Three wire, three phase, heating cable and system

Details Three wire, three phase, heating cable and system Three wire, three phase, heating cable and system

H - Electricity

05

B

H05B 3/40 (2006.01) H05B 3/56 (2006.01)

Patent

CA 2192875

An electrical three-phase heating cable and system that produces a reduced magnetic field and which uses a cable containing three insulated copper wires, or equivalents, as heating elements. The wires are equidistantly spaced from each other, in triangular configuration, the geometric center of the triangle coinciding with the longitudinal axis of the cable. The wires are twisted in a uniform fashion along the longitudinal axis of the cable. Its low operating temperature, robustness and safety enable the system to be installed, for example, in floors and walls for the general heating of buildings, and in outdoor pavements, for snow-melting purposes, etc. The feeder conductors are also twisted to reduce the magnetic field around the feeder.

Câble électrique chauffant triphasé et système produisant un champ magnétique réduit, le câble utilisant comme éléments chauffants trois fils de cuivre isolés, ou l'équivalent. Les fils sont équidistants et configurés en un triangle dont le centre géométrique coïncide avec l'axe longitudinal du câble. Ils sont torsadés de façon uniforme le long de l'axe longitudinal du câble. La faible température de fonctionnement du système, sa robustesse et sa sûreté permettent de l'installer, par exemple, dans des planchers et des murs pour le chauffage général d'immeubles, et dans des revêtements de sol extérieurs, pour faire fondre la neige, par exemple. Les conducteurs de l'artère d'alimentation sont également torsadés afin de réduire le champ magnétique autour de l'artère.

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