publication . Conference object . 2014

Structural health monitoring of high voltage electrical switch ceramic insulators in seismic areas

REBILLAT, Marc; Barthes, Clement B.; MECHBAL, Nazih; Mosalam, Khalid M.;
Open Access English
  • Published: 08 Jul 2014
  • Publisher: HAL CCSD
Abstract
International audience; High voltage electrical switches are crucial components to restart rapidly the electrical network right after an earthquake. But there currently exists no automatic procedure to check if these ceramic insulators have suffered after an earthquake, and there exists no method to recertify a given switch. To deploy a vibration-based structural health monitoring method on ceramic insulators a large shake table able to generate accelerations up to 3 g was used. The idea underlying the SHM procedure proposed here is to monitor the apparition of cracks in the ceramic insulators at their early stage through the change of the resonant frequency of ...
Subjects
free text keywords: [SPI.MECA.MSMECA]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Materials and structures in mechanics [physics.class-ph], nonlinear approach, Electronique [Sciences de l'ingénieur], Structural health monitoring, [PHYS.MECA.MSMECA]Physics [physics]/Mechanics [physics]/Materials and structures in mechanics [physics.class-ph], [PHYS.MECA.STRU]Physics [physics]/Mechanics [physics]/Mechanics of the structures [physics.class-ph], [SPI.MECA.VIBR]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Vibrations [physics.class-ph], [PHYS.MECA.VIBR]Physics [physics]/Mechanics [physics]/Vibrations [physics.class-ph], [SPI.TRON]Engineering Sciences [physics]/Electronics, [SPI.MECA.STRU]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of the structures [physics.class-ph], ceramic materials, Mécanique: Mécanique des structures [Sciences de l'ingénieur], Mécanique: Matériaux et structures en mécanique [Sciences de l'ingénieur], Mécanique: Vibrations [Sciences de l'ingénieur]

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publication . Conference object . 2014

Structural health monitoring of high voltage electrical switch ceramic insulators in seismic areas

REBILLAT, Marc; Barthes, Clement B.; MECHBAL, Nazih; Mosalam, Khalid M.;