PROJECT TITLE :
On-line partial discharge source location in single-core cables with multi sheath-ground connections
This paper presents an on-line methodology for location of single partial discharge (PD) supply on a cable network with multi sheath-ground connections. The most approach relies on comparing those transient parts of currents passing through any 2 adjacent sheath-ground connections that relate to each different only by parameters of in-between cable. The proposed technique is a lot of reliable than the methods based on wave arrival time (ATA), thanks to processing on additional than single points of the 2 thought-about PD pulses, that is the idea of ATA strategies. This approach is then utilized in discrimination between internal and external PD sources on a cable section and also location of an indoor PD supply on defected cable section. Comprehensive and simple tips for applying the proposed algorithm in any on-line applications are given. The proposed algorithm has shown accurate simulation results for numerous PD supply characteristics, cable properties, and PD supply locations even with additive noise on reference signals.
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