Damped AC – for MV Cable


Overview

  • • Generates power frequency AC voltage which helps create voltage stresses similar to operating voltage stresses.
  • • Creates more realistic behaviours of defect in the polymeric insulation of cables
  • • Voltage steps from 0.2xU0 to 1.5xU0 for MV cables upto 33KV
  • • Simultaneous measurement of Partial Discharge and Tan Delta estimation
  • • Single box design containing power supply, control system and measurement unit.
  • • Fully controlled via laptop computer.
  • • Can test upto 15 km long cables.
  • • Built–in TDR with every unit.
  • • Option of VLF-CR available to meet different needs of the user.
  • • Automatic fault location mode for longer cables.
  • • Portability for on-site application.
  • • Useful for maintenance and acceptance tests.
  • • Typical voltage rating of device available is 30KV, 40KV, 60KV for medium voltage cables





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