Apparatus for monitoring overhead electric lines

Details Apparatus for monitoring overhead electric lines Apparatus for monitoring overhead electric lines

G - Physics

01

B

G01B 7/02 (2006.01) G01B 11/02 (2006.01) G01B 21/32 (2006.01) G01K 5/50 (2006.01) G01K 5/52 (2006.01)

Patent

CA 2191889

Apparatus for monitoring overhead electric lines being suspended in the form of conductors (3) extending between poles or masts (1, 2), in particular for detecting an inadmissible high temperature in a conductor (3) under electric load, whereby the sag (H) of the conductor is determined by employing a sensor device (7). The sensor device (7) is sensitive to electromagnetic or acoustic waves, the propagation or pattern of which is adapted to be influenced by elongation of the conductor (3) under load and thereby an increased sag (H).

Appareil pour le contrôle de lignes électriques aériennes suspendues sous forme de conducteurs (3) tendus entre des poteaux ou mâts (1, 2). L'appareil sert notamment à détecter une température trop élevée dans un conducteur (3) sous charge électrique, par détermination de la flèche (H) du conducteur à l'aide d'un dispositif capteur (7). Le dispositif capteur (7) est sensible aux ondes électromagnétiques ou acoustiques dont la propagation ou la configuration est influencée par l'allongement du conducteur (3) sous charge, ce qui entraîne une augmentation de la flèche (H).

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