflectometry (TDR).  This is done with two monitoring systems, one installed at each cable end and both are synchronized via GPS clock.  Synchronizing the time with GPS satellites provides precision in PD source location, in most cases to within one percent of the total cable length.

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