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Proceedings Paper

Brush wear and dust accumulation fiber-optic sensor system for synchronous compensators online monitoring
Author(s): Claudio Floridia; Livia R. Alves; Fábio R. Bassan; Antonio A. Juriollo; Flávio Borin; Afonso Rafael Cunha Souza
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Paper Abstract

An electro-optical sensor system for monitoring synchronous compensators in the electrical distribution network is presented. The fiber-optic sensor system is based on two main technologies: optical bend loss sensors for monitoring the brush wear and, free-space optics to determine the dust accumulation from brush wear. Both techniques are characterized to monitor the parameters by means of simple optical power readings. In order to avoid optical power fluctuations in the fiber optics link from interrogation system to the synchronous compensators, bend-loss insensitive fibers are used. The low-cost interrogation system consists on one laser, optical splitters and 80 photodetectors to independently monitor each one of the synchronous compensators’s brushes. This setup ensures an ease installation and avoid cascaded fault that a serial configuration could originates, thus increasing reliability of the sensor system.

Paper Details

Date Published: 19 April 2013
PDF: 6 pages
Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 86924A (19 April 2013); doi: 10.1117/12.2009021
Show Author Affiliations
Claudio Floridia, CpqD Foundation (Brazil)
Livia R. Alves, CpqD Foundation (Brazil)
Fábio R. Bassan, CpqD Foundation (Brazil)
Antonio A. Juriollo, CpqD Foundation (Brazil)
Flávio Borin, CpqD Foundation (Brazil)
Afonso Rafael Cunha Souza, Centrais Elétricas do Norte do Brasil S.A. (Brazil)

Published in SPIE Proceedings Vol. 8692:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013
Jerome Peter Lynch; Chung-Bang Yun; Kon-Well Wang, Editor(s)

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