Online transient measurements of EHV cable system and model validation

Fani Barakou (Corresponding author), Peter Wouters, Shima Mousavi-Gargari, Jan P.W. de Jong, Fred Steennis

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)
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The increasing utilization of HVAC underground power cables gives rise to technical challenges related to the occurrence of electromagnetic transients. This paper discusses measurements with sensors based on open air capacitances sensing the electric fields from the line having a wide frequency bandwidth and excellent electromagnetic compatibility performance. However, since the sensors are open air capacitors, they also intercept field lines from other phases and measurement decoupling is necessary. Results from measurements, using the differentiating/Integrating technique, at a 380 kV mixed overhead line underground power cable connection obtained at a transition point and at a substation are presented and compared with PSCAD/EMTDC simulations. The measurement system gives accurate results for low and high frequency transients, while the effect of uncertainties in the decoupling is minor. For switching transients, the simulation model was validated in terms of measured and simulated voltage waveforms resulting in similar maximum overvoltage and frequency content.

Original languageEnglish
Article number8492437
Pages (from-to)532-541
Number of pages10
JournalIEEE Transactions on Power Delivery
Issue number2
Publication statusPublished - 1 Apr 2019


  • air-capacitive sensors
  • condition monitoring
  • Current measurement
  • high-voltage techniques
  • Phase measurement
  • Power cables
  • power cables
  • power system simulation
  • Power system transients
  • power system transients
  • Power transmission
  • Sensors
  • Transmission line measurements
  • Voltage measurement


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