Pole-to-ground faults in HVDC transmission systems with Voltage Source Converters may cause Long Temporary Over-Voltages on the healthy pole of the configuration. This work aims at a preliminary experimental evaluation of the effect caused by the repetitive application of such Long TOVs on the XLPE insulation for HVDC cables. This paper also studies the changes in the dielectric relaxation properties, with their proposed mechanism, of 0.15 mm-thick XLPE sheets after being subjected to different levels of electrical aging due to TOVs.

Mazzanti, G., Seri, P., Diban, B., Stagni, S. (2020). Preliminary Experimental Investigation of the Effect of Long Temporary Overvoltages on the Reliability of HVDC Extruded Cables. Piscataway, New Jersey : IEEE [10.1109/ICD46958.2020.9341916].

Preliminary Experimental Investigation of the Effect of Long Temporary Overvoltages on the Reliability of HVDC Extruded Cables

Mazzanti, G.
;
Seri, P.;Diban, B.;
2020

Abstract

Pole-to-ground faults in HVDC transmission systems with Voltage Source Converters may cause Long Temporary Over-Voltages on the healthy pole of the configuration. This work aims at a preliminary experimental evaluation of the effect caused by the repetitive application of such Long TOVs on the XLPE insulation for HVDC cables. This paper also studies the changes in the dielectric relaxation properties, with their proposed mechanism, of 0.15 mm-thick XLPE sheets after being subjected to different levels of electrical aging due to TOVs.
2020
Proceedings of 2020 3rd IEEE International Conference on Dielectrics (IEEE ICD 2020)
49
52
Mazzanti, G., Seri, P., Diban, B., Stagni, S. (2020). Preliminary Experimental Investigation of the Effect of Long Temporary Overvoltages on the Reliability of HVDC Extruded Cables. Piscataway, New Jersey : IEEE [10.1109/ICD46958.2020.9341916].
Mazzanti, G.; Seri, P.; Diban, B.; Stagni, S.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/797077
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