PD Detection in Extruded Power Cables: An Approximate Propagation Model.
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| Title: | PD Detection in Extruded Power Cables: An Approximate Propagation Model. |
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| Authors: | Tozzi, M.1, Cavallini, A.1, Montanari, G. C.1, Burbui, G. L. Giuliattini2 |
| Source: | IEEE Transactions on Dielectrics & Electrical Insulation. Jun2008, Vol. 15 Issue 3, p832-840. 9p. 1 Chart, 15 Graphs. |
| Subjects: | Cables, Electric discharges, Bandwidths, Broadband communication systems, Detectors, Signal-to-noise ratio |
| Abstract: | In order to improve partial discharge (PD) detection and location in extruded power cables, Ultra-Wide Bandwidth detectors (UWB) can be preferred to wide- and narrow- band systems. As UWB systems aim to get the broadest frequency content in PD pulses, it is important to evaluate the frequency attenuation as a function of distance propagated of the cable under test, trying to achieve optimum signal-to-noise ratio (SNR) and large detection sensitivity. Some conventional techniques able to calculate attenuation and dispersion of PD pulses are considered and a fast approximate model is developed in this paper, trying to provide a simple tool to estimate the maximum PD detection length in polymeric cable, in relation to bandwidth measurement system and required sensitivity. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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