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

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

1 Citaat (Scopus)

Uittreksel

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 the 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 give 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.

TaalEngels
Pagina's532-541
TijdschriftIEEE Transactions on Power Delivery
Volume34
Nummer van het tijdschrift2
DOI's
StatusGepubliceerd - 1 apr 2019

Vingerafdruk

Cables
Overhead lines
Sensors
Electromagnetic compatibility
Air
Capacitors
Capacitance
Electric fields
Bandwidth
Electric potential

Trefwoorden

    Citeer dit

    Barakou, Fani ; Wouters, Peter ; Mousavi-Gargari, Shima ; de Jong, Jan P.W. ; Steennis, Fred. / Online transient measurements of EHV cable system and model validation. In: IEEE Transactions on Power Delivery. 2019 ; Vol. 34, Nr. 2. blz. 532-541
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    title = "Online transient measurements of EHV cable system and model validation",
    abstract = "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 the 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 give 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.",
    keywords = "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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    Online transient measurements of EHV cable system and model validation. / Barakou, Fani (Corresponding author); Wouters, Peter; Mousavi-Gargari, Shima; de Jong, Jan P.W.; Steennis, Fred.

    In: IEEE Transactions on Power Delivery, Vol. 34, Nr. 2, 01.04.2019, blz. 532-541.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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