On-Site Testing and Diagnosis of Transmission Power Cables up to 230kV Using Damped AC Voltages
[ 1 ] Instytut Elektroenergetyki, Wydział Elektryczny, Politechnika Poznańska | [ P ] pracownik
2014
artykuł naukowy
angielski
- transmission power cable
- after-laying testing
- maintenance
- damped AC voltage
- partial discharge detection
- dielectric dissipation factor
- condition assessment
- asset management
EN Failures of the insulation of HV power cables can occur during operation at normal voltage or as a result of a transient voltage spike due to lightning or switching. Failures may occur if localized electrical stresses exceed the dielectric strength of the insulation or if the insulation is degraded to the point that it cannot withstand the applied voltage.
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