Portable Cable Partial Discharge Monitor (QCM-C-PDP)

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QCM-C-PDP_Portable_partial_discharge_monitor_for_cables.jpg
QCM-C-PDP_system_components_small.jpg

Portable Cable Partial Discharge Monitor (QCM-C-PDP)

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The QCM-C-PDP portable system can be used to measure partial discharges in power cables and terminations boxes of metal clad switchgear, rotating machines and transformers. PD can be localized within 0.2% to 1% of the cable length. The QCM-C-PDP can be applied to measure PD on-line on cables and their termination boxes while the system is energized. There is no need to de-energize the cables if certain requirements are met.

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Features

  • Highly accurate periodic PD survey of HV/MV power cables eliminates risk of unplanned outages
  • Precise PD localization (within 0.2% to 1% of cable length) minimizes maintenance expenditure
  • Accurate categorization of different activities captured by system
  • Robust and rugged design to maximize portable operation life and support inspections / testing for extended period of time
  • Advanced de-noising and filtering help to remove background noise efficiently
  • On-line and non-intrusive PD measurement

Options

  • pC calibrator
  • Transponder (needed when cable lengths are greater than 5 km)
  • HFCTs (High Frequency Current Transformers) (set of 2)
  • Coaxial cables
  • In-house developed sensors: HFCT (High Frequency Current Transformer) and TEV (Transient Earth Voltage)

Applications

The QCM-C-PDP cable online PD measurement system can be successfully used for measuring partial discharge in cables with confidence. Used for low-cost, high performance periodic online and offline PD testing on HV insulating system of power cables and their terminations in transmission installations, power plants and large industrial consumers. The information gained may be used for condition based maintenance decisions.