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File:Single-circuit pylon 70 kV Opwijk BE 2016.jpg

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English: Asymmetrical single-circuit pylon of the 70 kV power line from Merchtem to Essene in Opwijk (Belgium). The dutch/flemish name Driehoeksmast (triangular pylon) comes from the triangular shape in which the circuit hangs. In Belgium this type of pylon is widely used in light connections where no second circuit is planned: these single-circuit pylons are economically and technically a better solution than the stronger but more expensive three-level pylon. The triangular configuration also has electrical advantages: the conductors are hanging in a triangle shape in good circular symmetry relative to each other, so induction forces are equally distributed whereby efficiency of the power line increases, especially if phases are changed so that the induction effect of the earth on all three phases is evenly distributed.
Nederlands: Driehoeksmast op de 70 kV lijn van Merchtem naar Essene; Opwijk, België. De driehoeksmast is zo genoemd naar de driehoeksvorm waarin het circuit hangt. In België worden dit type mast veel gebruikt in lichte verbindingen waarvoor geen tweede circuit gepland is. Een driehoeksmast is dan economisch en constructietechnisch een betere oplossing dan een sterkere maar duurdere drievlaksmast. De driehoeksconfiguratie heeft ook elektrotechnische voordelen: de geleiders bevinden zich in een driehoeksvorm. Net zoals bij een tonmast hangen de geleiders cirkelsymmetrisch ten opzichte van elkaar zodat ze alle drie dezelfde inductiekrachten van elkaar te verwerken krijgen. Het rendement van de verbinding neemt daardoor toe, zeker als er ook fase gewisseld wordt zodat ook het inductie-effect van de aarde over alle drie de fasen verdeeld wordt.
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Source Driehoeksmast (single circuit tower)
Author Luc.T
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Attribution: Luc.T
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This image was originally posted to Flickr by Luc.T at https://flickr.com/photos/65015316@N07/26834776862. It was reviewed on 29 September 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.
29 September 2017
Camera location50° 57′ 27.91″ N, 4° 12′ 36.45″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current01:08, 29 September 2017Thumbnail for version as of 01:08, 29 September 20172,674 × 3,567 (4.77 MB)Te750iv (talk | contribs){{Information |Description={{en|1=Asymmetrical single-circuit pylon of the 70 kV power line from Merchtem to Essene in Opwijk (Belgium). The dutch/flemish name ''Driehoeksmast'' (triangular pylon) comes from the triangular shape in which the circuit ha...

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