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Optical system for diagnostic of medium voltage distribution network

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Optical system for diagnostic of medium voltage distribution network

Letizia De Maria*, Serragli Paolo*, Rizzi Giuseppe* AISEM 2008 – 13th Italian Conference Sensors and Microsystems Roma, 19-21 Febbraio 2008 * CESI RICERCA This paper describes an innovative pre-discharges detection system, developed to improve distribution network reliability. The assembled system includes optical sensors, based on different detection principle able to measure with high sensitivity the induced effects of pre-discharge phenomena, such as ignition of light, production of acoustic noise. Preliminary tests performed in a laboratory mock-up simulating pre-discharge phenomena arising during real operating condition confirmed the feasibility of the proposed approach. The obtained results are discussed in comparison with data simultaneously acquired with the standard partial discharge method.

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