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Real-time wireless, contactless and coreless monitoring of the current distribution in substation conductors for fault diagnosis

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10.1109/JSEN.2018.2884566
 
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hdl:2117/128612

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Kadechkar, Akash
Riba Ruiz, Jordi-RogerMés informacióMés informacióMés informació
Moreno Eguilaz, Juan ManuelMés informacióMés informacióMés informació
Sanllehí Muñoz, Josep
Document typeArticle
Defense date2018-12-03
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
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Abstract
Parallel conductors are found in electrical transmission and distribution systems including large ampacity feeders or loads. However, current unbalance often occurs, especially in alternating current systems. This non-regular current distribution causes overheating and premature ageing, facilitating the occurrence of failures. Therefore, a fault diagnosis system is a must, which can be performed by monitoring in real-time the individual currents flowing through the conductors. In this paper a setup including three parallel aluminum conductors of large cross section, a spacer and two terminal substation connectors is analyzed. A real-time, wireless, coreless and contactless system based on three low cost Hall effect sensors is proposed, which is also easy to install. Experimental results, which include fourteen cases, comprising thirteen fault modes and a well installed set, prove the suitability and potential of the proposed approach, since it allows a correct real-time detection of all analyzed faulty conditions as well as the detection of currents exceeding the thermal rating of the conductors.
CitationKadechkar, A. [et al.]. Real-time wireless, contactless and coreless monitoring of the current distribution in substation conductors for fault diagnosis. "IEEE sensors journal", 3 Desembre 2018, vol. 19, núm. 5, p. 1693-1700. 
URIhttp://hdl.handle.net/2117/128612
DOI10.1109/JSEN.2018.2884566
ISSN1530-437X
Publisher versionhttps://ieeexplore.ieee.org/document/8556044
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  • MCIA - Motion Control and Industrial Applications Research Group - Articles de revista [219]
  • Departament d'Enginyeria Electrònica - Articles de revista [1.664]
  • Departament d'Enginyeria Elèctrica - Articles de revista [817]
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