Title :
Comparison of restriking cable-earthfaults in isolated and compensated networks
Author :
Druml, Gernot ; Raunig, Christian ; Schegner, Peter ; Fickert, Lothar
Author_Institution :
Trench Austria GmbH, Leonding, Austria
Abstract :
The results of field tests have shown, that the behaviour of the restriking earthfault in a cable is complete different in isolated and compensated networks. This paper will present these differences in detail and point out the influence to the corresponding earthfault detection methods and the corresponding neutral point treatment. Due to the different behaviour, there are new possibilities to reduce the current via the fault location. One of these new concepts will also be presented in this paper.
Keywords :
earthing; fault location; power cable testing; cable earthfaults; compensated networks; earthfault detection methods; isolated networks; Discharges (electric); Earth; Fault location; Impedance; Substations; Transient analysis; Voltage measurement; earth fault location; neutral point treatment; restriking earthfault;
Conference_Titel :
Electric Power Quality and Supply Reliability Conference (PQ), 2014
Conference_Location :
Rakvere
Print_ISBN :
978-1-4799-5020-1
DOI :
10.1109/PQ.2014.6866788
