Damped AC cable test system
Exhibitor
ohv diagnostic GmbH
A class of compact, lightweight, and versatile DAC MV and HV cable test systems featuring withstand voltage test, PD analysis and PD localization
The Damped Alternating Current (DAC) M30, M40, M60, H200 and H300 by ohv diagnostic is an exceptionally compact, lightweight, and versatile class of systems for testing and diagnosis of medium and high voltage transmission cables. They are programmable and feature automatic withstand voltage test, partial discharge (PD) measurement and analysis as well as PD localisation. Control and analysis are user-friendly using the OHV Suite which is the common software platform for the complete range of ohv diagnostic products. As additional feature also a cable sheath test can be performed.
DAC cable testing is not only a basic “good or bad” measurement tool but an advanced analysis and diagnosis concept. It allows to assess the cable insulation condition of newly installed, repaired or service-aged cable systems and thus supports asset management. The measuring mode includes
- Voltage withstand test at voltage level representing operational stress and above as well as
- Partial discharge measurement, analysis, and location along complete cable systems.
DAC voltage test and PD analysis allow reliable detection of
- Insulation deficiencies caused by installation or laying,
- Deficiencies of the cable accessories, i.e. joints and terminations
- Cable insulation deterioration due to aging processes.

MV Cable diagnostics is easier when using M30/M40/M60 from ohv diagnostic. Provides a quick and reliable assessment and PD defect localization. Bad joints, splices, water ingress are identified with great ease. And that too without destructive voltage..!!